S1·E4 Hulk Talk Smack!
Aired October 3, 2009
Synopsis
During a chaotic battle with Klaw & Screaming Mimi, a fractal's cosmic power turns the Hulk into the Gray Hulk.
Aired October 3, 2009
During a chaotic battle with Klaw & Screaming Mimi, a fractal's cosmic power turns the Hulk into the Gray Hulk.