but ends up being the best in class. Cody searches for a summer job and ends up working at Paul Revere Mini Mart, which is managed by Wayne Wormser. Maddie becomes a camp counselor and finds that she needs to spend the summer with a group of juvenile girls including Holly, the little con-artist and hustler from the season two episode "Have a Nice Trip". London Tipton gets a summer romance with the hotel employee Lance, despite her rich friends not being supportive of the couple since he isn't rich like them and constantly embarrasses her. He ends up breaking up with her before the end of the summer after meeting someone else. Mr. Moseby's niece, Nia replaces Maddie in the hotel candy-counter and becomes friends with Zack, Cody and London. Once summer is over, Zack, Cody, London (who was expelled from Our Lady of Perpetual Sorrow Catholic School for skipping school), Nia, Barbara, Bob and Mark join Cheevers High School and end up getting in trouble on the first day. After being away in Antarctica, Maddie returns and also joins Cheevers High School. In the beginning she doesn't get along with Nia. London starts a web show titled "Yay Me! Starring London Tipton", produced by Cody and eventually Maddie too. In the episode "Let Us Entertain You" the SS Tipton is first introduced when Zack and Cody get an offer to stay at the King Neptune suite if Carey accepts to sing at the cruise. This ship will be the new main setting in the Suite Life spin-off The Suite Life on Deck. In the series finale, we finally get to know why Muriel disappeared during seasons two and three: she had been retired for a few years. This season also includes an episode titled "Lip Synchin' in the Rain" that aired in the same night as High School Musical 2 and is about a school production of High School Musical. Theme song and opening sequence The theme song is the same as in previous seasons, with the opening sequence replacing a few scenes with new ones from season three. Cast Main cast Dylan Sprouse as Zack Martin Cole Sprouse as Cody Martin Brenda Song as London Tipton Ashley Tisdale as Maddie Fitzpatrick Phill Lewis as Mr. Moseby Kim Rhodes as Carey Martin Special guest cast Michael Clarke Duncan as Coach Little Notable appearances Meaghan Jette Martin as Stacey