Day One was a planned NBC sci-fi television series about apartment residents that survive an unknown worldwide cataclysm, that destroys modern infrastructure. The pilot was directed by Alex Graves, who previously directed the pilot episodes for the Fox TV series Fringe and Journeyman. According to NBC's Angela Bromstad, the show was originally expected to fill the Heroes time slot after the 2010 Olympics. It has been reported since that the show will never air.