Justice League Action Season 1 Episode 34
The Cube Root
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.
Guest Stars
Hannibal Buress
Michael Holt / Mister Terrific (voice)
Ely Henry
Noah Kuttler / Calculator (voice)
P.J. Byrne
Firestorm (voice)
Stephen Tobolowsky
Professor Stein (voice)