Felix Faust steals Zatanna's hat in order to free a massive demon and get his youth back. While Batman and Etrigan face off against the demon, Zatanna uses every trick in her arsenal to get her hat back from Felix Faust.

When Firestorm discovers that League members have no memory of who they are, it's up to him to round them up in their secret identities and convince them they are superheroes.

Mr. Mxyzptlk decides to create some mischief by granting Shazam's well-meaning Uncle Dudley with superpowers bigger than anyone in the league.