IT’S ALWAYS SUNNY IN PHILADELPHIA “The Gang Gives Frank an Intervention” Season 5 Episode 4 October 7, 2009 It's Always Sunny In Philadelphia IT’S ALWAYS SUNNY IN PHILADELPHIA “The Gang Gives Frank an Intervention” Season 5 Episode 4 which airs on Thursday Oct 8 at 10pm on FX. Episode Synopsis: IT’S ALWAYS SUNNY IN PHILADELPHIA “The Gang Gives Frank an Intervention” Season 5 Episode 4 – When Franks reckless lifestyle becomes an inconvenience for the gang, they call for an intervention. Watch any It’s Always Sunny in Philadelphia episodes here. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)