Synopsis
The Mystery Inc. gang solve bigger mysteries while also encountering many memorable celebrities.
Trivia about Scooby-Doo and Guess Who?
The crew wanted to invite Michael Phelps to do an episode with Jabberjaw, but it was not produced due to him declining.
He stated: Jay liked the idea and the original concept of the show, but instead of celebrity guest stars, it was originally going to feature guests from other Hanna-Barbera shows, with potential guests including Jonny Quest and Frankenstein Jr. and The Impossibles.
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