

S03E10
Mac is a Serial Killer
Aired October 18, 2007
Free, with no ads. Tick off what you watch and see what airs next.
Summary
After Mac arrives to the bar with scratches on his neck and exhibiting strange behavior, Frank comes to the conclusion that he is the serial killer terrorizing young women in Philadelphia. Frank sets out with his trusty chainsaw and a doubtful Charlie to find evidence to implicate Mac in the murders. In search of another suspect, Dennis and Dee do a little role-playing in order to help themselves better understand who they might be dealing with.
TV Binge Diary
Keep track of It's Always Sunny in Philadelphia
- See what airs next, in your own time zone.
- Tick off episodes and films as you watch.
- Rate them, keep lists, and keep the record. Private by default.
