Justice League Action (2016)
S1E39 The Brain Buster
A strange entity captures Batman, Mr. Terrific, Lex Luthor, and two of the universe's most intelligent villains, challenging them to prove who possesses the greatest intellect.
A strange entity captures Batman, Mr. Terrific, Lex Luthor, and two of the universe's most intelligent villains, challenging them to prove who possesses the greatest intellect.