Dance Matron of Mayhem!

"Dance Matron of Mayhem!" is the twenty-first episode of Scooby-Doo and Guess Who? season one. It aired on July 2, 2019 on Boomerang's SVOD service. It was written by Caroline Farah, produced by Chris Bailey, and directed by Mike Milo.

Daphne's celebrity guest star friend Maddie Ziegler is at risk of losing the dance studio she won from the haunting of its late owner.

Memorable quotes
Daphne: Jeepers! It's... Mystery Inc.: Famous dancer, cheographer, and actress, Maddie Ziegler.

Madame Zobrinsky: And I would never have gotten away with it, if it weren't for hard work and dedication of Maddie Ziegler! Oh, and you meddling kids, too.

Characters

 * style="background-color:#d2d2ff"| Maddie Ziegler
 * style="background-color:#aaffaa"| Herself
 * style="background-color:#d2d2ff"| Joe
 * style="background-color:#aaffaa"| Matthew Lillard
 * style="background-color:#d2d2ff"| Moving man #2
 * style="background-color:#aaffaa"| Frank Welker
 * style="background-color:#d2d2ff"| Ghost of Madame Zobrinsky
 * style="background-color:#aaffaa"| Grey Griffin
 * style="background-color:#clear"| Fred Jones
 * style="background-color:#clear"| Frank Welker
 * style="background-color:#clear"| Velma Dinkley
 * style="background-color:#clear"| Kate Micucci
 * style="background-color:#clear"| Shaggy Rogers
 * style="background-color:#clear"| Matthew Lillard
 * style="background-color:#clear"| Scooby-Doo
 * style="background-color:#clear"| Frank Welker
 * style="background-color:#clear"| Daphne Blake
 * style="background-color:#clear"| Grey Griffin
 * style="background-color:#d2d2ff"| Mail carrier
 * style="background-color:#aaffaa"| Grey Griffin
 * style="background-color:#d2d2ff"| City official
 * style="background-color:#aaffaa"| Kari Whalgren
 * style="background-color:#clear"| Bobby cop
 * style="background-color:#clear"| Kari Whalgren
 * style="background-color:#d2d2ff"| Old woman
 * style="background-color:#aaffaa"| Unavailable
 * style="background-color:#d2d2ff"| Mugger
 * style="background-color:#ffff00"| N/A
 * style="background-color:#d2d2ff"| Astronaut
 * style="background-color:#aaffaa"| Kari Whalgren
 * style="background-color:#d2d2ff"| Alien
 * style="background-color:#aaffaa"| Unavailable
 * style="background-color:#d2d2ff"| Madame Zobrinsky
 * style="background-color:#aaffaa"| Grey Griffin
 * style="background-color:#clear"| Bobby cop
 * style="background-color:#clear"| Kari Whalgren
 * style="background-color:#d2d2ff"| Old woman
 * style="background-color:#aaffaa"| Unavailable
 * style="background-color:#d2d2ff"| Mugger
 * style="background-color:#ffff00"| N/A
 * style="background-color:#d2d2ff"| Astronaut
 * style="background-color:#aaffaa"| Kari Whalgren
 * style="background-color:#d2d2ff"| Alien
 * style="background-color:#aaffaa"| Unavailable
 * style="background-color:#d2d2ff"| Madame Zobrinsky
 * style="background-color:#aaffaa"| Grey Griffin
 * style="background-color:#d2d2ff"| Alien
 * style="background-color:#aaffaa"| Unavailable
 * style="background-color:#d2d2ff"| Madame Zobrinsky
 * style="background-color:#aaffaa"| Grey Griffin
 * style="background-color:#aaffaa"| Grey Griffin

Organizations

 * Mystery Incorporated

Locations

 * United States
 * Pennsylvania
 * Pittsburgh
 * Madame Zobrinsky Dance Studio
 * Pittsburgh Travel Agency
 * Ohio (mentioned)
 * Russia (set piece)
 * England
 * London
 * Tower Bridge
 * The Moon (set piece)
 * Space

Objects

 * Nothing of importance

Vehicles

 * The Mystery Machine

Development
It was copyrighted in 2019.

Music
The theme song, entitled "Scooby-Doo, Where Are You?", was written by Chris Bailey, and performed by David Poe. It was produced by Vivek Maddala. The episode's main music was performed by Steven Morrell.

Release
The American premiere occurred via the Boomerang video subscription on-demand service on July 2, 2019, then in the United Kingdom & Ireland premiere on the Boomerang TV channel on October 4, 2020. In Australia, where they also have the Boomerang TV channel, it premiered on June 5, 2020, then in Canada, it premiered on Teletoon on August 12, 2020.

Behind the scenes

 * With every episode's title card, one of the gang announces the guest star, which is Daphne this time.
 * How many times does Velma say, "Jinkies"? Twice.
 * How many times does Velma say, "Jeepers"? Twice.
 * Joe's credited as "Moving man 1."

Errors

 * When the Mystery Machine first appears, Fred is the only one sitting in it.
 * Why Daphne knows Maddie, is never explained.
 * Why would Fred refer to the fact that the gang are teenage mystery solvers when Maddie is a teenager herself.
 * Madame Zobrinsky is credited as Madame Zorbinsky.