5.9Movie The Spooky Tale of Captain Underpants: Hack-a-ween (2019) Oct. 08, 2019 The Spooky Tale of Captain Underpants: Hack-a-ween (2019) IMDb: 5.9 2019 46 min 822 views Watch The Spooky Tale of Captain Underpants: Hack-a-ween (2019) 9cartoon Online Free full episodes. When Melvin tries to cancel Halloween, clever ... AnimationComedyFamily