Overview: Butt Detective gets a mysterious letter from a faraway jungle, but it's missing a return address on its back. He and Brown head out for an adventure.
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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: 62.23Language: Japanese