Goof: When Shaggy, Scooby, and Don Adams enter the area with the indoor pool, the pool is kidney-shaped. However, during and shortly after the scene in which the creature deflates the water toy that Scooby and Shaggy are fighting over, the pool appears rectangular in shape.
The alternate title to this episode is Scooby-Doo Meets Don Adams.
Lon Chaney and Lon Chaney Jr.
In this episode, the actor Lorne Chumley is a likely reference to the movie stars Lon Chaney and his son, Lon Chaney Jr. who were famous for portraying various characters in horror films. Lon Chaney is best known for his portrayal of the Phantom the 1925 version of The Phantom of the Opera and his son, Lon Chaney Jr., is best known for his portrayal of Larry Talbot in The Wolf Man (1941).
Tennessee Tuxedo and His Tales
Lorne Chumley could also be a reference to Chumley, the walrus sidekick of Don Adams' penguin character, Tennessee Tuxedo, in the animated series that ran from 1963-66.