The Spooky Tale of Captain Underpants Hack-a-Ween

In this animated comedy, clever best friends Harold and George create their own spooky holiday to counter Melvin's attempt to cancel Halloween, with hilarious results. Voiced by Jay Gragnani and Ramone Hamilton, the duo's antics are led by Captain Underpants / Mr. Krupp (Nat Faxon), a.k.a. Mr. Krupp, in a voice role that showcases the character's eccentric personality. The film's success is narrated by Sean Astin as the Narrator / Mr. Gigglenose, bringing a playful tone to the story.