Where To Stream Justice League Action Season 1 Episode 39
The Brain Buster
- Aired October 7, 2017
- 15 Min
- Rated 8.7
- Number 22 Of 52 Rated Episodes
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.