The first episode of "season" one was pre-aired on the Fate Project New Year's Eve TV Special 2020 program.

Part two of Fate/Grand Order: Shinsei Entaku Ryouiki Camelot - Wandering; Agateram; an adaptation of the the Sixth Holy Grail War, The Sacred Round Table Realm Camelot Singularity of Fate/Grand Order. (Source: TYPE-MOON Wiki)

The film will serve as an omnibus to the three-season anime series, including the Kyouko to Katsuya no Monogatari (The Story of Kyouko and Katsuya) prequel, as well as new scenes written by the original creator Natsuki Takaya taking place after the television anime. (Source: MAL News)