Trivia

The character Del Chillman also appeared in Scooby-Doo and the Loch Ness Monster (2004).

This was the last Scooby-Doo project created and produced by Joseph Barbera before his death on December 18, 2006.

Casey Kasem was a radio DJ before playing Shaggy in Scooby Doo, Where Are You! (1969). When Shaggy substitutes for Del, he uses Kasem's original manner of orating.

Dedicated to Iwao Takamoto, designer of the Scooby Doo, Where Are You! (1969) characters.

According to the comic book adaptation, Professor Jeffries' first name is Robinson.