Overview: Kaito U's back and he's threatening to steal a porcine spa's "greatest treasure." Butt Detective and the K-9s try to deduce what it could be.
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First Air Date: May 03, 2018Last Air date: May 27, 2023Season: 1 SeasonEpisode: 86 EpisodeRuntime: 20 minutesQuality: HDIMDb: 9.00 / 10 by 1 usersPopularity: 80.531Language: Japanese