"Brave New World" is the eighteenth and final episode of the fourth season of the NBC superhero drama series Heroes, and the seventy-seventh and final episode overall. With the show's cancellation three months later, this episode serves as the de facto series finale, although the Heroes world would return in the miniseries Heroes Reborn five years later. The episode aired on February 8, 2010. It marked the end of the Redemption volume, as well as the series as the show was cancelled on May 14, 2010 by NBC. It ended with a brief introduction to what would have become the next volume, also entitled Brave New World.