The Mighty Nein is an upcoming American adult animated fantasy television series produced by Metapigeon, Titmouse and Amazon MGM Studios for Amazon Prime Video. The show is based on campaign two of Critical Role and is set 20 years after the events of the previous Critical Role animated series, The Legend of Vox Machina. Like its predecessor, The Mighty Nein will adapt – rather than recreate – the source material. The show was announced in January 2023, and work on the project had begun by March 2023.In July 2025, it was announced that the first season is scheduled to premiere on November 19, 2025.