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When the Mystery Inc. gang gets lost in the Pocono Mountains of Pennsylvania, they stumble into Psychic University. Here they meet Whoopi Goldberg, and a nightmare ghost who attacks the school and seems to want to destroy all the students.
When our mystery solving gang is driving in Japan, they are stopped by actor Mark Hamill. He's in town for a high school reunion, but a terrible Fox Monster has attacked the reunion and kidnapped one of Mark's favorite old teachers.
Barry Allen/The Flash decides to help our Mystery Solvers by solving their mysteries Flash-style, so quickly our gang can't keep up. Our gang love and respect the Flash, but they have a very specific way they like to solve mysteries.
When Scooby and the gang go investigate a haunted mansion in the Hollywood Hills, they meet up with George Takei. He's hoping to save an abandoned mansion, but an old suit of armor comes alive and chases them all over the spooky estate.
Scooby enters Shaggy into a poetry slam contest in Central Park with famous singer-songwriter Halsey, when poetry slam is attacked by a horrible gator-man-monster from the NYC sewers below!
When Scooby and the gang are in Sicily, they’re chasing a fire monster! They're surprised to meet up with famous actor Steve Buscemi. His ancestors are from this area, and he has a lot of cousins in town and was just visiting.
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!
When famous dancer Maddie Ziegler wins an old, haunted dance studio in a competition, she asks her friend Daphne Blake and her mystery solving friends to help her investigate the place.
Scooby and the gang of mystery solving teens have been invited by famous comedian Jeff Foxworthy to help him move an old mansion that he’s just purchased. But, they find out the mansion is haunted by the ghost of an old witch.
When Scooby and the gang accept an invitation from famous actor Malcolm McDowell to take an exploratory trip through time, they find themselves actually traveling into the future.
When Daphne’s makeup vlog lands her as the prime consultant to the famous rock band, the Hex Girls, our gang find themselves embroiled in a rockin’ mystery involving a cursed guitar that seems to control people’s minds.
When the gang teams up with Christian Slater, they find themselves at a redo prom for Christian's classmates to make up for the one they were deprived of when a horrible Wolfman appeared all those years ago.
When Neil deGrasse Tyson gets trapped on the International Space Station with a horrible monster, Bill Nye arrives to save his good friend with the help of Velma and our mystery solving gang.
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