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!
- Genre: Comedy, Animation, Family
- Country: United States
- Director: Seung Woo Cha
- Cast: Nat Faxon, Jay Gragnani, Ramone Hamilton, Sean Astin, Dayci Brookshire, Clancy Brown, Jorge Diaz, Peter Hastings, Evan Kishiyama, David Koechner, Erica Luttrell, Patty Mattson, Brennan Murray, Kevin Michael Richardson, Mindy Sterling, Stephen Tobolowsky, Kari Wahlgren,