Dragon Ball Z Kai - Season 5 - Eps 1: Seven Years Later! Starting Today, Gohan Is a High School Student
Now 16 years old, Gohan embarks on his first day of high school. But blending in is almost impossible for a Saiyan, and it gets even tougher when a celebrity classmate gets suspicious of a certain blond man thwarting criminals around town.
About Dragon Ball Z Kai

Title: Dragon Ball Z Kai
First Air Date: 2009-04-05
Last Air Date: 2015-06-28
Status: Ended
Rating: 7.5/10 (from 773 votes)
Language: JA
Seasons: 7
Total Episodes: 158
Network: Fuji TV
Genres: Sci-Fi & Fantasy, Animation, Action & Adventure, Comedy
Production Companies: Toei Animation
Synopsis
Rejoin Goku and his friends in a series of cosmic battles! Toei has redubbed, recut, and cleaned up the animation of the original 1989 animated series. The show's story arc has been refined to better follow the comic book series on which it is based. The show also features a new opening and ending. In the series, martial artist Goku, and his various friends, battle increasingly powerful enemies to defend the world against evil. Can Earth's defender defeat demons, aliens, and other villains?
Cast

Masako Nozawa
Son Goku / Son Gohan / Son Goten (voice)

Joji Yanami
Narrator (voice)

Mayumi Tanaka
Krillin (voice)

Ryo Horikawa
Vegeta (voice)

Toshio Furukawa
Piccolo (voice)

Hiromi Tsuru
Bulma (voice)

Naoko Watanabe
Chi-Chi (voice)

Takeshi Kusao
Trunks (voice)

Toru Furuya
Yamcha (voice)

Masaharu Satô
Master Roshi (voice)