The heroes eventually trick Mordred by taunting him into using his magic to become an adult so he can finally defeat them. Because he becomes an adult, his own spell banishes him to the shadow dimension, breaking the enchantment over Earth.
: This episode marks the last time Morgaine Le Fey and Mordred appear in the DC Animated Universe.
The sorceress seeks the Amulet of First Magic for her son, Mordred . However, Mordred betrays her, steals the amulet, and uses its power to banish every adult on Earth to a shadow dimension so he can rule a world of children forever. [S1E5] Kid Stuff
" Kid Stuff " (Season 1, Episode 3 of Justice League Unlimited ) is a fan-favorite "de-aging" story where the world’s greatest heroes are forced to battle as children.
The episode is highly regarded for how it adapts the core personalities of the "Big Four" into their younger selves: The heroes eventually trick Mordred by taunting him
: Voiced by Dakota Fanning, she acts as a bossy, responsible older sister who struggles to hide a clear childhood crush on Batman.
: Shane Haboucha, the voice of Young Superman, later voiced Billy Batson (Shazam's alter ego) in the episode "Clash". The sorceress seeks the Amulet of First Magic
: The story is loosely based on the DC Comics event JLA: World Without Grown-Ups .