Firefly is set in the year 2517, after the arrival of humans in a new star system and follows the adventures of the renegade crew of Serenity, a "Firefly-class" spaceship. The ensemble cast portrays the nine characters who live on Serenity.Firefly featuring Nathan Fillion and Gina Torres has one or more episodes streaming with subscription on Hulu, available for purchase on iTunes, available for purchase on Google Play, and 4 others. It's an action & adventure and drama show with 14 episodes over 1 season. Firefly is no longer running and has no plans to air new episodes or seasons. It has a high Rotten Tomatoes (critics) score of 85% and a high IMDb audience rating of 9.0 (218,639 votes).