Butt Detective
A NHK Educational TV Original
A tidy, unnerving mystery series for kids, Butt Detective follows a courteous, detail-oriented sleuth who always manages to straighten out strange puzzles that stump adults and children alike. Each episode sets up a small case, often involving a missing item, a mysterious noise, or a harmless... Read more
Where to Watch "Butt Detective"
Not Currently Streaming
This title isn't available for streaming in the US right now.
Not Currently Available On (8 platforms)
Streaming availability last verified: January 14, 2026
About Butt Detective
A tidy, unnerving mystery series for kids, Butt Detective follows a courteous, detail-oriented sleuth who always manages to straighten out strange puzzles that stump adults and children alike. Each episode sets up a small case, often involving a missing item, a mysterious noise, or a harmless prank, and the detective sifts through clues with quiet patience and a touch of humor. He uses simple logic, clear observation, and an unusual trademark move to unmask culprits and restore order, and the stories keep stakes low and outcomes upbeat so younger viewers can follow without spoilers or scares.
Released in 2018, the series was directed by Hiroki Shibata and created by Natsuko Takahashi. The cast features voice actors including Yuko Sanpei as the title character and Ayaka Saito as Brown, with Takahiro Sakurai, Ikkei Watanabe, and Takayuki Sugo in supporting roles.
There aren't widely reported major industry awards tied to the show, which is common for small-format children's animation. That said, it has found a steady audience among its target age group rather than in awards circuits.
The main visual gag and the detective's polite, almost prim manner have become simple hooks that stick with viewers, so clips and short clips shared by parents and teachers tend to highlight the show's sillier beats. Its style is easy to adapt for classroom readings, storytime, and short-form online excerpts that emphasize the humor and the reveal.
Viewer ratings and the small pool of reviews suggest a favorable reception, with the listed average score indicating viewers liked the tone and characters. The series leans on themes of observation, kindness, and straightforward problem solving, showing kids that attention to detail and calm thinking can sort out most puzzles. Episodes are brief and structured, which keeps the pace suitable for young attention spans while still rewarding careful watching.
Details
- Release Date
- May 03, 2018
- Episode Length
- 20m
- User Ratings
- 3 votes
- Type
- TV Series
- Seasons
- 1
- Episodes
- 123
- Network
- NHK Educational TV
- Status
- Returning Series
- Genres
- Animation, Kids
- Country
- Japan
- Studio
- Toei Animation
- External Links
- View on IMDB
Cast
Yuko Sanpei
Butt Detective (voice)
Ayaka Saito
Brown (voice)
Takahiro Sakurai
(voice)
Ikkei Watanabe
(voice)
Takayuki Sugo
(voice)
Reika Uyama
(voice)
Director: Hiroki Shibata
Created by: Natsuko Takahashi
Seasons (1 season, 123 episodes)
Season 1
123 episodes - 2018