Warner Bros. TV is in very early development on a TV series based on the hit 2006 Warner Bros. action movie #300, sources tell Deadline. Storyline or plot details are not known, but it is believed to be a prequel to the film. Deals are not yet in place, but sources say the project is eyeing a reunion of #ZackSnyder and Deborah Snyder with the ‘300’ production team. Full story online. Link in bio.