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About
Mystery Inc. has cracked the case to top all cases! They’ve tracked down Coco Diablo, the head of a notorious costume crime syndicate. With Coco and her kitty in prison, Mystery Inc. thinks that they can finally enjoy a break. Wrong! Suddenly, menacing doppelgänger ghosts of the Scooby crew and favorite classic foes show up in Coolsville to threaten Halloween. Now it’s up to the meddling kids to unmask the latest scoundrel and save Halloween!
Digital
Oct 4, 2022
DVD / Blu-ray
Oct 18, 2022
Keywords
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Region
Apple TV Store
Rent from
HD
$3.99
Apple TV Store
Buy from
HD
$12.99
Amazon Video
Rent from
HD
$3.99
Amazon Video
Buy from
HD
$12.99
HBO Max
Stream included
HD
Included
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Prices last updated October 1, 2026. Pricing and availability may vary by region.
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Cast
Full credits →F
Frank Welker
Scooby-Doo / Rudy / Fred / Nefario (voice)
G
Grey DeLisle
Daphne / Daisy / Musketeer 1 / Olive (voice)
M
Matthew Lillard
Shaggy / Craggly / Captain Cutler (voice)
K
Kate Micucci
Velma / Helga (voice)
M
Myrna Velasco
Coco Diablo (voice)
D
Dee Bradley Baker
Esteban / Mr. Wickles / Cat Man (voice)
J
Jeff Bennett
Shady Guy / Charlie Humdrum / Hank (voice)
A
Anthony Carrigan
Trevor Glume / Farmer (voice)
E
Erin Fitzgerald
Library Kid / Superhero Girl / Musketeer 2 (voice)
D
David Lodge
Warden Collins / Harry the Hypnotist / Inspector (voice)
L
Lara Jill Miller
Prisoner Costume Teen / Superhero Boy / Musketeer 3 (voice)
C
Candi Milo
Prison Woman / Dinosaur Kid / Monster Kid (voice)
J
Jenelle Lynn Randall
Librarian / Superboy (voice)
K
Kevin Michael Richardson
Sheriff / Henry Bascombe / 10,000 Volt Ghost (voice)
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