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Sunset
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For other uses, see Sunset (disambiguation).
Not to be confused with Sunrise, Evening, or Dusk.
The Sun, about a minute before sunset, Portugal, October 2007
Sunset or sundown is the daily disappearance of the Sun below the horizon as a result of Earth's rotation. The Sun will set exactly due west at the equator on the spring and fall equinoxes, each of which occurs only once a year.
Subcategories of twilight
The time of sunset is defined in astronomy as the moment when the trailing edge of the Sun's disk disappears below the horizon. Near to the horizon, atmospheric refraction causes the ray path of light from the Sun to be distorted to such an extent that geometrically the Sun's disk is already about one diameter below the horizon when a sunset is observed.
Sunset is distinct from twilight, which has three phases, the first being civil twilight, which begins once the Sun has disappeared below the horizon, and continues until it descends to 6 degrees below the horizon; the second phase is nautical twilight, between 6 and 12 degrees below the horizon; and the third is astronomical twilight, which is the period when the Sun is between 12 and 18 degrees below the horizon.[1] Dusk is at the very end of astronomical twilight, and is the darkest moment of twilight just before night.[2] Night occurs when the Sun reaches 18 degrees below the horizon and no longer illuminates the sky.
Locations north of the Arctic Circle and south of the Antarctic Circle experience no sunset or sunrise on at least one day of the year, when the polar day or the polar night persists continuously for 24 hours.
Sunset creates unique atmospheric conditions such as the often intense orange and red colors of the Sun and the surrounding sky.
Contents
[hide]
1 Occurrence
2 Colors
3 Names of compass points
4 Historical view
5 Planets
5.1 Mars
6 Gallery
7 See also
8 References
9 External links
Occurrence[edit]
See also: Analemma
The spinning Earth lit by the Sun as seen from far above the North Pole. All along the terminator, the rays from the sun hit Earth horizontally, neglecting any atmospheric effects and Earth's orbital motion.
The full cycle of a sunset on the High Plains of the Mojave Desert.
The time of sunset varies throughout the year, and is determined by the viewer's position on Earth, specified by longitude and latitude, and elevation. Small daily changes and noticeable semi-annual changes in the timing of sunsets are driven by the axial tilt of Earth, daily rotation of the Earth, the planet's movement in its annual elliptical orbit around the Sun, and the Earth and Moon's paired revolutions around each other. During winter and spring, the days get longer and sunsets occur later every day until the day of the latest sunset, which occurs after the summer solstice. In the Northern Hemisphere, the latest sunset occurs late in June or in early July, but not on the summer solstice of June 21. This date depends on the viewer's latitude (connected with the Earth's slower movement around the aphelion around July 4). Likewise, the earliest sunset does not occur on the winter solstice, but rather about two weeks earlier, again depending on the viewer's latitude. In the Northern Hemisphere, it occurs in early December or late November (influenced by the Earth's faster movement near its perihelion, which occurs around January 3).
Likewise, the same phenomenon exists in the Southern Hemisphere, but with the respective dates reversed, with the earliest sunsets occurring some time before June 21 in winter, and latest sunsets occurring some time after December 21 in summer, again depending on one's southern latitude. For a few weeks surrounding both solstices, both sunrise and sunset get slightly later each day. Even on the equator, sunrise and sunset shift several minutes back and forth through the year, along with solar noon. These effects are plotted by an analemma.[3][4]
Neglecting atmospheric refraction and the Sun's non-zero size, whenever and wherever sunset occurs, it is always in the northwest quadrant from the March equinox to the September equinox, and in the southwest quadrant from the September equinox to the March equinox. Sunsets occur almost exactly due west on the equinoxes for all viewers on Earth. Exact calculations of the azimuths of sunset on other dates are complex, but they can be estimated with reasonable accuracy by using the analemma.
As sunrise and sunset are calculated from the leading and trailing edges of the Sun, respectively, and not the center, the duration of a daytime is slightly longer than nighttime (by about 10 minutes, as seen from temperate latitudes). Further, because the light from the Sun is refracted as it passes through the Earth's atmosphere, the Sun is still visible after it is geometrically below the horizon. Refraction also affects the apparent shape of the Sun when it is very close to the horizon. It makes things appear higher in the sky than they really are. Light from the bottom edge of the Sun's disk is refracted more than light from the top, since refraction increases as the angle of elevation decreases. This raises the apparent position of the bottom edge more than the top, reducing the apparent height of the solar disk. Its width is unaltered, so the disk appears wider than it is high. (In reality, the Sun is almost exactly spherical.) The Sun also appears larger on the horizon, an optical illusion, similar to the moon illusion.
Locations north of the Arctic Circle and south of the Antarctic Circle experience no sunset or sunrise at least one day of the year, when the polar day or the polar night persist continuously for 24 hours.
Colors[edit]
Evening twilight in Joshua Tree, California, USA displaying the separation of yellow colors in the direction from the Sun below the horizon to the observer, and the blue components scattered from the surrounding sky
As a ray of white sunlight travels through the atmosphere to an observer, some of the colors are scattered out of the beam by air molecules and airborne particles, changing the final color of the beam the viewer sees. Because the shorter wavelength components, such as blue and green, scatter more strongly, these colors are preferentially removed from the beam.[5] At sunrise and sunset, when the path through the atmosphere is longer, the blue and green components are removed almost completely, leaving the longer wavelength orange and red hues we see at those times. The remaining reddened sunlight can then be scattered by cloud droplets and other relatively large particles to light up the horizon red and orange.[6] The removal of the shorter wavelengths of light is due to Rayleigh scattering by air molecules and particles much smaller than the wavelength of visible light (less than 50 nm in diameter).[7][8] The scattering by cloud droplets and other particles with diameters comparable to or larger than the sunlight's wavelengths (> 600 nm) is due to Mie scattering and is not strongly wavelength-dependent. Mie scattering is responsible for the light scattered by clouds, and also for the daytime halo of white light around the Sun (forward scattering of white light).[9][10][11] Sunset colors are typically more brilliant than sunrise colors, because the evening air contains more particles than morning air.[5][6][8][11]
Ash from volcanic eruptions, trapped within the troposphere, tends to mute sunset and sunrise colors, while volcanic ejecta that is instead lofted into the stratosphere (as thin clouds of tiny sulfuric acid droplets), can yield beautiful post-sunset colors called afterglows and pre-sunrise glows. A number of eruptions, including those of Mount Pinatubo in 1991 and Krakatoa in 1883, have produced sufficiently high stratospheric sulfuric acid clouds to yield remarkable sunset afterglows (and pre-sunrise glows) around the world. The high altitude clouds serve to reflect strongly reddened sunlight still striking the stratosphere after sunset, down to the surface. Sometimes just before sunrise or after sunset a green flash can be seen.[12]
Illuminated downdraft wind shear clouds in the eastern sky near dusk mimic aurora borealis in the Mojave Desert
Some of the most varied colors at sunset can be found in the opposite or eastern sky after the Sun has set during twilight. Depending on weather conditions and the types of clouds present, these colors have a wide spectrum, and can produce unusual results.
Names of compass points[edit]
In some languages, points of the compass bear names etymologically derived from words for sunrise and sunset. The English words "orient" and "occident", meaning "east" and "west", respectively, are descended from Latin words meaning "sunrise" and "sunset". The word "levant", related e.g. to French "(se) lever" meaning "lift" or "rise" (and also to English "elevate"), is also used to describe the east. In Polish, the word for east wschód (vskhud), is derived from the morpheme "ws" – meaning "up", and "chód" – signifying "move" (from the verb chodzić – meaning "walk, move"), due to the act of the Sun coming up from behind the horizon. The Polish word for west, zachód (zakhud), is similar but with the word "za" at the start, meaning "behind", from the act of the Sun going behind the horizon. In Russian, the word for west, запад (zapad), is derived from the words за – meaning "behind", and пад – signifying "fall" (from the verb падать – padat'), due to the act of the Sun falling behind the horizon. In Hebrew, the word for east is 'מזרח', which derives from the word for rising, and the word for west is 'מערב', which derives from the word for setting.
Historical view[edit]
The 16th-century astronomer Nicolaus Copernicus was the first to present to the world a detailed and eventually widely accepted mathematical model supporting the premise that the Earth is moving and the Sun actually stays still, despite the impression from our point of view of a moving Sun.[13]
Planets[edit]
Sunset on Mars
Sunsets on other planets appear different because of differences in the distance of the planet from the Sun and non-existent or differing atmospheric compositions.
Mars[edit]
On Mars, the setting Sun appears about two-thirds the size it appears on Earth[14] because of its greater distance from the Sun, but at least some Martian sunsets last significantly longer and appear far redder than is typical on Earth.[15]
The reasons for the colors of the Martian sunset are different to the processes occurring on Earth. Mars has a thin atmosphere, lacking oxygen and nitrogen, so the light scattering is not dominated by a Rayleigh Scattering process. Instead the air is full of red dust which is hoisted into the atmosphere from the ground by high speed winds [15] so its sky color is mainly determined by a Mie Scattering process. One study also reported that Martian dust high up in the atmosphere can reflect sunlight up to two hours after the sun has set, casting a diffuse glow across the land.[15]
Gallery[edit]
Just after sunset, Woodlands, Singapore
Sunset in Brela, Croatia
Fiji
A red sunset near Swifts Creek, Australia
Minutes before sunset near Gulf of Paria, Trinidad and Tobago
Silhouettes of fishermen during a sunset in Payallar, Alanya
Sunset in Fernando de Noronha Archipelago, Brazil
Sunset view of the Paranal Observatory, featuring two comets that were moving across the southern skies
The very beginning of sunset over the Mojave Desert during extreme haze due to fires in California in the summer of 2016
Twenty minutes before sunset in Ağva, Istanbul, 2017
See also[edit]
Afterglow
Analemma
Astronomy on Mars
Dawn
Daytime
Diffuse sky radiation
Dusk
Earth's shadow, visible at sunset
Golden hour
Sundown town
Sunrise
Sunrise equation
Twilight
References[edit]
Jump up ^ "Definitions from the US Astronomical Applications Dept (USNO)". Retrieved 2016-06-17.
Jump up ^ "Full definition of Dusk".
Jump up ^ Starry Night Times – January 2007 (explains why Sun appears to cross slow before early January)
Jump up ^ The analemma, elliptical orbit effect. 'July 3rd to October 2nd the sun continues to drift to the west until it reaches its maximum "offset" in the west. Then from October 2 until January 21, the sun drifts back toward the east'
^ Jump up to: a b K. Saha (2008). The Earth's Atmosphere – Its Physics and Dynamics. Springer. p. 107. ISBN 978-3-540-78426-5.
^ Jump up to: a b B. Guenther, ed. (2005). Encyclopedia of Modern Optics. Vol. 1. Elsevier. p. 186.
Jump up ^ "Hyperphysics, Georgia State University". Hyperphysics.phy-astr.gsu.edu. Retrieved 2012-04-07.
^ Jump up to: a b Craig Bohren (ed.), Selected Papers on Scattering in the Atmosphere, SPIE Optical Engineering Press, Bellingham, WA, 1989
Jump up ^ Corfidi, Stephen F. (February 2009). "The Colors of Twilight and Sunset". Norman, OK: NOAA/NWS Storm Prediction Center.
Jump up ^ "Atmospheric Aerosols: What Are They, and Why Are They So Important?". nasa.gov. August 1996.
^ Jump up to: a b E. Hecht (2002). Optics (4th ed.). Addison Wesley. p. 88. ISBN 0-321-18878-0.
Jump up ^ "Red Sunset, Green Flash".
Jump up ^ "The Earth Is the Center of the Universe: Top 10 Science Mistakes". Science.discovery.com. 2012-01-23. Retrieved 2012-04-07.
Jump up ^ "A Moment Frozen in Time". Jet Propulsion Laboratory. June 10, 2005. Retrieved September 7, 2011. This article incorporates text from this source, which is in the public domain.
^ Jump up to: a b c Nemiroff, R.; Bonnell, J., eds. (June 20, 2005). "Sunset Over Gusev Crater". Astronomy Picture of the Day. NASA. Retrieved September 6, 2011. This article incorporates text from this source, which is in the public domain.
External links[edit]
Wikiquote has quotations related to: Sunset
Look up sunset in Wiktionary, the free dictionary.
Wikimedia Commons has media related to Sunset.
Wikimedia Commons has media related to Sunset.
Full physical explanation in simple terms
The colors of twilight and sunset
Complete Sun and Moon Data for One Day by The United States Naval Observatory

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The Flash (season 4)
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The Flash (season 4)
Promotional poster
Starring
Grant Gustin
Candice Patton
Danielle Panabaker
Carlos Valdes
Keiynan Lonsdale
Neil Sandilands
Tom Cavanagh
Jesse L. Martin
Country of origin
United States
No. of episodes
5
Release
Original network
The CW
Original release
October 10, 2017 (2017-10-10) – present (present)
Season chronology
← Previous
Season 3
List of The Flash episodes
The fourth season of the American television series The Flash, which is based on the DC Comics character Barry Allen / Flash, follows a crime scene investigator with superhuman speed who fights criminals, including others who have also gained superhuman abilities. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow. The season is produced by Berlanti Productions, Warner Bros. Television, and DC Entertainment, with Andrew Kreisberg and Todd Helbing serving as showrunners.
The season was ordered in January 2017, and filming began that July. Grant Gustin stars as Barry, with principal cast members Candice Patton, Danielle Panabaker, Carlos Valdes, Keiynan Lonsdale, Tom Cavanagh, and Jesse L. Martin also returning from previous seasons, and are joined by Neil Sandilands.
The fourth season began airing on October 10, 2017, on The CW.
Contents
[hide]
1 Episodes
2 Cast and characters
2.1 Main
2.2 Recurring
2.3 Guest
3 Production
3.1 Development
3.2 Writing
3.3 Casting
3.4 Filming
3.5 Music
3.6 Arrowverse tie-ins
4 Release
4.1 Broadcast
4.2 Marketing
5 Reception
5.1 Ratings
5.2 Critical response
5.3 Accolades
6 References
7 External links
Episodes[edit]
See also: List of The Flash episodes
No.
overall
No. in
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Title
Directed by
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70
1 "The Flash Reborn" Glen Winter Story by : Andrew Kreisberg
Teleplay by : Todd Helbing & Eric Wallace October 10, 2017 (2017-10-10) T27.13401 2.84[1]
Iris has been aiding Team Flash in Central City for six months, but refusing to grieve Barry. A flying Samurai with superpowers appears in Central City, threatening to destroy the city if the real Flash does not face him. Cisco reveals he has formulated a way to bring back Barry without destabilizing the Speed Force, and tracks down Caitlin for help. Against Iris' direction, Team Flash successfully returns Barry, who appears rambling random statements and continually writing symbols on walls. Wally engages the Samurai, but is defeated. Cisco deciphers Barry's writings and finds an apparently meaningless sentence. In an attempt to recover Barry's memories, Iris gives herself up to the Samurai. The plan works and Barry speeds away, rescuing Iris and defeating the Samurai, who is revealed to be a robot. Caitlin rejoins Team Flash, but is revealed to have been working for a mobster called Amunet at the bar, while also continuing to prevent the Killer Frost personality from emerging. The "Samuroid" is revealed to have been controlled by the Thinker, whose plan was to draw out the Flash for his next schemes.
71
2 "Mixed Signals" Alexandra La Roche Jonathan Butler & Gabriel Garza October 17, 2017 (2017-10-17) T27.13402 2.54[2]
When Barry, Joe, and Cisco report to a crime scene, they discover remnants of a mysterious code. Cisco presents Barry with a technologically advanced suit, intended to facilitate his activities. He tests it out, trying to save someone from a haywire car, caused by metahuman Ramsey Deacon. Gypsy arrives on Earth-1 for a date with Cisco, who is forced to cancel it so as to focus on Deacon. Acting on a suggestion from Caitlin, Iris signs her and Barry up for couples therapy to sort out their relationship. Deacon kidnaps a witness, who was previously a member of a tech team who sold him out of his idea. Barry and Wally go to save him, but Deacon uses his abilities to send Barry's suit haywire. On Iris's instructions, Barry throws lightning at himself, shorting out his suit. He then incapacitates Deacon, who is locked up in the meta wing of Iron Heights, revealed to be part of the Thinker's plan. Cisco finally goes out with Gypsy. Wondering how Deacon gained his powers being absent during the particle accelerator incident, Barry and Joe learn from Deacon that there are "others".
72
3 "Luck Be a Lady" Armen V. Kevorkian Sam Chalsen & Judalina Neira October 24, 2017 (2017-10-24) T27.13403 2.62[3]
In flashbacks, the Thinker observes Becky Sharpe, a woman with seemingly unending bad luck, and determines that she will be easily manipulated. In the present, Becky robs a bank, and gets away when Barry slips on marbles. Harry arrives from Earth-2, and tells Wally that Jesse has decided to break up in order to focus on her vigilantism. Cisco deduces that Becky is a metahuman with the power of favorable luck while inducing misfortune to others. Barry realizes that the portal he used to escape the Speed Force exposed an entire busload of people, including Becky and Deacon, to transformative dark matter. Harry informs Cisco that Jesse has expelled him from her crime-fighting team due to his attitude. Becky's powers expand out of control, reactivating the particle accelerator, which Harry deliberately allows, nullifying Becky's powers and leading to her incarceration. Cisco and Harry identify twelve new metahumans created on the bus, and the latter suspects that an unknown party has manipulated events surrounding Barry's return. Wally decides to leave on a journey to find himself. The Thinker is revealed to be spying on S.T.A.R. Labs through the "Samuroid" helmet. Joe learns Cecile is pregnant.
73
4 "Elongated Journey Into Night" Tom Cavanagh Sterling Gates & Thomas Pound October 31, 2017 (2017-10-31) T27.13404 1.99[4]
Gypsy's father, Breacher, attacks Cisco, vowing to hunt and kill him in 24 hours, allowing the romance should he survive. Team Flash learns that the bus driver was murdered and tracks down another passenger, Ralph Dibny, former corrupt CCPD detective exposed by Barry and currently an infamous private investigator. As two thugs attack Dibny, he is revealed to have the power to stretch. Caitlin stabilizes his powers with a serum. The team learns that Ralph has been blackmailing Mayor Bellows for adultery, with the latter revealed to have hired the thugs. Barry confronts Ralph for his actions while the latter scolds him, claiming to have been a "good cop". He later stops blackmailing Bellows, who still attempts to kill him while Breacher mistakes the former for a Plastoid, the species that invaded Earth-19 previously, and attacks him. Cisco intervenes and saves Ralph, whom Barry, having revealed his alter-ego, convinces to help arrest an escaping Bellows. Admiring Cisco's gallantry, Breacher allows the relationship. Barry recruits Ralph for Team Flash and learns that someone named DeVoe instructed Ralph to watch Bellows. Barry remembers that Abra Kadabra and Savitar both mentioned DeVoe. Meanwhile, Caitlin finds a message on her apartment door.
74
5 "Girls Night Out" Laura Belsey Lauren Certo & Kristen Kim November 7, 2017 (2017-11-07) T27.13405 2.38[5]
While failing to track Devoe, Team Flash is visited by Felicity, who joins Iris's bachelorette party. Mocking Cisco's plans for Barry's bachelor party, Ralph takes the men to a strip club, where they learn that Cecile's daughter, Joanie, is working. Joe confronts her, who states she is only doing feminist research. Ralph incites a brawl, leading to the men's arrest until Harry posts bail. Meanwhile, Amunet's enforcer, Norvock, demands Caitlin's return and attacks the women when she refuses. Killer Frost emerges and repels him, later telling Iris that Caitlin accepted Amunet's employment in exchange for the means to control Frost. Learning that Amunet is holding a metahuman she calls "The Weeper", whose tears are a strong narcotic, prisoner and intends to sell him, Iris's party decides to stop her. Though Caitlin refuses to join, she attacks Amunet when seeing her friends in danger. Using a strong magnet, the team robs Amunet's metal shards, leaving her powerless. Iris dissuades Frost from killing Amunet, who promises revenge. Both parties refuse to tell each other about their adventures. Iris asks Caitlin to be her maid of honor while Joe convinces Joanie to tell Cecile about her research. Devoe captures the Weeper.
75
6 "When Harry Met Harry..."[6] Brent Crowell Jonathan Butler & Gabriel Garza November 14, 2017 (2017-11-14) TBA TBD
76
7 "Therefore I Am"[7] David McWhirter Eric Wallace & Thomas Pound November 21, 2017 (2017-11-21) TBA TBD
77
8 "Crisis on Earth-X, Part 3"[8] Dermott Downs Story by : Andrew Kreisberg & Marc Guggenheim
Teleplay by : Todd Helbing November 28, 2017 (2017-11-28) TBA TBD
This episode continues a crossover event that will begin on Supergirl season 3 episode 8, followed by Arrow season 6 episode 8 and conclude on Legends of Tomorrow season 3 episode 8.
Kevin Smith will direct an episode of the season.[9]
Cast and characters[edit]
Main article: List of The Flash characters
Main[edit]
Grant Gustin as Barry Allen / Flash[10]
Candice Patton as Iris West[10]
Danielle Panabaker as Caitlin Snow / Killer Frost[11]
Carlos Valdes as Cisco Ramon / Vibe[10]
Keiynan Lonsdale as Wally West / Kid Flash[10]
Neil Sandilands as Clifford DeVoe / Thinker[12]
Tom Cavanagh as Harrison "Harry" Wells[10]
Jesse L. Martin as Joe West[10]
Recurring[edit]
Danielle Nicolet as Cecile Horton[13]
Kim Engelbrecht as Mechanic[12]
Jessica Camacho as Cynthia / Gypsy[14][15]
Richard Brooks as Gregory Wolfe[16]
Hartley Sawyer as Ralph Dibny / Elongated Man[17]
Katee Sackhoff as Amunet Black / Blacksmith[18]
Guest[edit]
Britne Oldford as Shawna Baez / Peek-a-Boo[19]
Patrick Sabongui as David Singh
Dominic Burgess as Ramsey Deacon / Kilg%re[20]
Donna Pescow as Sharon Finkle
Sugar Lyn Beard as Rebecca Sharpe / Hazard[21]
Violett Beane as Jesse Chambers Wells / Jesse Quick[22]
Danny Trejo as Josh / Breacher[12][15]
Emily Bett Rickards as Felicity Smoak[18]
Riley Jade Berglund as Joanie[23]
Wentworth Miller as Leonard Snart / Captain Cold[24]
Anne Dudek as Tracy Brand[25]
Production[edit]
Development[edit]
The series was renewed for a fourth season on January 8, 2017,[26] earlier than usual for the series. Executive producer Andrew Kreisberg said on this, "The great thing about our dear friends at The CW and Mark Pedowitz picking the shows up as early as they did has allowed us to start building the schedules for next season."[27] In May 2017, it was announced that Aaron Helbing would not return as an executive producer for season four, with only Greg Berlanti, Andrew Kreisberg, Sarah Schechter, and Todd Helbing returning from previous seasons.[28] Todd Helbing and Kreisberg were slated to serve as the season's showrunners.[29][30] In November 2017, Kreisberg was suspended from his role as executive producer and showrunner on The Flash over allegations of sexual harassment.[31][32]
Writing[edit]
The way I see it is, time is non-linear and everything is happening at once in the Speed Force. In some ways he's had an awakening and he's had a rebirth. Our first episode is called 'Reborn,' and it is a rebirth for Barry, but he's kind of scrambled, too, because he's experienced so much so quick over the course of six months, even though for him it was an eternity. He's not Barry when we see him for the first time.
—Grant Gustin on the rebirth of Barry in season four.[33]
In March 2017, Kreisberg confirmed that the main villain for the fourth season would not be a speedster, like the previous three seasons.[34] Executive producers Aaron and Todd Helbing also mentioned that there would be less time travel in the season, with Aaron saying, "We like playing with the timelines and the different time periods and future and past. For now, I think we’re going to focus on the present."[35] In June 2017, Clifford DeVoe / Thinker was reported to be the main antagonist of the season. He was first hinted in the third season episode "Abra Kadabra" when the titular villain mentions him among the Flash's greatest enemies, and again in the season finale "Finish Line" when Savitar mentions facing DeVoe but states that the Flash has not dealt with him yet.[36] At the series' San Diego Comic-Con panel, the speculation was confirmed, with Todd Helbing saying, "With three Speedsters in a row, this year it's the fastest man alive against the fastest mind alive."[13] He added that the writers were "making a conscious effort this year to get the fun quotient back up".[37]
Regarding the possibility of Wally West taking on the mantle of the Flash in Barry's absence, Keiynan Lonsdale said that "It's not something that's on my radar. I feel as though there is so much story to tell and Wally has so much growing to do... We need to see how these character realistically get to where they are headed for."[38] With the action picking up six months after season three, Kid Flash and Vibe are left to protect Central City, with Carlos Valdes saying "the team is sort of clutching at straws to keep the city together,... there is a unanimous feeling amongst the remaining members that it's just not the same without Barry... So in light of that, Cisco does whatever it takes to get his friends back."[39] Valdes also confirmed the return of Cisco's more lighthearted joking manner.[39] Candice Patton explained Iris West's larger role within Team Flash as "a way of distracting herself,"[39] adding that "[Iris] is forced to deal with that anger and resentment and abandonment by kind of focusing on protecting Central City... We're seeing a very different Iris, almost a very hardened Iris."[40] Kreisberg also hinted at some major growth for Iris this season, and noted that "the season premiere is all about Iris and Cisco, not Barry".[41]
In July 2017, Sterling Gates, DC Comics comic book writer, joined as a member of the fourth season's writing staff.[42] At the Television Critics Association press tour in August 2017, Pedowitz stated that the fourth season of The Flash is "going to try to find the lightness... of the Barry Allen of the first two seasons,"[43] and said that the show was likely "done with Speedster villains".[44] Later in the month, Kreisberg confirmed the return of Harry Wells from Earth-2, saying that "season 4 for Harry is really realizing what he's missing in his life and what it is he needs to become a better, more complete person, and so he's going to be going on a fairly epic emotional journey this season that is tied to the Thinker's plan," in addition to confirming the introduction of a new version of the Wells character.[45]
In September 2017, Helbing noted "There's a lot of love in the air this season," and compared Barry and Iris' reunion to "somebody going off to war for six months and coming back. There's a lot that Iris experienced that Barry didn't when he was gone, and it's really [about] the fun and the emotional component of making up that time when they weren't together." Helbing also explained that the Speed Force "let [Barry] deal with all of the baggage [from the past three seasons]. When he comes out, he's sort of left that all behind."[46] That month, Kreisberg also confirmed that Barry and Iris will be getting married this season,[47] while also revealing that the pair will be going to couples therapy since "[they] keep comically clashing inadvertently because [both are] used to being in charge, and so they wind up going... to work through it." He added, "The two of them with the therapist is some of the funniest stuff we have ever done on this show, but it also leads to a deepening of their relationship."[48]
Casting[edit]
Main cast members Grant Gustin, Candice Patton, Danielle Panabaker, Carlos Valdes, Keiynan Lonsdale, Tom Cavanagh, and Jesse L. Martin return from previous seasons as Barry Allen / The Flash, Iris West, Caitlin Snow / Killer Frost, Cisco Ramon / Vibe, Wally West / Kid Flash, Harrison Wells, and Joe West, respectively.[10] Cavanagh will portray Harry Wells from Earth-2 at the start of the season, without ruling out the possibility of introducing another incarnation of the Wells character later on.[39] Teasing the arrival of a new Harrison Wells, Cavanagh said, "We're going to start with Harry and then find a way, I think, to try and get a different version of Wells in there, be it some version of Harry or whatnot as the season's gaps present themselves."[49] Also returning from earlier in the series are Jessica Camacho as Gypsy,[14] and Anne Dudek as Tracy Brand.[25] Tom Felton, who joined the cast as Julian Albert in the third season, was revealed not to be returning to the series, although there is a possibility he could return if the storyline demanded it and Felton's availability permits.[50] Julian's absence will be addressed "pretty quickly — there's a reason why he's no longer with the team," said Helbing.[51] In the season premiere, Julian is revealed to have returned to London.[52] Kreisberg also confirmed that he had put on hold the planned return of Violett Beane as Jesse Quick due to the high number of speedsters on the show, but did not rule out a possible return in the future.[53] Beane eventually appeared as Jesse on the episode "Luck Be a Lady".[22] Britne Oldford, who previously appeared as Shawna Baez / Peek-a-Boo in the first season and the web series The Chronicles of Cisco, reprised her role in the season premiere.[19]
In July 2017, Neil Sandilands was announced to be cast as Clifford DeVoe, a metahuman genius who embarks on a seasonlong battle with the Flash in order to fix all that he deems wrong with humanity; while Kim Engelbrecht was announced as The Mechanic, Devoe's right hand and a highly intelligent engineer who designs devices for him; and Danny Trejo as Breacher, a bounty hunter from Earth-19 and the father of Gypsy.[12] Also in June, the series was looking to cast a role that "should put the visual effects department to the test",[54] with the role later revealed to be Ralph Dibny / Elongated Man, a metahuman with the ability to stretch his body to superhuman lengths and sizes.[55] Hartley Sawyer was cast in the recurring role that July as the fast-talking private investigator who after discovering his abilities will help Team Flash solve one of Central City's greatest mysteries.[17] The character was previously mentioned in the first season, as one of the fourteen people who seemingly died as a result of the particle accelerator explosion.[56] The next month, Katee Sackhoff was announced in the recurring role of Amunet Black / Blacksmith, who operates an underground black market of metahuman supervillains.[18]
Filming[edit]
Filming for the season began on July 4, 2017,[57] in Vancouver, British Columbia, and is set to conclude on April 21, 2018.[58] Kevin Smith will return to direct an episode in January 2018.[9]
Music[edit]
In August 2017, series composer Blake Neely and Nathaniel Blume began to compose the music for the fourth season.[59]
Arrowverse tie-ins[edit]
In May 2017, The CW president Mark Pedowitz officially announced plans for a four-show Arrowverse crossover event, crossing over episodes of the television series Supergirl, The Flash, Legends of Tomorrow, and Arrow.[60] The crossover will begin with Supergirl and a special airing of Arrow on November 27, 2017, and conclude on The Flash and Legends of Tomorrow on November 28.[61] In August 2017, Berlanti noted that it would be "a big life event for a few different people" that would bring them all together for the crossover, adding "There are many life events that happen."[62] Arrow actress Emily Bett Rickards appears as Felicity Smoak in the fifth episode of the season.[18]
Release[edit]
Broadcast[edit]
The season began airing on October 10, 2017, on The CW in the United States,[63] and on CTV in Canada.[64]
Marketing[edit]
In July 2017, cast from the series appeared at San Diego Comic-Con International to promote the season, where exclusive footage was shown.[65] During the panel, a trailer for the season was shown, with James Whitbrook at io9 feeling that despite the "grim" tone, there was "some fun signs of the team coming together to protect the city without [Barry],... Sprinkle in a few wacky things, like, say a goddamn Samuroid ripped straight from the comics, and ladies and gents, you've got a good season of The Flash lined up."[66] Ben Pearson with /Film felt seeing Iris West deal with the absence of Barry was "a nice change of pace for that character", but anticipated that "Barry [would] be back two or three episodes in at the latest."[67] Collider.com's Allison Keene also noted Iris "getting an actual storyline" with Barry gone, and similarly presumed that he "[would] be back in the fold by the end of the first episode" alike to Flashpoint in the third season. She added, "There are some new foes, lots of action, plenty of tech — it’s great!"[68]
Reception[edit]
Ratings[edit]
No.
Title
Air date
Rating/share
(18–49)
Viewers
(millions)
DVR
(18–49)
DVR viewers
(millions)
Total
(18–49)
Total viewers
(millions)
1 "The Flash Reborn" October 10, 2017 1.1/4 2.84[1] 0.7 1.92 1.8 4.77[69]
2 "Mixed Signals" October 17, 2017 0.9/4 2.54[2] 0.8 1.82 1.7 4.36[70]
3 "Luck Be a Lady" October 24, 2017 1.0/4 2.62[3] 0.8 1.84 1.8 4.46[71]
4 "Elongated Journey Into Night" October 31, 2017 0.7/3 1.99[4] TBD TBD TBD TBD
5 "Girls Night Out" November 7, 2017 0.9/4 2.38[5] TBD TBD TBD TBD
Critical response[edit]
The review aggregator website Rotten Tomatoes reported a 100% approval rating with an average rating of 7.36/10 based on 13 reviews.[72]
Reviewing the first two episodes of the season, Allison Keene writing for Collider.com, felt the premiere "wipes the slate clean, fixing a lot of the issues that plagued the end of the last season, and setting up a much more toned-down storyline. Most importantly, it's brought back some fun." She added that with a "streamlined team," the core characters now have time to interact and have meaningful plot lines. On the second episode, Keene described it as "truly a delight" with the show taking "the time to focus on character relationships, and not just romantic relationships" and each character "feeling like a refreshed version of themselves, with new narrative purpose". She also highlighted the setup of the Thinker "as an Alchemy-like villain who manipulates evil metas into the Flash's path as part of some kind of masterplan", saying "The Flash is a series that truly works best as a procedural, with the team finding creative ways to bring down Villains of the Week."[73]
Accolades[edit]
Year
Award
Category
Recipient(s)
Result
Ref.
2017 TVLine's Performer of the Week Performance in "Mixed Signals" Candice Patton Won [74]
References[edit]
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Jump up ^ Damore, Meagan (August 14, 2017). "The Flash Star Tom Cavanagh Teases S4's Harrison Wells". Comic Book Resources. Archived from the original on August 16, 2017. Retrieved August 16, 2017.
Jump up ^ Abrams, Natalie (July 25, 2017). "The Flash: Tom Felton not returning as series regular". Entertainment Weekly. Archived from the original on August 1, 2017. Retrieved August 12, 2017.
Jump up ^ Mitovich, Matt Webb (September 13, 2017). "Matt's Inside Line: Scoop on Arrow, Lucifer, Flash, Supernatural, Gotham, #OneChicago, Elementary and More". TVLine. Archived from the original on September 16, 2017. Retrieved September 16, 2017.
Jump up ^ "'The Flash' Season 4 Review: Restoring Hope". Collider. October 9, 2017. Retrieved November 2, 2017.
Jump up ^ Holbrook, Damian (2017). "The Flash: Behind the Scenes". TV Guide Comic-Con Special 2017. p. 12. With so many speedsters present in the season finale, executive producer Andrew Kreisberg decided to put a hold on Violett Beane's planned return as Jesse Quick. "But she has been such a great addition to the show," Kreisberg says. "We'll see what happens in Season 4."
Jump up ^ Mitovich, Matt Webb (June 29, 2017). "Matt's Inside Line: Scoop on The Flash, Once, Lucifer, The Strain, Blindspot, Orphan Black, This Is Us and More!". TVLine. Archived from the original on July 31, 2017. Retrieved July 31, 2017.
Jump up ^ Damore, Meagan (July 13, 2017). "The Flash S4 Character Breakdown Reportedly Confirms Popular DC Hero". Comic Book Resources. Archived from the original on July 15, 2017. Retrieved July 15, 2017.
Jump up ^ Abrams, Natalie (July 31, 2017). "The Flash casts Hartley Sawyer as the Elongated Man". Entertainment Weekly. Archived from the original on August 1, 2017. Retrieved August 1, 2017.
Jump up ^ "The Flash Season 4 Begins Filming!". Fox8. July 4, 2017. Archived from the original on July 5, 2017. Retrieved July 15, 2017.
Jump up ^ "DGC BC Production List" (PDF). Directors Guild of Canada. Archived from the original on July 4, 2017. Retrieved June 14, 2017.
Jump up ^ Blake Neely [@cowonthewall] (August 30, 2017). "#TheFlashSeason4 scoring has begun with co-composer @nblumeathan. And you thought last season was fun. Here we go!" (Tweet). Retrieved September 8, 2017 – via Twitter.
Jump up ^ Andreeva, Nellie (May 18, 2017). "The CW Plans New 4-Series DC Crossover & What About Peak Superhero TV". Deadline.com. Archived from the original on May 28, 2017. Retrieved May 28, 2017.
Jump up ^ Abrams, Natalie (August 2, 2017). "CW sets two-night event for four-way superhero crossover". Entertainment Weekly. Archived from the original on August 4, 2017. Retrieved August 4, 2017.
Jump up ^ Schwartz, Terri (August 2, 2017). "This Arrowverse Crossover Will Fully Take Place Across Every Show From Supergirl To Legends of Tomorrow". IGN. Archived from the original on August 7, 2017. Retrieved August 7, 2017.
Jump up ^ Andreeva, Nellie (June 8, 2017). "The CW Sets Fall 2017 Premiere Dates For 'Dynasty' & 'Valor' And Returning Series Returning Series". Deadline.com. Archived from the original on June 8, 2017. Retrieved June 8, 2017.
Jump up ^ "CTV and CTV Two Fall 2017 Premiere Dates Announced ### CTV is Home of Television's Most-Anticipated Debuts of the Year". Bell Media. August 24, 2017. Archived from the original on September 2, 2017. Retrieved September 2, 2017.
Jump up ^ Goldberg, Matt (June 29, 2017). "'Westworld' Is Coming to Comic-Con; WBTV Announces Full Line-Up". Collider. Archived from the original on July 1, 2017. Retrieved July 2, 2017.
Jump up ^ Whitbrook, James (July 22, 2017). "The New Flash Trailer Is All About Trying to Live in a World Without Barry Allen". io9. Archived from the original on August 13, 2017. Retrieved August 13, 2017.
Jump up ^ Pearson, Ben (July 25, 2017). "Here's a Round-Up of All of The DC Comics TV Show Trailers From Comic-Con". /Film. Archived from the original on August 13, 2017. Retrieved August 13, 2017.
Jump up ^ Keene, Allison (July 22, 2017). "'The Flash' Season 4 Trailer Shows the Team Dealing with a Barry-less World". Collider. Archived from the original on July 23, 2017. Retrieved August 13, 2017.
Jump up ^ Porter, Rick (October 25, 2017). "'The Good Doctor' is the most-watched show on TV in week 3 broadcast Live +7 ratings". TV by the Numbers. Archived from the original on October 26, 2017. Retrieved October 25, 2017.
Jump up ^ Porter, Rick (November 2, 2017). "'Chicago PD,' 10 more shows double in week 4 broadcast Live +7 ratings". TV by the Numbers. Archived from the original on November 2, 2017. Retrieved November 2, 2017.
Jump up ^ Porter, Rick (November 9, 2017). "'Grey's Anatomy' keeps rolling along in week 5 broadcast Live +7 ratings". TV by the Numbers. Archived from the original on November 9, 2017. Retrieved November 9, 2017.
Jump up ^ "The Flash: Season 4". Rotten Tomatoes. Retrieved November 3, 2017.
Jump up ^ Keene, Allison (October 9, 2017). "'The Flash' Season 4 Review: Restoring Hope". Collider. Archived from the original on October 10, 2017. Retrieved October 10, 2017.
Jump up ^ "Performer of the Week: Candice Patton". TVLine. October 21, 2017. Archived from the original on October 21, 2017. Retrieved October 21, 2017.
General references
"The Flash Season 4 Episode Guide". TV Guide. Retrieved August 13, 2017.
"Shows A-Z – The Flash on CW". The Futon Critic. Retrieved August 13, 2017.
External links[edit]
Official website
List of The Flash episodes on IMDb
List of The Flash season 4 episodes at TV.com
[show]
v
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The Flash
Creators
Gardner Fox
Harry Lampert (Jay Garrick)
Bob Kanigher
Carmine Infantino
John Broome (Barry Allen)
John Broome
Carmine Infantino (Wally West)
Mark Waid
Mike Wieringo (Bart Allen)
The Flash Family
The Flash
Jay Garrick
Barry Allen
Wally West
Bart Allen
Kid Flash
Wally West
Bart Allen
Iris West II
Wally West II
Associates
Iris West
Jesse Chambers
Impulse
Johnny Quick
Max Mercury
Linda Park
Tornado Twins
XS
Supporting characters
Green Lantern (Hal Jordan)
Green Lantern (Kyle Rayner)
Elongated Man
Más y Menos
Tina McGee
Valerie Perez
Pied Piper
Red Trinity
David Singh
Solovar
Patty Spivot
Winky, Blinky, and Noddy
Enemies
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Big Sir
Doctor Alchemy
Fiddler
Godspeed
Gorilla Grodd
Peek-a-Boo
Rag Doll
Rainbow Raider
Savitar
Shade
Thinker
Turtle / Turtle Man
T. O. Morrow
Reverse-Flashes
Rival (Edward Clariss)
Professor Zoom (Eobard Thawne)
Zoom (Hunter Zolomon)
Rival (Thaddeus Thawne)
Reverse-Flash (Danny West)
The Rogues
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Captain Cold
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Pied Piper
Top
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Publications
Flash Comics
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The Flash: Rebirth (2009)
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In other media
Film
Justice League: The New Frontier
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Batman v Superman: Dawn of Justice
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Super Friends
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characters
episodes
season 4
Vixen
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Video games
The Flash (video game)
Justice League Task Force
Justice League Heroes: The Flash
Mortal Kombat vs. DC Universe
DC Universe Online
Injustice: Gods Among Us
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Cosmic treadmill
"Flash of Two Worlds"
Speed Force
[show]
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Arrow
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The Flash
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Season 4
"Pilot"
"Fastest Man Alive"
"Things You Can't Outrun"
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"Attack on Gorilla City" • "Attack on Central City"
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Characters
Legends of Tomorrow
Episodes
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Vixen
Freedom Fighters: The Ray
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Other
Arrowverse cast members
Crossovers
"Flash vs. Arrow"
"Heroes Join Forces"
"Invasion!"
"Crisis on Earth-X"
Constantine
Supergirl
"Worlds Finest"
Retrieved from "https://en.wikipedia.org/w/index.php?title=The_Flash_(season_4)&oldid=810239549"
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