Use this tag for questions about "Firefly", an American space western television series (2002) created by writer and director Joss Whedon. The series is set in the year 2517, after the arrival of humans in a new star system, and follows the adventures of the renegade crew and passengers aboard 'Serenity', a Firefly-class spaceship. Also use this tag for tie-in comic series, but not the film 'Serenity'.

Firefly is an American space western television series created by writer and director . The series originally aired September 20 – December 20, 2002 on Fox out of order, and was cancelled after low ratings. It has since gathered a large fan following, leading to the release of the film.