"The greatest mystery is how it all began."
Unjustly accused of staging a spooky practical joke complete with ghosts, Daphne, Velma, Fred and Shaggy are suspended from Coolsville High. To clear their names, they team up to solve the supernatural mystery…and head straight into nonstop laughs and adventure.
Nick Palatas
Shaggy
Hayley Kiyoko
Velma
Frank Welker
Scooby-Doo (voice)
Robbie Amell
Fred
Kate Melton
Daphne
Benita Ha
Mom
Shawn Macdonald
Principal Deedle
C. Ernst Harth
Janitor
Garry Chalk
Vice Principal Grimes
Unjustly accused of staging a spooky practical joke complete with ghosts, Daphne, Velma, Fred and Shaggy are suspended from Coolsville High. To clear their names, they team up to solve the supernatural mystery…and head straight into nonstop laughs and adventure.
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.
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.
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.
After discovering she can see everyone's imaginary friends, a girl embarks on a magical adventure to reconnect forgotten imaginary friends with their kids.
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.
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 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.
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!
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.
An evil sorceress transports the gang back to the age of chivalrous knights, spell-casting wizards, and fire-breathing dragons.