FX has announced premiere dates for its three original series Sons of Anarchy, It's Always Sunny in Philadelphia and The League, as well as opening night for new crime comedy-drama Terriers.

Critically acclaimed, criminally under-Emmy-nominated biker drama Sons of Anarchy, which stars Ron Perlman and Katey Sagal, returns for its third season on September 7 at 10pm.

It's Always Sunny in Philadelphia kicks off its outrageous sixth season on September 16, with fantasy football comedy The League beginning its sophomore season that night at 10:30pm.

Shawn Ryan's (The Shield) new show Terriers will hit FX for its very first episode on September 8 at 10pm. The crime comedic drama stars Donal Logue (The Tao of Steve) and Michael Raymond-James (True Blood), and centers on an ex-cop who starts a private detective agency with his best friend. Terriers is slated for 13 episodes this fall.

Watch the latest teaser for Terriers: