The episode is highly regarded for how it adapts the core personalities of the "Big Four" into their younger selves:
The episode ends on a poignant note regarding . While Diana reflects that it was "kind of enjoyable" to be a kid again, Bruce grimly replies, "I haven't been a kid since I was eight years old," referencing the age he was when his parents were murdered. Trivia & Production [S1E5] Kid Stuff
: The story is loosely based on the DC Comics event JLA: World Without Grown-Ups . The episode is highly regarded for how it
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. The heroes eventually trick Mordred by taunting him
: Voiced by Shane Haboucha, he is portrayed as a naive, enthusiastic "farmboy" who is eager to help.
"Justice League Unlimited" Kids' Stuff (TV Episode 2004) - IMDb