Denshi Sentai Denjiman

Denshi Sentai Denjiman is a Japanese television series. It is the 4th in Toei's Super Sentai series. It was broadcast from February 2, 1980 to January 31, 1981.
"Denjiman" is the first "Super Sentai" series entirely produced by Toei, since "Gorenger" and "J.A.K.Q." were co-produced with Ishimori Productions and "Battle Fever J" was co-produced with Marvel Comics.
Plot.
3,000 years ago, the Vader Clan, led by Queen Hedrian, devastated the planet Denji. Denji Land, an island from Denji, landed on Earth. in modern times, the computer of Denji Land awoke the Denji Dog IC when it detected the Vader Clan approaching Earth. IC found five young people (who may or may not be descendants of the Denji people) to become Denjiman in order to defend Earth, the Vader Clan's next target.