In a two-part all-action, all adventure and part-time comedy special, many of the greatest superheroes of the DC Comics pantheon team up to take down some of their long-running enemies, then stop for a celebrity roast held in honor of Batman.

The adventures of many of DC Comics greatest superheroes and villains. In the first episode, "The Challenge," the superheroes must race against time to stop the diabolical super-villains' plot to destroy the world. In the second episode, "The Roast," the superheroes pay tribute to Batman and Robin in the form of a roast which even the villains attend.