Missing 'Nip/Tuck'? Or 'Sons of Anarchy' or 'It's Always Sunny in Philadelphia'? All three FX dramas will return in the fall with new episodes, the cable network has announced. 'Sons of Anarchy,' starring Charile Hunnam, Katey Sagal and Ron Perlman, returns Sept. 8. at 10 p.m. The fifth season of 'It's Always Sunny in Philadelphia' begins Sept. 17 at 10 p.m. and will have a 12-episode run. 'Nip/Tuck' will return for its sixth season, which consists of 10 episodes, in October. It will be the series' penultimate season. 