Tower of God is an anime television series based on S.I.U.'s manhwa series of the same name. The anime adaptation was initially announced at Seoul Comic-Con in August 2019. The series, titled , began releasing in April 2020 simultaneously in Japan, South Korea, and the United States. The first season was produced by Telecom Animation Film, with Aniplex subsidiary Rialto Entertainment responsible for Japanese production, and Sola Entertainment providing production management. The series premiered on April 1, 2020, on South Korea's Naver Series On and television network Aniplus, and in Japan from April 2 to June 24, 2020, on Tokyo MX and other networks. The season was directed by Takashi Sano, with Hirokazu Hanai as assistant director, Erika Yoshida in series composition, Masashi Kudo and Miho Tanino in character designs.
Season 1 follows 25th Bam, a boy who enters this tower in search of his friend Rachel. As he ascends, he faces challenges, meets allies, and discovers the tower's mysterious nature. The journey is filled with friendship, betrayal, and power struggles. The anime describes itself in the episodes as the story of the beginning and the end of Rachel, the girl who climbed the tower so she could see the stars, and Bam, the boy who needed nothing but her.
Kevin Penkin composed the soundtrack. The opening theme song is "Top", while the ending theme song is "Slump"; both are performed by the K-pop band Stray Kids in Japanese, English, and Korean for the respective language dubs.
Crunchyroll streamed the Japanese broadcast of the series as a co-production under its "Crunchyroll Originals" label.
<onlyinclude> Note: All episodes from this season were written by Erika Yoshida </onlyinclude>
The soundtrack for the first season was composed by Kevin Penkin and released on October 16, 2020.
Viz Media licensed the series for home video distribution in North America and released it on Blu-ray on January 18, 2022.