Scooby-Doo!: The Great Mystery of WOOHP

 is the twenty-eighth in a series of direct-to-video films based upon Hanna-Barbera's Scooby-Doo Saturday morning cartoons, and also based on the cartoon series, Totally Spies. It was released on DVD and Digital HD on February 20, 2019.

Characters
Main characters:
 * Mystery Inc.
 * Scooby-Doo
 * Shaggy Rogers
 * Fred Jones
 * Daphne Blake
 * Velma Dinkley

Other characters: Villains:
 * The W.O.O.H.P. Agents
 * Sam
 * Alex
 * Clover
 * Ice Solina
 * Jazz Hands
 * Logan Jay
 * Dr. Grey
 * Stacy
 * Granny
 * The Hooded Crook
 * Muffy Peprich
 * Yves Mont Blanc
 * Shirley
 * Violet Vanderfleet
 * Vanity
 * Willard
 * Manny Wong

Locations

 * Beverly Hills
 * Mali-U
 * WOOHP

Objects

 * Pizza
 * Cupcakes
 * Burgers
 * WOOHP gadgets

Vehicles

 * Mystery Machine
 * WOOHP car

Notes/trivia

 * The Spies recall many of their adventures from several episodes
 * W.O.W.
 * Evil Pizza Guys
 * Totally Mystery Much?
 * Ski Trip
 * Evil Heiress Much?
 * Evil Ice Cream Man Much?
 * Return of Geraldine
 * WOOHPersize Me!

Home media

 *  (DVD) DVD released by Warner Home Video on February 20, 2019.