The team is back and just as courageous, adventurous, humorous and obsessed with cases as they were before. As they investigate a range of mysteries, they are joined by celebrities who help them.
Quit Clowning!; Shaggy and Scooby take the gang to meet their good friend actor and comedian Kenan Thompson.
The Nightmare Ghost of Psychic U!; When the Mystery Inc. gang gets lost in the Pocono Mountains of Pennsylvania they stumble into Psychic University well off the beaten track.
Starring Mark Hamill! Driving in Japan, the gang are stopped by the famous actor, who's in town for a school reunion. But one of the teachers is at risk - can they save the day?
Starring The Flash! Scooby and Shaggy's eating buddy Barry Allen - The Flash - is sad about their interrupted food-fests, so he decides to solve mysteries Flash-style!
When Scooby and the gang investigate a haunted mansion in the historic Hollywood Hills, they meet up with famous actor George Takei.
Starring Halsey! Shaggy is going up against the famous singer-songwriter at a poetry slam contest in Central Park... when a sewer monster attacks!
When Scooby and the gang are chasing a fire monster in Sicily, they are surprised to meet up with famous actor Steve Buscemi. S1 Ep20
Scooby and the gang are hired to escort a supposedly possessed ventriloquist dummy to the annual Ventriloquist Talent Competition. S1 Ep21
When famous dancer Maddie Ziegler wins an old and haunted dance studio in a competition, she asks her friend Daphne to investigate it. S1 Ep22
Scooby and the gang are invited by famous comedian Jeff Foxworthy to help him move into an old mansion that is haunted by a witch's ghost. S1 Ep23
When Scooby and the gang accept an invitation from famous actor Malcolm McDowell to take a trip through time, they end up in the future! S1 Ep24
Starring Neil DeGrasse Tyson & Bill Nye! When the famous astrophysicist gets trapped on the International Space Station with a monster, his engineer friend arrives to save him!