The third season of It's Always Sunny in Philadelphia, premiered on FX on September 13, 2007. The season contains 15 episodes and concluded airing on November 15, 2007.

Season 3 Episode 1 - The Gang Finds a Dumpster Baby

Dennis joins up with an environmentalist group, but his altruistic intentions quickly sour when he's snubbed by the activists. Dee and Mac decide to raise a baby they find in the dumpster, but quickly find out that it's not nearly as fun as they thought it would be, and Frank and Charlie take the concept of recycling a bit too far. Air Date : 13th-Sep-2007  Read More

Season 3 Episode 2 - The Gang Gets Invincible

Mac, Dennis and Dee try out for the Philadelphia Eagles. Also interested in becoming an Eagle is Liam and Ryan McPoyle's brother, Doyle. Air Date : 13th-Sep-2007  Read More

Season 3 Episode 3 - Dennis and Dee's Mom Is Dead

After Barbara's death, Dee and Frank are unhappy to learn that she left them both out of the will, while Dennis inherits the mansion which he plans to turn into a party pad. Air Date : 20th-Sep-2007  Read More

Season 3 Episode 4 - The Gang Gets Held Hostage

The McPoyles hold the entire gang hostage at Paddys while Frank is busy searching for his will in the air ducts. Air Date : 20th-Sep-2007  Read More

Season 3 Episode 5 - The Aluminum Monster vs. Fatty Magoo

Dee is shocked to learn that an overweight social outcast from her High School has become a rich and skinny fashion designer. Air Date : 27th-Sep-2007  Read More

Season 3 Episode 6 - The Gang Solves the North Korea Situation

A Korean restaurant owner threatens to get Paddy's kicked off the route for the city's annual pub crawl. The gang's response: War. Air Date : 27th-Sep-2007  Read More

Season 3 Episode 7 - The Gang Sells Out

The gang agrees to sell Paddys when they get an offer that is too good to refuse, but it forces the bar's non-partners, Dee and Charlie to find new jobs. Air Date : 4th-Oct-2007  Read More

Season 3 Episode 8 - Frank Sets Sweet Dee On Fire

Mac teams up with Frank and Charlie to create a public access newscast after he misses his chance at fame in the news. Meanwhile, Dennis and Dee try to make it big in the club scene. Air Date : 4th-Oct-2007  Read More

Season 3 Episode 9 - Sweet Dee's Dating a Retarded Person

Dee gets involved with a famous local rapper who might be mentally challenged, and whose success inspires the rest of the gang to start a band. Air Date : 11th-Oct-2007  Read More

Season 3 Episode 10 - Mac Is a Serial Killer

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. Air Date : 18th-Oct-2007  Read More

Season 3 Episode 11 - Dennis Looks Like a Registered Sex Offender

When Dennis is mistaken for a recently released child molester, he is more bothered by the fact that the guy is overweight rather than him being a sex offender. Meanwhile, Mac tries once again to bond with his ex-con father, who shows an interest in Dee. Air Date : 25th-Oct-2007  Read More

Season 3 Episode 12 - The Gang Gets Whacked (1)

After stumbling upon a kilo of cocaine, the gang is forced to pay off a $25,000 debt to the mob. Mac becomes a mob informant, while Frank pimps out Dennis as an escort at the local country club. Charlie stumbles upon an opportunity to sell illegal narcotics. Air Date : 1st-Nov-2007  Read More

Season 3 Episode 13 - The Gang Gets Whacked (2)

While paying off their debt to the mob, Charlie and Dee try to find a way to make fake cocaine in order to fool them, while Dennis ranks in thousands of dollars being pimped out at the local country club. Mac realizes his position as a mob informant isn't being utilized to its full potential. Air Date : 1st-Nov-2007  Read More

Season 3 Episode 14 - Bums: Making a Mess All Over the City

Mac and Dee become vigilantes in order to remove the homeless from their neighborhood, while Frank and Dennis impersonate police officers. Air Date : 8th-Nov-2007  Read More

Season 3 Episode 15 - The Gang Dances Their Asses Off

In the season finale, Charlie accidentally puts Paddy's up as a prize for a dance marathon, which prompts the gang to enter the competition in order to save their bar. Air Date : 15th-Nov-2007  Read More