It's time for the annual Hero of the Year ceremony and the students of Super Hero High compete for the top prize. But the festivities take a turn when Dark Opal targets the heroes and steals some of their most valued possessions to form the ultimate weapon! It's up to the students at Super Hero High to spring into action! But can Wonder Woman, Supergirl, Batgirl and Bumblebee stop Dark Opal- and his mysterious partnerin- crime -to save the day?

Siren steals the Book of Legends in order to locate the Trident of Atlantis and rule the entire ocean.

Scooby-Doo and his pals win an all-expense paid vacation and embark on a trip of a lifetime to a tropical paradise. Their destination however, turns out to be Zombie Island. As soon as they arrive, they realize the place looks strangely familiar and is reminiscent of a trip they took years ago, in which they became wrapped up in a mystery involving zombies. The gang soon learns that their trip to paradise comes with a price when the zombies re-emerge and attack their hotel. Will Scooby-Doo and the Mystery Inc. gang finally solve the mystery behind Zombie Island?

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.

Super Hero High is facing off against Korugar Academy in the Intergalactic Games, but Lena Luthor takes advantage of the gathering of Supers to enact her villainous plan.

With Mystery, Inc. on the tail of a strange object in Nowhere, Kansas, the strange hometown of Eustice, Muriel, and Courage, the gang soon find themselves contending with a giant cicada monster and her winged warriors.