Justice League Action - The Brain Buster

Seizoen: 1 - Aflevering: 39 / 39 - Eerst uitgezonden: 07 oktober 2017 - Episode ID: 1565781

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.