Scooby-Doo! The Mystery Begins (2009)

Mystery Inc. withdraws from solving crimes after botching a case. When Vincent Van Ghoul contacts the gang about an unfinished investigation from Daphne, Shaggy and Scooby's past, the gang springs into action to finish the job that involves catching the 13th Ghost that escaped from the Chest of Demons and is still at large.

Casper is a kind young ghost who peacefully haunts a mansion in Maine. When specialist James Harvey arrives to communicate with Casper and his fellow spirits, he brings along his teenage daughter, Kat. Casper quickly falls in love with Kat, but their budding relationship is complicated not only by his transparent state, but also by his troublemaking apparition uncles and their mischievous antics.

Topper is once again tormented by a fun-loving spirit. This time, it's Gail Richards, accidentally murdered while vacationing at the home of her wealthy friend, Ann Carrington, the intended victim. With Topper's help, Gail sets out to find her killer with the expected zany results.

Mystery Inc. has cracked the case to top all cases! They’ve tracked down Coco Diablo, the head of a notorious costume crime syndicate. With Coco and her kitty in prison, Mystery Inc. thinks that they can finally enjoy a break. Wrong! Suddenly, menacing doppelgänger ghosts of the Scooby crew and favorite classic foes show up in Coolsville to threaten Halloween. Now it’s up to the meddling kids to unmask the latest scoundrel and save Halloween!

After discovering she can see everyone's imaginary friends, a girl embarks on a magical adventure to reconnect forgotten imaginary friends with their kids.

An evil sorceress transports the gang back to the age of chivalrous knights, spell-casting wizards, and fire-breathing dragons.

When Toaster and the gang spark friendships with the playful animals at the veterinary hospital, they soon discover their new pals are about to be sent to a testing laboratory.

Scooby-Doo and the gang are on the case when a mysterious lake monster starts scaring the guests at a summer resort in Erie Point, where Fred, Daphne, Velma and Shaggy have taken on seasonal jobs to pay for a barn they accidentally burned down. But in addition to sneaking suspicions, there's some romance in the air.

The nefarious Warwick the Warlock has returned from his astral imprisonment, and plans to make the final sacrifice for ultimate power - all he needs is the soul of a pure heart. The Buddies, alongside their new spectral friend Pip, race against the clock to defeat the sorcerer, who has enlisted the Halloween Hound to do his dirty work under the cover of the neighborhood festivities.

A young boy is scared of the monster under his bed. He asks his 6th grade brother to swap rooms for the night as a bet that the monster really exists. Soon the brother becomes friends with the monster and discovers a whole new world of fun and games under his bed where pulling pranks on kids and other monsters is the main attraction.

Manny has moved to a new school, and it's not easy to fit in. After wishing he had more friends, Manny finds a mysterious collar and puts it on Rufus, the family dog. Suddenly, Rufus turns into a boy! Manny's not sure what to do, so he enrolls Rufus in school. When the other students notice Rufus's silly dog antics -- chasing squirrels, eating without utensils, asking for belly rubs, and catching a soccer ball with his mouth -- he immediately becomes the most popular kid around. Manny is jealous of his new best friend but eventually learns that a dog's loyalty to his owner always comes first.

When a warlock threatens Wendy the Good Little Witch, she and her aunts hide out at a resort where Casper the Ghost is vacationing with his uncles. Although Casper and Wendy are told ghosts and witches don't get along, the two are kindred spirits! This spooky family-friendly adventure finds Casper and Wendy bridging the ghost-witch divide to battle the warlock who is intent on destroying Wendy.

Tony, a thirteen-year-old boy on vacation in rural Germany, is fascinated by the idea of vampires. Meanwhile Rudolph, a vampire of "similar" age (313!), encounters trouble when his clan is threatened by a dangerously obsessed hunter. Fate brings these two boys together, as Tony & Rudolph set off an action-packed battle to stop the villain, save Rudolph's family and learn the power of friendship.

Scooby-Doo and the Mystery Gang visit Oakhaven, Massachusetts to seek strange goings on involving a famous horror novelist and his ancestor who is rumored to have been a witch.

When the Scooby gang visits a dude ranch, they discover that it and the nearby town have been haunted by a ghostly cowboy, Dapper Jack, who fires real fire from his fire irons. The mystery only deepens when it’s discovered that the ghost is also the long lost relative of Shaggy Rogers!

Hubie Dubois, despite his devotion to his hometown of Salem, Massachusetts (and its legendary Halloween celebration), is a figure of mockery for kids and adults alike. But this year, something really is going bump in the night, and it’s up to Hubie to save Halloween.

A group of senior sleuths passionate about solving cold cases get plunged into a real-life murder mystery in this comic crime caper.

The gang goes on a trip to check on Velma's younger sister, Madelyn. She's been studying stage magic at the Whirlen Merlin Magic Academy, where apparently there have been sightings of a giant griffin. The gang decides to investigate.