It's Always Sunny in Philadelphia: Season 3, Episode 15
3 - 15: The Gang Dances Their Asses Off
Season 3 ends as Charlie inadvertently puts Paddy's up as the grand prize in a dance marathon. The gang must then win the competition to keep the bar.
Season 3 ends as Charlie inadvertently puts Paddy's up as the grand prize in a dance marathon. The gang must then win the competition to keep the bar.