Humanoid Monster Bem[1] (Japanese: 妖怪人間ベム, Hepburn: Yōkai Ningen Bemu) is a 26-episode Japanese anime television series, which first aired on Fuji TV between October 7, 1968 and March 31, 1969, on its 19:30–20:00 timeslot.

[2] A live-action television drama adaptation premiered on NTV on October 22, 2011.

[10] A spin-off live-action film Yokai Ningen Bela was released on September 11, 2020.

[11] The plot of the series revolves around three yokai (supernatural creatures), Bem, Bela and Belo, who arrive at a large coastal city and come across an evil atmosphere, which was brought about by immoral behavior by humans and mischief caused by monsters and yokai.

They therefore decide to stay in the city, fighting against other monsters and yokai which attack humans, making a few friends along the way.