The Brain Buster Justice League Action : Season 1 Episode 39
TV-Y7 Cartoon Network 11m
Aired: September 29th, 2017 @ 7:00 AM EST on Cartoon Network
A mysterious creature abducts Batman, Mr. Terrific, Luthor and two of the brainiest villains in the universe to put them to the test to discover who is the smartest among them.
