Billy & Mandy's Jacked-Up Halloween Poster

Billy & Mandy's Jacked-Up Halloween 2003

★ 9.02 votes22 min📅 2003-10-31

Billy & Mandy's Jacked-Up Halloween (2003) is a Halloween-themed adventure that throws Headless Jack—a mischievous prankster from the Netherworld—into a high-stakes battle for Grim Reaper's legendary scythe.

Director: Robert Alvarez

Cast

Grey DeLisle
Grey DeLisle
Mandy/Granny/Cowgirl (voice)
Greg Eagles
Greg Eagles
Grim/Spirit/Knight (voice)
Richard Steven Horvitz
Richard Steven Horvitz
Billy/Guy (voice)
Wayne Knight
Wayne Knight
Jack (voice)
Vanessa Marshall
Vanessa Marshall
Irwin/Toilet Paper Woman (voice)
Billy West
Billy West
Giant Pumpkin/Lumber Jack/Announcer/Cell Phone Guy (voice)

Frequently Asked Questions

What is Billy & Mandy's Jacked-Up Halloween (2003) about?

When Headless Jack escapes the Netherworld, he sees an opportunity to claim Grim's scythe and unleash demonic forces on Earth. Using Billy's impulsiveness, Jack manipulates him into stealing the scythe, setting off a Halloween-night adventure brimming with chaos and supernatural stakes.

Who directed Billy & Mandy's Jacked-Up Halloween?

Billy & Mandy's Jacked-Up Halloween was directed by Robert Alvarez, known for his work on animated series including the original *Grim Adventures of Billy & Mandy*.

Who stars in Billy & Mandy's Jacked-Up Halloween?

The main cast includes Grey DeLisle as Billy and Mandy, Greg Eagles as Grim, Richard Steven Horvitz as Headless Jack, and Vanessa Marshall voicing key roles in this Halloween adventure.

Is Billy & Mandy's Jacked-Up Halloween (2003) worth watching?

As a short Halloween-themed special, it delivers the right mix of spooky fun and humor for fans of the series. While it's unrated, its 22-minute runtime and nostalgic charm make it a lighthearted watch for Halloween season.

How long is Billy & Mandy's Jacked-Up Halloween?

Billy & Mandy's Jacked-Up Halloween runs for 22 minutes.

About Billy & Mandy's Jacked-Up Halloween (2003) — A Spooky Halloween Special Full of Mischief and Mayhem

Billy & Mandy's Jacked-Up Halloween (2003) is a Halloween-themed adventure that throws Headless Jack—a mischievous prankster from the Netherworld—into a high-stakes battle for Grim Reaper's legendary scythe. When Jack tricks Billy into stealing the scythe, he plans to unleash an army of demons and overthrow Grim, threatening to plunge the living world into chaos. Directed by Robert Alvarez, this animated short blends horror, comedy, and fantasy into a frenetic Halloween special filled with spooky gags and supernatural stakes.

With Grey DeLisle voicing the titular Billy and Mandy, Greg Eagles as Grim, and Vanessa Marshall bringing energy to the villainous Jack, the film balances absurd humor with eerie supernatural themes. The 22-minute runtime zips by, packed with Halloween spirit, mischief, and just enough scares to keep things fun.