01. Episode 1.5: Mystery of Naming

What is the mystery behind the names of characters that appeared in the first episode of Kamen Rider Zi-O? These are some answers...

02. Episode 2.5: Rules of the World

What are the rules of the world where our characters living? There are answers...

03. Episode 3.5: Regal Spoilers

Tsukuyomi, Geiz, Sougo, and Emu receive scripts as they talk about "Why Emu was in the Game World", to which Emu replies that it counts as a spoiler.

04. Episode 4.5: A Confession of A Legend

05. Episode 5.5: Sougo Tokiwa and the Mysterious Phone

06. Episode 6.5: The Secret of Fourze 555

07. Episode 7.5: Who is The Worst Black?

08. Episode 8.5: The Terrifying Time Paradox!

09. Episode 9.5: The King, God, and the Adult

10. Episode 10.5: Mouri vs. Shimoyama

11. Episode 11.5: Mysteries of 95DO!

12. Episode 12.5: Interview with Future People

13. Episode 13.5: Ghostly Teacher

14. Episode 14.5: Pink Devil

15. Episode 15.5: Supplementary Plan Forever (Part I)