It's Always Sunny in Philadelphia season 4

The fourth season of the American television sitcom series It's Always Sunny in Philadelphia premiered on FX on September 18, 2008. The season contains 13 episodes and concluded airing on November 20, 2008.

Cast

Main cast

Charlie Day as Charlie Kelly
Glenn Howerton as Dennis Reynolds
Rob McElhenney as Mac
Kaitlin Olson as Deandra "Dee" Reynolds
Danny DeVito as Frank Reynolds

Recurring cast

Mary Elizabeth Ellis as The Waitress
David Hornsby as Cricket / Colonel Cricket
Artemis Pebdani as Artemis

Episodes

Reception

The fourth season received positive reviews. On Rotten Tomatoes, it has an approval rating of 100% with an average score of 7.4 out of 10 based on 13 reviews. The website's critical consensus reads, "The Dayman defeats the Nightman and all is Sunny in Philadelphia with this uproariously nasty fourth season."