

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.

Scooby-Doo / Fred Jones / Self

Norville 'Shaggy' Rogers / Self - Voice of "Shaggy"

Daphne Blake / Self - Voice of "Daphne"

Velma Dinkley / Self - Voice of "Velma"

Janel Parrish - Host

Self - Animation Historian and Author

Self - Director and Producer, "The Simpsons"

Self - Actor, "Scooby-Doo 2: Monsters Unleashed"

Self - Director, "Scoob!" / Showrunner, "Mystery Incorporated"

Self - Animator, Historian

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

Producer Bryn

Bram Penobscot - Scooby's Vocal Coach

Shaggy Rogers (voice) (archive footage)

Batman - Concerned Citizen (voice)

Self - Singer, Songwriter, Accordionist

Olivia Liang - Shaggy's Martial Arts Trainer

Costume Designer Carter

Self - Showrunner, "Mystery Incorporated"

Lazlo the Mechanic

Arlo Davidsonman - Team Scooby

Snow Ghost

Additional Voices (voice)

Additional Voices (voice)

Additional Voices (voice)

Executive Producer

Writer

Director

Producer

Thanks

Thanks

Director of Photography

Costume Design

Editor

Thanks

Property Master

Thanks

Thanks

Other

Assistant Editor

Original Music Composer

Production Manager

Other

Key Grip

Storyboard Artist

Thanks

Thanks

Makeup Department Head

Sound Mixer

Production Executive

Character Designer

First Assistant Camera

Transportation Captain

Graphic Designer

Line Producer

Gaffer

Costume Supervisor

Production Coordinator

Animation

Other

Hair Department Head

Script Supervisor

Colorist

Other

Original Music Composer

Post Production Supervisor

Producer

Associate Producer

Post Producer

Supervising Animation Director

Online Editor

Animation

Production Controller