Nathan Fillion has revealed that an animated revival of the hit show Firefly is moving forward, with the project already in advanced development.
The news emerged during a panel appearance at Awesome Con in Washington, D.C., where Fillion joined a live recording of his podcast Once We Were Spacemen alongside several of his former co-stars.
Appearing with Alan Tudyk, Gina Torres, Jewel Staite, Morena Baccarin, Sean Maher and Summer Glau, Fillion said the group is expected to return to voice their characters in the new series.
Adam Baldwin, who played the mercenary Jayne Cobb in the original show, is also set to be involved.
The project is being developed through Fillion’s production company, Collision33, in collaboration with 20th Television Animation, which holds the rights to the franchise.
However, it appears the show has not yet found a home to broadcast it, prompting Fillion to put a call out on social media for fans to engage with the post to prove ‘this is something people want.’
The animated continuation will be overseen by writing and producing partners Marc Guggenheim and Tara Butters, who are attached as showrunners and have already completed a script.
Although Firefly was originally created by Joss Whedon, he is not participating in the new production. According to Fillion, however, Whedon has given the project his blessing.
He described the potential return as something audiences have long hoped for and said their loyalty has played a major role in keeping the series culturally relevant more than two decades after it first aired.
Fillion told Deadline of the new project: ‘The dedication of Firefly fans has kept this 25-year-old show relevant. Clearly, the return of Firefly is something the fans want. More importantly, it’s something they deserve.’
The proposed series is designed to fit within the existing timeline of the story, taking place between the original television run in 2002 and the 2005 follow-up film Serenity.
The aim is to expand the universe while maintaining continuity with the franchise’s established events.
The announcement followed a week of cryptic social media posts from Fillion hinting that something related to the series was coming.
The science fiction drama followed the crew of the transport ship Serenity as they navigated life on the outer edges of a colonised galaxy in the year 2517, operating outside the control of the authoritarian Alliance.
The series later returned in the 2005 feature film Serenity, which continued the crew’s story. The late Ron Glass appeared in both as Shepherd Derrial Book.
Continued enthusiasm for the show inspired Fillion and Tudyk to launch their podcast Once We Were Spacemen in late 2025.
Across its episodes, the pair reconnect with former cast members and other creative collaborators while reflecting on their time working on Firefly and its film continuation.
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