Overman King Gainer poster
Where to stream

Overman King Gainer

8.420021 seasonTV SeriesAnimationSci-Fi & FantasyAction & Adventure

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…

DirectorYoshiyuki Tomino

Where to watch

Not available in United States
Streaming in 1 other country

Overman King Gainer isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.

Seasons & Episodes

E1
Gain and Gainer
Sep 7, 2002
E2
Repayment
Sep 14, 2002
E3
Explosion! Overskill
Sep 21, 2002
E4
The Taste of Victory is the Taste of a Kiss
Sep 28, 2002
E5
Eyes Shining Toward Siberia
Oct 5, 2002
E6
Saint Reagan's Assassin
Oct 12, 2002
E7
The Railroad King, Kizz Munt
Oct 19, 2002
E8
A Hellish Relay Race
Oct 26, 2002
E9
A Hard Struggle! Adett, the Teacher
Nov 2, 2002
E10
Asham's Tenacity
Nov 9, 2002
E11
Tears Can't Be Stolen
Nov 16, 2002
E12
An Attack Over Enormous Stone Columns
Nov 30, 2002
E13
Brunhilde's Tears
Dec 7, 2002
E14
The Apparition, Dominator
Dec 14, 2002
E15
Between the Schedule and Magma
Dec 21, 2002
E16
A Tough Fight, Adett Squad
Jan 11, 2003
E17
A World Without Lies
Jan 18, 2003
E18
The Sword's Fragility
Jan 25, 2003
E19
Leonetta's Nightmare
Feb 1, 2003
E20
Defeated at Katezu
Feb 8, 2003
E21
Overman's Darkness
Feb 15, 2003
E22
The Agato Crystal
Feb 22, 2003
E23
Overdevil Revival
Mar 1, 2003
E24
Overmax
Mar 8, 2003
E25
Inside the Ice
Mar 15, 2003
E26
Gain Over
Mar 22, 2003

Cast · Directed by Yoshiyuki Tomino

Hirofumi Nojima
Hirofumi Nojima
Gainer Sanga (voice)
Otoya Kawano
Otoya Kawano
Gain Bijou (voice)
Ai Kobayashi
Ai Kobayashi
Sara Kodama (voice)
Noriko Kitou
Noriko Kitou
Princess Ana Medaiyu (voice)
Takehito Koyasu
Takehito Koyasu
Asuham Boone (voice)
Toshiko Sawada
Toshiko Sawada
Martena Lane (voice)
Tadahisa Saizen
Tadahisa Saizen
Toun (voice)
Takashi Nakamura
Takashi Nakamura
Zacchi Bronco (voice)

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Overman King Gainer — streaming FAQ

Which OTT platform streams Overman King Gainer?

Overman King Gainer isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.

Is Overman King Gainer on Netflix?

No, Overman King Gainer is not on Netflix in United States as of August 2026.

Is Overman King Gainer on Amazon Prime Video?

No, Overman King Gainer isn't on Amazon Prime Video in United States right now.

Where can I watch Overman King Gainer for free?

Overman King Gainer isn't streaming in United States yet, so there's no way to watch it free at the moment.

How many seasons are in Overman King Gainer?

Overman King Gainer has 1 season in total (26 episodes). The series concluded in 2003.

Are all episodes of Overman King Gainer out yet?

Yes — all 26 episodes across 1 season of Overman King Gainer are out and available to stream.

Is there a Season 2 of Overman King Gainer?

No — Overman King Gainer ended after 1 season, so there is no Season 2.

Is Overman King Gainer based on a book?

Yes — Overman King Gainer is based on a book or novel.