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.
: It is one of three primarily comedic episodes in the first season, alongside "This Little Piggy" and "The Greatest Story Never Told".
" 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.