Fox Demon, Tamamo, Resurrects! The Mammoth Demon Fish Which Resides in the School Yard!!
A giant fish youkai attacks the school and Nube and Youko Tamamo become allies to defeat it.
Aired 31/08/1996EP 18 - Fox Demon, Tamamo, Resurrects! The Mammoth Demon Fish Which Resides in the School Yard!!
1996
Jigoku Sensei Nube
Nube is a clumsy, easygoing, and very kind teacher, but he has a secret under his glove on the left hand. He has a monster hand, and he also has the ability to sense ghosts and evil spirits. So he protects his dear students from these evil spirits with his monster hand, proving to be very powerful.
(Source: Anime News Network)