Too Many Dummies!
When Scooby and the gang are hired to escort a possessed ventriloquist dummy, they meet up with the two judges of the competition, Jeff Dunham and Darci Lynne Farmer and the possessed dummy attacks the competition.
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More from this season
S1 E14
The Nightmare Ghost of Psychic U!
While driving through snowy mountains, Mystery Inc. comes across a remote university where they meet Whoopi Goldberg, who is a student at the university.
S1 E15
The Sword, the Fox, and the Scooby-Doo!
While in Japan, the gang run into Mark Hamill, who's having a class reunion. A mystery presents itself when a fox monster kidnaps one of Hamill's old teachers.
S1 E16
One Minute Mysteries!
Shaggy and Scooby try to find some time to eat with their pal Barry Allen (aka the Flash).
S1 E17
Hollywood Knights!
Mystery Inc. meet George Takei while exploring the Hollywood Hills' most haunted historic building. While there, they also run into a ghostly knight.