Portal:Speculative fiction/Anniversaries/September/September 20
Television series
- 1979 - Buck Rogers in the 25th Century begins airing on NBC
- 2002 - Firefly, an American space western television series created by writer and director Joss Whedon, begins airing on Fox
- 2002 - John Doe, an American science fiction television series, begins airing on Fox
- 2006 - Jericho, an American post-apocalyptic action/drama series, begins airing on CBS