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The Mystery Inc. gang solve bigger mysteries while also encountering many memorable celebrities.

Scooby-Doo and the Mystery, Inc. gang are launched into the 21st century, with new mysteries to solve.

Everyone’s favorite mystery-solving Great Dane is here to find clues, along with a little help from his energetic nephew and four human companions.

12-year-old Griffin Campbell and his family move to the small town of Sulphur Springs and take ownership of an abandoned hotel rumored to be haunted by the ghost of a girl who disappeared decades ago. Griffin befriends Harper, a bright-eyed, mystery-obsessed classmate and together, they uncover a secret portal that allows them to travel back in time. In the past, they’ll attempt to uncover the key to solving this unsolved mystery, a mystery that affects everyone close to them.

Fred, Daphne, Velma, Shaggy, and the talking dog, Scooby-Doo, travel on the Mystery Machine van, in search of weird mysteries to solve.

The gang decide to go traveling in the Mystery Machine, seeking fun and adventure during what could possibly be their last summer break together. However, havoc-wreaking monsters seem to be drawn to them, appearing almost every stop of the way.

This incarnation of the popular cartoon series finds Scooby and the gang living in Crystal Cove, a small town with a long history of ghost sightings, monster tales and other mysteries ripe for the sleuths to solve once and for all. But the longstanding Crystal Cove residents, who bank on the town's reputation to attract tourists, are prepared to do what it takes to protect their turf.

The world's favorite chicken-hearted canine, as a puppy? That's right! And the old gang is back with him. Shaggy, Daphne, Velma, and Freddy are all here as gangly kids — goofing off, solving kid-size mysteries, and having run-ins with ghouls, ghosts, and goblins.

Dr Lucien Blake left Ballarat as a young man. But now he finds himself returning to take over not only his dead father's medical practice, but also his on-call role as the town's police surgeon, only to find change is afoot, nothing is sacred, and no one is safe.

The world's greatest thief, Carmen Sandiego, leaves cryptic clues while committing near-impossible thefts, such as the space shuttle, the roof of the Taj Mahal, and Paul Revere's horseshoe. On her trail are teen detective duo (and occasionally feuding siblings) Zack and Ivy.

Aside from doubling the length of each episode, The New Scooby-Doo Movies differed from its predecessor in the addition of a rotating special guest star slot; each episode featured real-life celebrities or well known fictional characters joining the Mystery, Inc. gang in solving the mystery of the week. Some episodes, in particular the episodes guest-starring the characters from The Addams Family, Batman, and Jeannie, deviated from the established Scooby-Doo format of presenting criminals masquerading as supernatural beings by introducing real ghosts, witches, monsters, and other such characters into the plots.

The series takes place in Cyberspace, a virtual world, and chronicles the adventures of three children, Jackie, Inez, and Matt, as they use math and problem solving skills to save Cyberspace and its leader, Motherboard, from The Hacker, the villain.