
40 minutes
10/29/2021
After 52 years of solving mysteries, the Scooby gang reunite at Warner Bros. Studios to reminisce about their favorite cases and how they were filmed. But it turns out that the back lot may have its OWN monster problem. Fred, Daphne, Velma, Shaggy, and Scooby-Doo investigate this mystery while celebrating the legacy of the franchise.

Frank Welker
as Scooby-Doo / Fred Jones / Self

Matthew Lillard
as Norville 'Shaggy' Rogers / Self - Voice of "Shaggy"

Grey DeLisle-Griffin
as Daphne Blake / Self - Voice of "Daphne"

Kate Micucci
as Velma Dinkley / Self - Voice of "Velma"

Janel Parrish
as Janel Parrish - Host

Jerry Beck
as Self - Animation Historian and Author

David Silverman
as Self - Director and Producer, "The Simpsons"

Seth Green
as Self - Actor, "Scooby-Doo 2: Monsters Unleashed"

Tony Cervone
as Self - Director, "Scoob!" / Showrunner, "Mystery Incorporated"

Tom Sito
as Self - Animator, Historian

Joseph Barbera
as Self - Hanna-Barbera Co-Founder (archive footage)

Mary Lynn Rajskub
as Producer Bryn

Baron Vaughn
as Bram Penobscot - Scooby's Vocal Coach

Casey Kasem
as Shaggy Rogers (voice) (archive footage)

Diedrich Bader
as Batman - Concerned Citizen (voice)

'Weird Al' Yankovic
as Self - Singer, Songwriter, Accordionist

Olivia Liang
as Olivia Liang - Shaggy's Martial Arts Trainer

Karamo Brown
as Costume Designer Carter
Mitch Watson
as Self - Showrunner, "Mystery Incorporated"

Cheri Oteri
as Lazlo the Mechanic

Brendan Jennings
as Arlo Davidsonman - Team Scooby
Vadym Krasnenko
as Snow Ghost
Lindsey Alena
as Additional Voices (voice)
Dominic Catrambone
as Additional Voices (voice)

Fred Tatasciore
as Additional Voices (voice)