Batman: The Brave and the Bold

Legends of the Dark Mite! (1x19)

:

Batman's biggest fan, BatMite, is also his biggest nightmare when the 5th dimensional imp pops up and in an effort to make Batman a better hero, throws Gotham City into chaos. Kidnapping the Dark Knight and traveling to the surreal 5th dimension, the adventure continues with references to many of the classic villains.