2020 | 2 Episodes

Season 0 of Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ premiered on July 27, 2020.

2019 | 7 Episodes

Season 1 of Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ premiered on January 18, 2019.

2020 | 7 Episodes

Season 2 of Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ premiered on October 23, 2020.

2022 | 7 Episodes

Season 3 of Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ premiered on November 4, 2022.

2025 | 1 Episodes

Season 4 of Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ premiered on March 13, 2025.