It is an American sitcom that premiered on August 2005 on FX and the new episodes were moved and aired on FXX while the reruns play on Comedy Central. The creator of the show was Rob McElhenney, who was also the producer along with Glenn Howerton and Charlie Day, all of whom who star the show.
It's Always Sunny In Philadelphia was rated TV-MA due to strong, explicit language including ethnic and racial slurs, sexual content: nudity and references to sex, crude humor about abortion, suicide, racism and death, comic violence and scenes of drug abuse.
The show also received nominations over the years for various awards such as People's Choice Award, Primetime Emmy Award and Satellite Award. Last 2011, the show won the Satellite Award for the Best Television Series: Comedy or Musical category.