Searxng/Firefly TV show tv TV Nathan Fillion reveals an animated Firefly sequel series set between the original show and Serenity, with Joss Whedon's blessing. May 4, 2026 AceShowbiz - Earlier this month, Firefly actor Nathan Fillion appeared at Awesome Con in Washington, D.C., alongside much of the original cast to reveal plans for an animated continuation of the cult-favorite series. This new project is set between the original 2002 television series and the 2005 film Serenity, bridging the gap in the storyline with a fresh animated series.