The DC Animated Universe is a shared universe centered on a group of animated television series based on DC Comics and produced by Warner Bros. Animation. It began with Batman: The Animated Series in 1992 and ended with Justice League Unlimited in 2006. The associated media franchise also includes theatrical and direct-to-video feature films, as well as shorts, comic books, video games, and other multimedia adaptations.

The Flash is the name of several superheroes appearing in American comic books published by DC Comics. Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in Flash Comics #1. Nicknamed "the Scarlet Speedster", all incarnations of the Flash possess "superspeed", which includes the ability to run, move, and think extremely fast, use superhuman reflexes, and seemingly violate certain laws of physics.