Scooby-Doo and the Mystery Inc. gang meet up with Batman and other friends to defeat evil villains and save the day.

When a hulking monster arrives on Earth and begins a mindless rampage, the Justice League is quickly called in to stop it. But it soon becomes apparent that only Superman…

Batman, Batgirl and Robin forge an alliance with the Teenage Mutant Ninja Turtles to fight against the Turtles’ sworn enemy, The Shredder, who has apparently teamed up with Ra’s Al…