The 8th movie in the Star Wars series.. or 9th, if you count the holiday special, is not an episode! Or is episode 3 and a half. Either way, it is the film version of the text from the original movie, where rebels steal the plans to the Death (click article) Star. Of course, the text left out that (blog post) part about the ninja and the supernukes...
Source: Rogue One Movie Review - Decker Shado