Episode 1
What is Gavai!?
3m
Episode credits
Directed by Shun MiyazakiWritten by Tatsuto Higuchi
TV series
Supplementary Investigation: Gavan Off-Duty
20261 season
Off-Duty—the unknown "everyday life" of the Gavans and their friends
The series "Gavan Off-Duty" is a spin-off project that may or may not touch upon the everyday lives of various Galactic Federation Police members beyond what is depicted in the television series. These are their stories. We see the Gavans face trials and hardships on the job day and night, but what about when they are off duty? Little do they expect the epic events that may transpire in their downtime. This is not a record of their battles, but of the stories to be found in between.
Availability
Not streaming in United States
Supplementary Investigation: Gavan Off-Duty premiered March 8, 2026. We don't have a confirmed streaming, rental or purchase option yet.
Synopsis
The series "Gavan Off-Duty" is a spin-off project that may or may not touch upon the everyday lives of various Galactic Federation Police members beyond what is depicted in the television series. These are their stories. We see the Gavans face trials and hardships on the job day and night, but what about when they are off duty? Little do they expect the epic events that may transpire in their downtime. This is not a record of their battles, but of the stories to be found in between.
Season 1 episodes
Choose an episode, then use the watch options above for the show.
Where to watch Supplementary Investigation: Gavan Off-Duty
Episode 2
Power Loss, Discharges and Iota Mansion
3m
Episode credits
Directed by Shun MiyazakiWritten by Natsumi Morichi
Episode 3
Defeating Carbonation
3m
Episode credits
Directed by Shun MiyazakiWritten by Tatsuto Higuchi
Episode 4
The Thing I Hate Most in the Universe
3m
Episode credits
Directed by Shun MiyazakiWritten by Natsumi Morichi
Episode 5
Defeat the Somen Noodles
3m
Episode credits
Directed by Shun MiyazakiWritten by Tatsuto Higuchi
Episode 6
AGI's Nonsense Cooking
3m
Episode credits
Written by Hiroshi Yamaguchi
Episode 7
Missing Police Notebook
3m
Episode credits
Directed by Kyouhei YamaguchiWritten by Hiroshi Yamaguchi
Episode 8
A Super Space Debate
3m
Episode credits
Directed by Kyouhei YamaguchiWritten by Mari Takura
Episode 9
Wall Fetishism
3m
Episode credits
Directed by Kyouhei YamaguchiWritten by Mari Takura
Episode 10
The Uncuttable, The Unpullable
3m
Episode credits
Directed by Kyouhei YamaguchiWritten by Mari Takura
Episode 11
Kazanami Art: Expanse
4m
Episode credits
Directed by Shun MiyazakiWritten by Saburo Yatsude
Episode 12
A Meeting that Transcends Mystery
3m
Episode credits
Directed by Shun MiyazakiWritten by Mari Takura
Episode 13
The Galactic Lost Child
Episode credits
Directed by Shun MiyazakiWritten by Mari Takura
Episode 14
Across Dimensions
Episode credits
Directed by Shun MiyazakiWritten by Mari Takura
Episode 15
Master the Way of Cosplay!
Episode credits
Directed by Kiichi KamikuboWritten by Hiroshi Yamaguchi
Episode 16
The Covert Operation! Carel's Office!
Episode credits
Directed by Kiichi KamikuboWritten by Saburo Yatsude
Episode 17
AGI: Birthday
Episode credits
Directed by Kiichi KamikuboWritten by Hiroshi Yamaguchi
Episode 18
Gavan & Gavan
Episode credits
Directed by Kiichi KamikuboWritten by Hiroshi Yamaguchi
Episode 19
What Makes a True Gavan Anyway?!
Episode credits
Directed by Shun MiyazakiWritten by Hiroshi Yamaguchi
Episode 20
Goodbye, Amigo
finale
Episode credits
Directed by Shun MiyazakiWritten by Hiroshi Yamaguchi
Episode information updated Jul 25, 2026
Available now in United States
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More about Supplementary Investigation: Gavan Off-Duty
Cast
Kohei NagataReiji Doki
Ryuga AkahaneSetsuna Aikokuin
Kokona SumiKiki Iwai
Kentaro YasuiKunai Kazanami
Arihiro MatsunagaDaisuke Date
Kohana ArisakaAGI
Anna IriyamaRui Amou
Lana TanidaKotobuki TakanariCredits
- Written by
- Hiroshi Yamaguchi, Mari Takura, Tatsuto Higuchi, Saburo Yatsude, Natsumi Morichi
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 20
- Original language
- Japanese
- Original title
- 補完捜査 ギャバンの非番
Networks & production
Toei Tokusatsu Fan ClubJapan
Toei TV ProductionJapan
Toei Tokusatsu Fan ClubJapan