It's Always Sunny in Philadelphia (2005)

S1E3 Underage Drinking: A National Concern

Title: Youthful Indulgence: A Nationwide Issue Plot: While reflecting on their high school days, the guys decide it might benefit the community to let minors enjoy drinks at their bar, creating a safer space for teenage celebrations. Meanwhile, Dee, feeling deprived of typical teenage experiences because of her scoliosis brace, starts a relationship with a popular high school athlete.