"Requiem for Methuselah" is the nineteenth episode of the third season of the American science fiction television series Star Trek. Written by Jerome Bixby and directed by Murray Golden, it was first broadcast on February 14, 1969. In the episode, the crew of the Enterprise encounters an immortal human. Its repeat broadcast, on September 2, 1969, was the last official telecast of the series to air on NBC. Star Trek would immediately appear in syndication on the following Monday, September 8, a full three years after its debut.