Barbara Gordon, the secret super hero Batgirl, has been invited to the biggest Halloween party of year. Unfortunately, she already agreed to spend the night with Robin, her younger crime-fighting partner. Instead of arguing with her mentor, Batman, Barbara decides to bring Robin along. That night, the teens arrive at the costume party, hosted by an eccentric collector of Halloween artifacts. Suddenly, all of the lights go out! When they turn on, his...

In the dead of winter, fear is spreading through GOTHAM like a flu virus. Hundreds of residents have gone mad with fright, and dozens more are affected each day. Fortunately, BATMAN and his teenage partner, BATGIRL, are on this medical case. And soon, the root of the problem is revealed. SCARECROW, the DARK KNIGHT'S most frightful foe, has taken over a dentist's chair, and is gassing patients with his evil fear toxin. If he isn't stopped soon, the...

The evil Kraang travel across dimensions to attack Gotham City. The Teenage Mutant Ninja Turtles arrive to help Batman and his sidekicks stop them. But can the two teams of heroes stop the inter-dimensional danger in time?

When a spooky yeti attacks the ice rink with a freeze ray, the Dynamic Duo and the Mystery Inc. gang team up to unmask the frozen fiend before all of Gotham City gets put on ice.

When an uncharted island springs up in Gotham City Harbor, Batman and Mystery Inc. join forces to uncover who created the tropical paradise, but soon find themselves under attack by a host of vile vegetation and prehistoric plants.