简介：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.
简介：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.
