All Episode in Season 1

1. Episode 1.5: Mystery of Naming 2. Episode 2.5: Rules of the World 3. Episode 3.5: Regal Spoilers 4. Episode 4.5: A Confession of A Legend 5. Episode 5.5: Sougo Tokiwa and the Mysterious Phone 6. Episode 6.5: The Secret of Fourze 555 7. Episode 7.5: Who is The Worst Black? 8. Episode 8.5: The Terrifying Time Paradox! 9. 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) 16. Episode 16.5: Supplementary Plan Forever (Part II)

Season List

Kamen Rider Zi-O: Supplementary Plan Season 1