The Wonder Years - Season 5 Episode 19 -

Kevin, Ricky and Chuck plan on sneaking into an R-rated movie, while Paul decides he'd rather stay home and talk marine biology with a family friend's daughter. Kevin, Ricky and Chuck get thrown out of the movie theatre where "Carnal Knowledge" is playing, while Paul is at home losing his virginity. Paul confides in Kevin, but his secret gets out the next day.