Professor Poppen and the Swamp of No Return
- Originální název: ぽっぺん先生と帰らずの沼
- Žánr: Animovaný
- Režie: Hiromitsu Morita
Based on the children's book series Poppen-sensei, which follows a biology assistant professor at Udo University who gets wrapped up in his fantasies in nature.
