Magical Hat is an anime series produced by Studio Pierrot that lasted from October 1989 to July 1990 with 33 episodes produced.

The hero is a young boy named Hat, descendant of a hero who defeated the evil king of Devildom with a supernatural power and sealed Devildom under the Uson Island. His parents have researched devildom, but Hat loses them when an earthquake sends him falling down into the hole and into Devildom, where the king has regained his strength. With the help of his partners, including the magenta-haired teenager named Spin, he must stop the king from his new reign once and for all.