Buck Rogers in the 25th Century is an American science fiction adventure television series produced by Universal Studios. The series ran for two seasons between September 1979 and April 1981 on NBC, and the feature-length pilot episode for the series was released as a theatrical film before the series aired. The film and series were developed by Glen A. Larson and Leslie Stevens, based on the character Buck Rogers created in 1928 by Philip Francis Nowlan that had previously been featured in comic strips, novellas, a serial film, and on television and radio.

Buck Rogers in the 25th Century is a 1979 American science fiction adventure film directed by Daniel Haller. Starring Gil Gerard in the title role and Erin Gray as Colonel Wilma Deering, it was produced by Glen A. Larson who co-wrote the screenplay with Leslie Stevens, based on the character Buck Rogers which was created by Philip Francis Nowlan in 1928. It was originally made as a television pilot, but Universal Pictures opted to release the movie theatrically several months before the subsequent television series aired.