This project was announced on Anime Expo 2017 and stated to be the Studio Trigger's own anime take on the tokusatsu series, making it almost unrelated to the live action counterpart.[3][4] During the Tokyo Comic Con, the project was announced further alongside the 2019 anime adaptation of Ultraman, another project made by Tsuburaya Productions.[2] Aside from Gridman's design being made by Masayuki Gotou, voice actor Hikaru Midorikawa confirms his return to reprise said character.[1][2][5] In March 24, 2018, the official website revealed another visual and details regarding the main casts.[6][7]