The Cube Root

Justice League Action

calendar_todaySep 2, 2017 schedule11 min star7.0

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.

list All Episodes chevron_left Prev Next chevron_right

broadcast_on_home Networks

Cartoon Network

star 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)