The anime will have a special early screening of the first episode online on March 26 at 7:25 p.m. JST.
The first Shinkalion anime premiered in January 2018, and ended in June 2019.
The franchise also had an anime film titled Gekijō-ban Shinkansen Henkei Robo Shinkalion: Mirai Kara Shinsoku no ALFA-X (Shinkansen-Transforming Robot Shinkalion the Movie: The Mythically Fast ALFA-X That Came From Future), which opened in Japan in December 2019.
The anime will premiere on April 9 at 7:25 a.m. JST.