National Lampoon's Class Reunion

National Lampoon's: Class Reunion is a 1982 American black comedy film produced by National Lampoon as the third film from the magazine. It was the second film released; although National Lampoon Goes to the Movies was filmed in 1981, it was delayed and not released until 1982. The film was produced by ABC Motion Pictures and released by 20th Century-Fox on October 29, 1982, grossing $10.1 million.

In the film, the 1972 graduating class of a high school is gathering for their class reunion. They are unaware that among the guests is an escaped mental patient, who wants revenge for a decade-old sadistic prank which had ruined his life and his sanity. After several deaths at the reunion, the surviving alumni team-up to discover who is their secret enemy.