Irwin suddenly creates chaos in Endsville while trick or treating with Mindy. When he decides to open a certain door to a certain house a host of evil events take place. Irwin and his friends heroically try to battle these forces, thus giving birth to the team Underfist.

Starring:

Armin Shimerman, Dan Gilvezan, Dave Wittenberg, Diedrich Bader, Greg Eagles, Greg Ellis, Grey DeLisle, Jess Harnell, Martin Jarvis, Phil LaMarr, Rachael MacFarlane, Richard Steven Horvitz, Vanessa Marshall

Genre:

Animation, Comedy, Drama, Musical