Mumu

After losing their university jobs, three parapsychologists start a ghost-catching business in New York City and uncover a supernatural threat that could destroy the world.

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.

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.

Recently orphaned, a young boy is taken in by his godmother who is shocked to realize that she can see the boy's imaginary friend: a flamboyant, French magician named Bogus.