Important things that happened
- Height: 205.0cm
- Weight: 97.0kg
- Abilities: To cross between reality and the game world/Fighting action
- McDonalds LupinRanger VS PatRanger Happy Set
- McDonalds Hugtto Precure Happy Set
- Ride Watch - Ex-Aid and Ryuki version
Houjou Emu and Kagami Hiiro
- In Ex-Aid, when a monster is hit, the word Hit appears in English. Zi-O does everything in hiragana, so Hit also appears, but in Japanese instead.
- In the sponsor section, they make a joke about Fourze and Faiz being a play on the numbers 4 and 5.
- Emu comments on how Geiz is similar to Brave. And Sougo comments on how Emu is similar to Tsukuyomi.
- Medical jargon:
- Idiopathic dilated cardiomyopathy - Heart disease that might be triggered by hypertension, viruses, or other means. 
- The Batista Heart procedure is an experimental surgery.
Kamen Rider Zi-O 04 Transcript
Kamen Rider Zi-O 04.5