Instagram: Once We Were Spacemen
Deadline: Nathan Fillion Says ‘Firefly’ Animated Series In Development With Co-Stars Set To Reprise Roles; Concept Art Revealed
TL;DR: It's an animated series and Joss Whedon has given his blessing, but he is not directly involved in the project.
Today, Sunday, March 15th 2026, Nathan Fillion and the remaining core crew of Serenity announced at Awesome Con in DC that they are bringing back Firefly as an animated series called Firefly: Still Flyin'.
In the video posted on the Once We Were Spacemen (OWWS) Instagram account, Nathan detailed what they would need and who has signed on to the project thus far:
"Joss' blessing - I have it"
The rights from 20th Century Fox/ Disney: "They got excited - they said yes"
Showrunners: a married couple who met through Firefly! Tara Butters (Dollhouse, Agent Carter, Reaper) and Marc Guggenheim (DC’s Legends of Tomorrow, Arrow)
A script - "We got it." A screenshot in the video shows the first page of a shooting script for Firefly: Still Flyin' Episode #1: "Athenia" written by Tara Butters & Marc Guggenheim.
An animation studio: Oscar and Emmy-award-winning animation studio ShadowMachine - another screenshot in the video shows some initial concept art
In the video, Nathan goes on to say that the last thing they need is a home. He asks everyone to like, comment on, and tag your friends in this post to spread the word and get Firefly: Still Flyin' a home.
While it was not explicitly stated in Nathan's video, Deadline's article on the announcement states:
"Joss Whedon, who created the original series, is not involved in the animated project."
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