Justice League Action Season 1 Episode 39
The Brain Buster
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.
Guest Stars
Oliver Vaquer
Mr. Mind (voice)
Hannibal Buress
Michael Holt / Mister Terrific (voice)
Ely Henry
Noah Kuttler / Calculator (voice)
Jim Ward
The Brain (voice)
James Woods
Lex Luthor (voice)