1 year after the show was cancelled, it was brought back in a digital comic book series called Revolution: Endgame. There were 4 chapters, to wrap up the series big questions that were left from the show.
Some of the episode names in the first season are Led Zeppelin song titles, such as: Kashmir, Nobody's Fault But Mine, The Song Remains The Same & No Quarter
The season 1 episodes The Stand and The Dark Tower, and season 2 episode Dreamcatcher are all named after Stephen King novels. Additionally, Captain Trips is a reference to The Stand.
The titles for a large number of episodes are taken from popular fiction 'Patriot Games', music 'Kashmir' or movies 'Children of Men'.