Regular Show: The Movie
After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.
Cast
J.G. Quintel
William Salyers
Sam Marin
Mark Hamill
Minty Lewis
Jason Mantzoukas
David Koechner
Roger Craig Smith
Ali Hillis
Kurtwood Smith