Netflix began streaming the Ultramarine Magmell anime in the United States on October 10, 2019.
Hayato Date directed the series at studio Pierrot. Chūji Mikasano was in charge of scenario organization. Yasuharu Takanashi was in charge of the music.
Idol group Fudanjuku performed the opening theme song “Dash&Daaash!!,” and the band a flood of circle performed the ending song “The Key.”
Ultramarine Magmell premiered in Japan on April 7, 2019.