Joy of Sex (sometimes referred to as National Lampoon's Joy of Sex) is a 1984 American sex comedy film directed by Martha Coolidge. It was written by Kathleen Rowell and J.J. Salter, based on the sex manual by Alex Comfort.

Plot

Leslie Hindenberg has just entered her senior year of high school. She visits her doctor to have a mole examined, but she mistakenly comes to believe she only has six weeks to live and goes about trying to lose her virginity. However it is difficult for her to accomplish her goal when her father is the school's phys ed coach. The boys are afraid to date the coach’s daughter. But Alan Holt is a guy whose pals brag about their sexual encounters. He is rather frustrated as he cannot stop thinking about sex and attempts to lose his virginity any way possible.