The It's Always Sunny in Philadelphia cast has thoughts on the worst things the gang has ever done, though some of their answers are a little out of left field.

T he new trailer for It's Always Sunny in Philadelphiaseason 17 reveals that an OG character will return after breaking his multi-season appearance streak. As the longest-running live-action ...

The actors discuss playing best friends and roommates on FX's long-running comedy, which kicks off its 17th season Wednesday, and why "whenever Charlie does something, it titillates Frank." ...