It's Always Sunny in Philadelphia

Promoting the bar.

Charlie's past revisits.

An old classmate tells Charlie that he's the father of her child, and Mac attends an anti-abortion rally in hopes of scoring with a woman who's pro-life.

The gang sells alcohol to minors, and Sweet Dee, Dennis, and Charlie get asked to the prom.

The gang makes adjustments.

The gang tries to find Charlie a lover after they're led to believe he's dying of cancer.

Charlie learns he might have cancer.

Someone steals the bar's safe.

The gang buys a gun after someone breaks into the bar while Sweet Dee dates a man who becomes the prime suspect in the crime.

Charlie and Mac discover Dee's grandfather was a Nazi, while the gang finds a dead body.

Mac and Dennis befriend a patron.

Sweet Dee and Dennis stage an intervention after they mistakenly conclude that Charlie was molested as a child.

Gym teacher is accused of molestation.