The Spooky Tale of Captain Underpants Hack-a-ween

Where are all of the Halloween decorations?

When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!

Creators and cast

Directors

Seung Woo Cha, Kevin Peaty

Producers

Peter Hastings

Cast

Nat Faxon, Jay Gragnani, Ramone Hamilton, Sean Astin, Dayci Brookshire, Clancy Brown

Studio

DreamWorks Animation Television