Season
Season 1 Episode
- Season 1 Episode 1.5: Mystery of Naming
- Season 1 Episode 2.5: Rules of the World
- Season 1 Episode 3.5: Regal Spoilers
- Season 1 Episode 4.5: A Confession of A Legend
- Season 1 Episode 5.5: Sougo Tokiwa and the Mysterious Phone
- Season 1 Episode 6.5: The Secret of Fourze 555
- Season 1 Episode 7.5: Who is The Worst Black?
- Season 1 Episode 8.5: The Terrifying Time Paradox!
- Season 1 Episode 9.5: The King, God, and the Adult
- Season 1 Episode 10.5: Mouri vs. Shimoyama
- Season 1 Episode 11.5: Mysteries of 95DO!
- Season 1 Episode 12.5: Interview with Future People
- Season 1 Episode 13.5: Ghostly Teacher
- Season 1 Episode 14.5: Pink Devil
- Season 1 Episode 15.5: Supplementary Plan Forever (Part I)
- Season 1 Episode 16.5: Supplementary Plan Forever (Part II)
Kamen Rider Zi-O: Supplementary Plan
7.30 5 minutes A web-exclusive series released on Toei Tokusatsu Fan Club. It accompanies the airing of the main series' episode the day after it.
