
Season 10
Overview
The tenth season of It's Always Sunny in Philadelphia, premiered on FXX on January 14, 2015. This season consisted of 10 episodes, and concluded airing on March 18, 2015.
Episodes

1. The Gang Beats Boggs
2015-01-14
Mac oversees the gang while they compete to break Wade Boggs’ legendary beer drinking record.

2. The Gang Group Dates
2015-01-21
The gang gets into the online dating scene to expand their matchmaking potential.

3. Psycho Pete Returns
2015-01-28
When Psycho Pete, long lost member of the freight train, is released from the mental hospital, Dennis and Dee rush to get him recommitted while Charlie and Mac attempt to restore him to his former hard-partying form.

4. Charlie Work
2015-02-04
Charlie goes into overdrive when he's notified that the health inspector will be arriving that day. Meanwhile, the rest of the gang is trying to exploit a flaw in the air-miles reward system.

5. The Gang Spies Like U.S.
2015-02-11
Dennis and Mac enlist Dee to spy on the fish factory across the street, Charlie and Frank grow suspicious and decide to do some spying of their own.

6. The Gang Misses the Boat
2015-02-18
The group separates from one another to find out who they are as individuals after another failed endeavor.

7. Mac Kills His Dad
2015-02-25
News surfaces about Mac's Dad, Luther, being a murder suspect. Mac goes into full "P.I." mode to clear his father of any wrong doing.

8. The Gang Goes on Family Fight
2015-03-04
When the gang appears on a nationally broadcasted game show, Dennis does his best to keep the gang’s weirdness under wraps.

9. Frank Retires
2015-03-11
Frank decides to retire; the foursome begin to plot and plan ways for each of them to take control of the bar.

10. Ass Kickers United: Mac and Charlie Join a Cult
2015-03-18
"Asskickers" isn't just a hot new way to work out; it's a way of life...and maybe a cult.