It's a well-known fact that Halloween is Scooby's and Shaggy's favorite holiday. Why? Because it's the one day out of the year when the monsters are guaranteed to be fake (plus, there's free candy everywhere!) But, this year, their sweet holiday turns sour when the Spookiest monster they have ever met starts knocking on doors and scaring everybody out of town! Now it's up to Scooby and his pals to solve the mystery of this terrifying trick-or-treat...

With hundreds of cases solved and adventures shared, Scooby and the gang face their biggest, most challenging mystery ever. Discovering that Scooby has a secret legacy and epic destiny, Shaggy remembers how he met the puppy and how Mystery, Inc. was formed.

Fred, Daphne, Velma, Shaggy, and Scooby-Doo go to Mexico to visit Fred's computer pen pal and to celebrate the Day of the Dead festivities, which become less festive when a towering, glowering Chupacabra monster turns up to terrify both tourists and locals. The young snoops smell a conspiracy, and as they chase down clues their search for the truth leads them into sundry Mexican antiquities - ancient tombs and temples - where danger increases exponentially....

The gang abandons their plans for a relaxing vacation when a scaly sea serpent surfaces.

Sam Steele Jr. wants to be a detective just like his father, so when summer vacation starts he turns his clubhouse into the headquarters for the Junior Detective Agency. When a mysterious burglar known only as the Cat rampages through the town, Sam Jr. decides to take on the Cat himself. With only the help of his friend Emma and her dog, Sam Jr. finally tracks down the Cat for one final faceoff.

Count Dracula transforms Shaggy into a fuzz-faced werewolf and there's only one way he will change him back. Scooby-Doo and Shaggy must win a creepy cross-country race against a hot-rodding horde of sinister celebrity monsters.

In the first adventure based on the novels about the world's most famous kid detectives, the Three Investigators follow an invitation to South Africa, where they are sucked into a journey that has them risking their lives. Uncovering the true secret of Skeleton Island will prove to be the most adventurous and dangerous case the Three Investigators have ever had.

"In the late nineteenth century, Mack, a heroic outlaw who stole from the rich to give to the poor, was loved and respected by the people. When the world's greatest dog-tective, Sherlock Holmes, assisted in catching Mack, the people were angry with him for arresting their hero! But four years later, Mack has escaped from prison. While Sherlock is on the case to recapture Mack, he discovers the heartbreaking reason behind the outlaw's escape, and decides...

Junior detectives Ricky and David Hill are part of a family that loves a good mystery, along with their mother Amy and their dad Steven who hosts a popular mystery show. They stumble upon Murphy, the whacky canine from A Doggone Christmas and A Doggone Hollywood, and team up to help him unravel the mystery behind his telepathic talents. The adventure continues as they find themselves entangled in a world of UFOs, government conspiracies and secret...

Futuristic robots, crazy gadgets and the brightest students of tomorrow are common sights at Ridge Valley High. Home to their newest student, the smart and capable Daphne Blake and her online bestie, the tech-savvy hipster Velma Dinkley. But not everything is as innocent as they seem on campus, as mysterious disappearances begin to plague the top-ranked students. Once cheery and full of life, kids are coming back lifeless and a shell of who they once...