Mystery Inc. is summoned to investigate occurrences in a haunted villa, where a black knight terrorizes anybody who tries to get close to treasure hidden by the former owner of the building.

The gang find themselves in a tinsel-town twist! While on a VIP tour of the legendary Brickton Studios, Scooby and friends get a first-hand experience of the rumored hauntings when classic movie monsters drop in for a creepy casting call.

Earth, a shiny jewel floating in the blackness of space... and for the robot known as Brainiac, the last piece to capture for his collection of planets. Not if the Justice League has anything to say about it!

When Batman, claiming to be a loner, refuses to join the Justice League, he is drawn into working with them when they are kidnapped one-by-one and held prisoner by one of Batman's nemeses.