The Wizard of Oz

The Wizard of Oz is a movie about a girl named Dorothy being sent to the land of Oz due to a tornado, where she meets the Tin Man, Cowardly Lion, and the Scarecrow. She also has to defeat the Wicked Witch of the West and ask the titular Wizard to take her home back to Kansas.

Scooby-Doo and Scrappy-Doo (second series)
Insert details here. (Scooby's Trip to Ahz)

Scooby-Doo and the Witch's Ghost
Shaggy Rogers threw a bucket of water the real ghost of Sarah Ravencroft hoping it would melt her away as Dorothy did to the.

Season two
A girl dressed as Dorothy, a guy dressed as the Tin Man, and another guy dressed as the Cowardly Lion went to the Halloween party held in Banning Junction Town Hall, where they mistook a scarecrow robot as their friend, Carl, who was supposed to meet them at the snack table.

Scooby-Doo! Pirates Ahoy!
Similar or the same trio of people were at the masquerade party on the Poseidon cruise ship.

Appearances

 * Scooby-Doo and Scrappy-Doo (second series)
 * 211(c). Scooby's Trip to Ahz
 * What's New, Scooby-Doo?
 * 206. (fancy dress people)
 * DTV10. (fancy dress people)