It'll be a busy October for FX as the new seasons of "It's Always Sunny in Philadelphia," "The League," "American Horror Story: Asylum" and "Brand X" kick off new episodes.

"Sons of Anarchy" and "The Ultimate Fighter" return Sept. 11, 10 p.m. ET and Sept. 14, 9 p.m. ET, respectively.

Season 8 of "It's Always Sunny" begins Thurs., Oct. 11 at 10 p.m. ET, followed by the Season 4 premiere of "The League" at 10:30 p.m. ET. During the new season of "It's Always Sunny," look for the gang to go to therapy, hunt for Nazi treasure and face-off against the trash collectors.

Russell Brand's "Brand X" returns for seven additional episodes on Thurs., Oct. 11 at 11 p.m. ET.

"American Horror Story: Asylum" premieres Wed., Oct. 17 at 10 p.m. ET. The new season, set in 1964, stars Jessica Lange, Sarah Paulson, Evan Peters, Lily Rabe, Zachary Quinto, James Cromwell, and Joseph Fiennes. Adam Levine, Chloe Sevigny and more famous faces will also pop up during the new season set in an insane asylum. Look for Nazis, aliens and naughty nuns to bring the scares this season.

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