About Eikichi Onizuka, a 22-year-old ex-gangster member and a virgin. He has one ambition that no one ever expected from him. His solely life purpose is to become the greatest high school teacher ever.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Legend Begins | 1999-06-30 | 60 min |
| Season 1 | Episode 2 | Enter Uchiyamada | 1999-07-07 | 25 min |
| Season 1 | Episode 3 | Late Night Roof Diving | 1999-07-21 | 25 min |
| Season 1 | Episode 4 | The Secret Life of Onizuka | 1999-08-11 | 25 min |
| Season 1 | Episode 5 | An Eye for an Eye, a Butt for a Butt | 1999-08-18 | 25 min |
| Season 1 | Episode 6 | Conspiracies All Around | 1999-08-25 | 25 min |
| Season 1 | Episode 7 | The Mother of All Crushes | 1999-09-01 | 25 min |
| Season 1 | Episode 8 | Bungee Jumping Made Easy | 1999-09-08 | 25 min |
| Season 1 | Episode 9 | Onizuka and the Art of War | 1999-09-22 | 25 min |
| Season 1 | Episode 10 | Outside Looking In | 1999-09-22 | 25 min |
| Season 1 | Episode 11 | To Be Idolized by a Nation | 1999-10-17 | 25 min |
| Season 1 | Episode 12 | The Formula for Treachery | 1999-10-31 | 25 min |
| Season 1 | Episode 13 | Only the Best Will Do | 1999-11-21 | 25 min |
| Season 1 | Episode 14 | Between a Rock and a Hard Place | 1999-12-05 | 25 min |
| Season 1 | Episode 15 | The Great Sacrifice | 1999-12-12 | 25 min |
| Season 1 | Episode 16 | Beauty + Brains = A Dangerous Mix | 1999-12-19 | 25 min |
| Season 1 | Episode 17 | Falling for the Great Onizuka | 2000-01-16 | 25 min |
| Season 1 | Episode 18 | How to Dine and Dash | 2000-01-23 | 25 min |
| Season 1 | Episode 19 | Private Investigations | 2000-01-30 | 25 min |
| Season 1 | Episode 20 | Love Letters | 2000-02-06 | 25 min |
| Season 1 | Episode 21 | Revolution Everywhere | 2000-02-13 | 25 min |
| Season 1 | Episode 22 | The Art of Demolition | 2000-02-20 | 25 min |
| Season 1 | Episode 23 | Superstition | 2000-02-27 | 25 min |
| Season 1 | Episode 24 | Compromising Positions | 2000-03-05 | 25 min |
| Season 1 | Episode 25 | Playing Doctor - GTO Style | 2000-03-12 | 25 min |
| Season 1 | Episode 26 | Onizuka Meets His Match | 2000-03-19 | 25 min |
| Season 1 | Episode 27 | Agent To The Stars | 2000-04-02 | 25 min |
| Season 1 | Episode 28 | Whatever Can Go Wrong, Will Go Wrong | 2000-04-16 | 25 min |
| Season 1 | Episode 29 | Studies in High Finance | 2000-04-23 | 25 min |
| Season 1 | Episode 30 | Money Talks, GTO Walks | 2000-04-30 | 25 min |
| Season 1 | Episode 31 | Destination: Okinawa | 2000-05-07 | 25 min |
| Season 1 | Episode 32 | The Law of Probability | 2000-05-14 | 25 min |
| Season 1 | Episode 33 | Search and Rescue | 2000-05-28 | 25 min |
| Season 1 | Episode 34 | Good Cop / Bad Cop | 2000-06-04 | 25 min |
| Season 1 | Episode 35 | Wedding Bell Blues | 2000-06-11 | 25 min |
| Season 1 | Episode 36 | Self-Improvement: Fuyutsuki's Transformation | 2000-06-18 | 25 min |
| Season 1 | Episode 37 | Living Together | 2000-07-16 | 25 min |
| Season 1 | Episode 38 | Great Treasure Onizuka | 2000-07-30 | 25 min |
| Season 1 | Episode 39 | Alone in the Dark | 2000-08-13 | 25 min |
| Season 1 | Episode 40 | Matters of the Heart | 2000-08-20 | 25 min |
| Season 1 | Episode 41 | Confessions | 2000-08-27 | 25 min |
| Season 1 | Episode 42 | Old Wounds Revisited | 2000-09-10 | 25 min |
| Season 1 | Episode 43 | Onizuka's Final Battle | 2000-09-17 | 25 min |
| Visual Effects | Koichi Usami | Character Designer |
| Sound | Takashi Kodama | Music Director |
| Camera | Harutoshi Miyagawa | Director of Photography |
| Visual Effects | Hideo Kamiya | Color Designer |
| Directing | Noriyuki Abe | Series Director |
| Sound | Yūsuke Honma | Music |
| Editing | Haruhiko Kuriyakawa | Editor |
| Editing | Junichi Uematsu | Editor |
| Sound | Kirari | Theme Song Performance |
| Sound | Miwako Okuda | Theme Song Performance |
| Sound | Porno Graffiti | Theme Song Performance |
| Visual Effects | Toshiyuki Tsuru | Opening/Ending Animation |
| Visual Effects | Tetsuya Nishio | Opening/Ending Animation |
| Sound | yukihiro | Theme Song Performance |
| Sound | Hyde | Theme Song Performance |
| Sound | Ken | Theme Song Performance |
| Art | Yuji Ikeda | Art Direction |
| Writing | Tôru Fujisawa | Original Story |
