The popular Butt Detective (Oshiri Tantei) television anime is set to air new episodes beginning Friday, October 4. The upcoming storyline will feature a significant plot twist, with the titular detective losing his memories, adding a fresh layer of mystery to the beloved children’s series.
New Arc Explores Butt Detective’s Memory Loss
Fans of the quirky investigator can anticipate a compelling new arc as the Buttt Detective grapples with amnesia. This new narrative direction promises to challenge the usually astute detective, forcing him and his assistant Brown to navigate cases under unusual circumstances. The staff behind the anime revealed this new focus on Friday, September 5, 2025.
Where to Watch the Latest Adventures
While specific broadcast times for the new episodes will likely be confirmed closer to the air date, previous seasons of the Butt Detective anime have aired on NHK E-Tele in Japan. The series, known for its engaging mysteries and family-friendly humor, has maintained a consistent presence on Japanese television since its debut.
The Enduring Popularity of the Butt Detective Franchise
Butt Detective, or Oshiri Tantei in Japanese, originated as a highly successful children’s book series written by Troll and published by Poplar Inc. The books have garnered immense popularity, boasting over 10 million copies in circulation. The franchise centers on a peculiar but brilliant detective whose face resembles a backside, and his loyal dog assistant, Brown. Together, they solve perplexing cases with the Butt Detective’s signature catchphrases and “poot” expulsion skills used to subdue criminals.
The anime adaptation first premiered on NHK E-Tele with three episodes in May 2018, followed by a seven-episode series in July 2018. It later began a regular weekly broadcast in December 2018 and has continued to delight audiences with subsequent seasons and theatrical films. The series has also inspired theatrical musicals and a Nintendo Switch game.
The consistent release of new content underscores the franchise’s strong appeal among its target audience, providing both entertainment and gentle lessons in deduction and problem-solving. The upcoming memory-loss arc is expected to further engage viewers with its unique premise.
