The gang will do whatever it takes to see the hottest action movie of the summer, Thunder Gun Express, before it leaves theaters. But with the President's visit to Philly jamming up the roadways, the gang will have to act faster, smarter and more Thunder Gunnery than ever! This all new Season 7 episode of It's Always Sunny in Philadelphia airs December 2nd, only on FX. Check out the promo below.