Episode Title:
To Err is Superhuman!.
Episode Description:
During a chaotic battle with Klaw & Screaming Mimi, a fractal's cosmic power turns the Hulk into the Gray Hulk. His new form makes him a super smart guy who does not like to fight, and thinks that the Super Hero Squad is childish. To redeem themselves, Klaw and Screaming Mimi rendezvous with Melter and Toad to find a fractal at the local reservoir.
