Overman King Gainer (Season 1)

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.

Gain and Gainer (Episode 1)
Air date: 2002-09-07
Runtime: 30 min
Overview: Gainer Sanga, a skilled gamer, leads a normal life in the domed city of Yapan until he gets involved in a mysterious altercation, leading to the activation of an Overman.
Repayment (Episode 2)
Air date: 2002-09-14
Runtime: 30 min
Explosion! Overskill (Episode 3)
Air date: 2002-09-21
Runtime: 30 min
The Taste of Victory is the Taste of a Kiss (Episode 4)
Air date: 2002-09-28
Runtime: 30 min
Eyes Shining Toward Siberia (Episode 5)
Air date: 2002-10-05
Runtime: 30 min
Saint Reagan's Assassin (Episode 6)
Air date: 2002-10-12
Runtime: 30 min
The Railroad King, Kizz Munt (Episode 7)
Air date: 2002-10-19
Runtime: 30 min
A Hellish Relay Race (Episode 8)
Air date: 2002-10-26
Runtime: 30 min
A Hard Struggle! Adett, the Teacher (Episode 9)
Air date: 2002-11-02
Runtime: 30 min
Asham's Tenacity (Episode 10)
Air date: 2002-11-09
Runtime: 30 min
Tears Can't Be Stolen (Episode 11)
Air date: 2002-11-16
Runtime: 30 min
An Attack Over Enormous Stone Columns (Episode 12)
Air date: 2002-11-30
Runtime: 30 min
Brunhilde's Tears (Episode 13)
Air date: 2002-12-07
Runtime: 30 min
The Apparition, Dominator (Episode 14)
Air date: 2002-12-14
Runtime: 30 min
Between the Schedule and Magma (Episode 15)
Air date: 2002-12-21
Runtime: 30 min
A Tough Fight, Adett Squad (Episode 16)
Air date: 2003-01-11
Runtime: 30 min
A World Without Lies (Episode 17)
Air date: 2003-01-18
Runtime: 30 min
The Sword's Fragility (Episode 18)
Air date: 2003-01-25
Runtime: 30 min
Leonetta's Nightmare (Episode 19)
Air date: 2003-02-01
Runtime: 30 min
Defeated at Katezu (Episode 20)
Air date: 2003-02-08
Runtime: 30 min
Overman's Darkness (Episode 21)
Air date: 2003-02-15
Runtime: 30 min
The Agato Crystal (Episode 22)
Air date: 2003-02-22
Runtime: 30 min
Overdevil Revival (Episode 23)
Air date: 2003-03-01
Runtime: 30 min
Overmax (Episode 24)
Air date: 2003-03-08
Runtime: 30 min
Inside the Ice (Episode 25)
Air date: 2003-03-15
Runtime: 30 min
Gain Over (Episode 26)
Air date: 2003-03-22
Runtime: 30 min