The Cube Root Justice League Action : Season 1 Episode 34
TV-Y7 Cartoon Network 11m
Aired: September 1st, 2017 @ 7:00 AM EST on Cartoon Network
When a mysterious alien abducts Mr. Terrific, Batman, Luthor and two of the brainiest villains in the universe, he puts them to a test to discover who is the smartest among them.
