By Lynette Rice
Updated June 30, 2009 at 12:00 PM EDT

FX has announced the return dates for three of its returning series, including the fifth season debut of It’s Always Sunny in Philadelphia and the start date for the penultimate season of Nip/Tuck. Sunny, starring Danny DeVito and Rob McElhenny, will bow Sept. 17 and run for 12 weeks; Nip/Tuck, featuring Julian McMahon and Dylan Walsh, returns in October for 10 weeks. Sons of Anarchy,starring Ron Perlman, is back on Sept. 8 for 13 weeks.

FX will also debut a yet-to-be-announced new comedy to air with Sunny this fall.