Videos: Trailers, Teasers, Featurettes
The ninth season of It's Always Sunny in Philadelphia, premiered on FXX on September 4, 2013. This season consisted of 10 episodes, and concluded airing on November 6, 2013.
Streaming, rent, or buy It's Always Sunny in Philadelphia – Season 9:
Currently you are able to watch "It's Always Sunny in Philadelphia - Season 9" streaming on Netflix or buy it as download on Apple iTunes, Google Play Movies, Amazon Video, Microsoft Store.