A serial killer is on the loose, and he's targeting young, attractive blondes. Fortunately, Dee should be safe. But, Mac sure has been acting strange lately. Danny DeVito stars in the outrageous comedy "It's Always Sunny in Philadelphia."

Channel:
Taxi, Mac, Gang, Always, Sunny, Philadelphia, fx, pub, philly, its, devito, sunnys, paddy's, "Mac is a Serial Killer", comedy