It's Always Sunny in Philadelphia · SEASON 3
Mac Is a Serial Killer
Episode 10 · 2007-10-18

- Comedy
Episode overview
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.
23 minutes
Season 3 episodes
1. The Gang Finds a Dumpster Baby2007-09-13
2. The Gang Gets Invincible2007-09-13
3. Dennis and Dee's Mom Is Dead2007-09-20
4. The Gang Gets Held Hostage2007-09-20
5. The Aluminum Monster vs. Fatty Magoo2007-09-27
6. The Gang Solves the North Korea Situation2007-09-27
7. The Gang Sells Out2007-10-04
8. Frank Sets Sweet Dee on Fire2007-10-04
9. Sweet Dee's Dating a Retarded Person2007-10-11
10. Mac Is a Serial Killer2007-10-18
11. Dennis Looks Like a Registered Sex Offender2007-10-25
12. The Gang Gets Whacked (1)2007-11-01
13. The Gang Gets Whacked (2)2007-11-01
14. Bums: Making a Mess All Over the City2007-11-08
15. The Gang Dances Their Asses Off2007-11-15