The Spooky Tale of Captain Underpants Hack-a-Ween
When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday — and it's a huge success.
Running time: 45min
Release date: TV Special 8 October 2019
Cast: Nat Faxon, Jay Gragnani, Ramone Hamilton, Sean Astin, Dayci Brookshire, Clancy Brown