
Butt Detective the Movie: Star and Moon
Story begins when Koala asks Butt Detective to find a missing relative who disappeared from an idol contest. The case takes Butt Detective to Stardust Island, the site of the contest, and also the home of the international criminal organization Phantom Thief Academy, headed by Phantom Thief G. Here, the organization advances its secret conspiracy, codenamed the Dark Age Plan. Butt Detective enters Stardust Island under the guise of an idol. At the same time, he joins forces with Phantom Thief U, who is out to steal back the valuable Moonlight Stone from Phantom Thief G. The story will also reveal more about Brown's past.
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7.5/10
1 votes
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- Status
- Released
- Budget
- —
- Box office
- —
- Language
- Japanese
Top billed cast


















Behind the camera
Director
Produced in
Japan
Where to watch
Availability for Japan. Provided by JustWatch through the TMDB API.
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Release dates
JapanJP
- TheatricalG20 Mar 2025
South KoreaKR
- TheatricalALL7 Feb 2026
ThailandTH
- Theatrical6 Nov 2025
Frequently asked questions
Butt Detective the Movie: Star and Moon was released on 20 March 2025.
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