During their Anime Expo 2018 panel, Funimation announced they licensed the series for streaming on FunimationNow and an English dub. The opening theme is 'UNION' by OxT, and the ending theme is 'youthful beautiful' by Maaya Uchida. Masayuki Gotou designed Gridman with Masaru Sakamoto handling the other character designs, many of which are directly inspired by characters from the Transformers franchise. The series is directed by Akira Amemiya, written by Keiichi Hasegawa, and animated by Trigger. The series aired from October 7 to December 23, 2018. The world premiere of the show took place after the panel ended. A special video featuring director Akira Amemiya was shown, emphasizing the story 'would focus on the youth of Japan and their relationship to technology'. Production of SSSS.Gridman took place alongside Promare staff related stories during the panel about production details for SSSS.Gridman being worked out during Promare meetings and vice versa. They emphasized that despite having an all-new story, SSSS.Gridman wasn't a reboot. During Studio Trigger's Anime Expo 2018 panel, Trigger acknowledged the differences between the US and Japanese releases of Gridman, clarifying that SSSS.Gridman is a new show with the same concept.

On March 24, 2018, the official website revealed another visual and main voice cast details.

During Tokyo Comic Con 2017, more details about the show were provided, including the main staff, October 2018 premiere, Masayuki Gotou as Gridman's character designer, and voice actor Hikaru Midorikawa reprising his role as Gridman. Trigger described the show as 'their anime take on the tokusatsu series', with an original storyline unrelated to the earlier live-action series. SSSS.Gridman was announced during Studio Trigger's panel at Anime Expo 2017, alongside Darling in the Franxx and Promare. A sequel, titled SSSS.Dynazenon, was broadcast from April to June 2021. It was broadcast for 12 episodes from October to December 2018. The production is a joint collaboration between Tsuburaya Productions, the production company behind Gridman and the Ultra Series, and Trigger. SSSS.Gridman (stylized as SSSS.GRIDMΛN) is a Japanese anime television series adaptation of the 1993–1994 tokusatsu series Denkou Choujin Gridman.

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