Overman King Gainer is an anime TV series, created by Sunrise. Directed by longtime animator Yoshiyuki Tomino, the creator of the Gundam series, written by Ichirō Ōkouchi, and featuring character designs by Yoshihiro Nakamura, Kinu Nishimura and Ken'ichi Yoshida, the series ran from September 7, 2002 to March 22, 2003 on Japan's WOWOW network, spanning a total of 26 episodes.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Gain and Gainer | 2002-09-07 | 25 min |
| Season 1 | Episode 2 | Pay Me Back | 2002-09-14 | 25 min |
| Season 1 | Episode 3 | Explosion! Overskill | 2002-09-21 | 25 min |
| Season 1 | Episode 4 | Taste of Victory is Taste of Kiss | 2002-09-28 | 25 min |
| Season 1 | Episode 5 | Eyes Shining in Siberia | 2002-10-05 | 25 min |
| Season 1 | Episode 6 | St. Regan's Assassin | 2002-10-12 | 25 min |
| Season 1 | Episode 7 | Railway Tycoon Kidz Munt | 2002-10-19 | 25 min |
| Season 1 | Episode 8 | Hell's Marathon Relay | 2002-10-26 | 25 min |
| Season 1 | Episode 9 | Miss Adette's Hard Lesson | 2002-11-02 | 25 min |
| Season 1 | Episode 10 | Asuham's Grudge | 2002-11-09 | 25 min |
| Season 1 | Episode 11 | You Can't Steal Tears | 2002-11-16 | 25 min |
| Season 1 | Episode 12 | Battles of the Giant Stones | 2002-11-23 | 25 min |
| Season 1 | Episode 13 | Brunhilde's Tears | 2002-11-30 | 25 min |
| Season 1 | Episode 14 | Transfigure! Dominator | 2002-12-07 | 25 min |
| Season 1 | Episode 15 | Between Dia and Magma | 2002-12-14 | 25 min |
| Season 1 | Episode 16 | Fight On, Adette Troop | 2002-12-21 | 25 min |
| Season 1 | Episode 17 | The World Without Lies | 2002-12-28 | 25 min |
| Season 1 | Episode 18 | Fragility of Blade | 2003-01-04 | 25 min |
| Season 1 | Episode 19 | Lionnetor's Nightmare | 2003-01-11 | 25 min |
| Season 1 | Episode 20 | You Can't Win in Katez | 2003-01-18 | 25 min |
| Season 1 | Episode 21 | Overman's Darkness | 2003-01-25 | 25 min |
| Season 1 | Episode 22 | The Crystal of Agate | 2003-02-01 | 25 min |
| Season 1 | Episode 23 | Resurrected Overdevil | 2003-02-08 | 25 min |
| Season 1 | Episode 24 | Overmax | 2003-02-15 | 25 min |
| Season 1 | Episode 25 | Inside Ice | 2003-02-22 | 25 min |
| Season 1 | Episode 26 | Gain Over | 2003-03-01 | 25 min |
| Visual Effects | Masashi Ando | Animation |
| Directing | Yoshiyuki Tomino | Director |
| Writing | Ichiro Okouchi | Series Composition |
| Writing | Yoshiyuki Tomino | Original Story |
| Sound | Yoshiki Fukuyama | Theme Song Performance |
| Visual Effects | Akira Yasuda | Mechanical Designer |
| Visual Effects | Kenichi Yoshida | Character Designer |
| Visual Effects | Kenichi Yoshida | Animation Director |
