National Lampoon: Lemmings, a spinoff of the humor magazine National Lampoon, was a 1973 stage show that helped launch the performing careers of John Belushi, Christopher Guest, and Chevy Chase. The show was co-written and co-directed by a number of people including Sean Kelly. The show opened at The Village Gate on January 25, 1973, and ran for 350 performances. The songs from the show were subsequently issued as a record album. A video of one of the original performances, National Lampoon: Lemmings: Dead in Concert 1973, was eventually made available several decades later.