Pre-series
- 1971-75: The time of the Seven Legendary Riders. (Kamen Rider, Kamen Rider V3, Kamen Rider X, Kamen Rider Amazon, Kamen Rider Stronger, Movie War Mega Max)
- 1971-73: Kamen Rider 1 fights Shocker. (Ep. 2)
- 1980-81: Kamen Rider Super-1 fights the Dogma Kingdom. (Ep. 2)
- 1988-89: Kamen Rider BLACK RX fights the Crisis Empire. (Ep. 2)
- 2000-01: Kamen Rider Kuuga fights the Gurongi. (Ep. 2)
- 2010: The Futo Tower is destroyed. (The Gaia Memories of Fate, Ep. 2)
Series2011
2012
- March 22: Amanogawa High School closes for spring vacation. (Ep. 27)
- March 23 - April 5: Amanogawa High School's spring vacation period. (Ep. 27)
Post-series
- 2013
- Fourze joins in the battle against Space Crime Syndicate Madou's army of revived monsters. (Super Hero Taisen Z)
- Fourze, among the first 15 Heisei Riders, is summoned to World within the Magic Stone, where he helps to defeat the evil wizard Amadum and his army of monsters. (Wizard ep. 52-53)
- 2014: Fourze participates in the battle to defeat the Underground Empire Badan, as well as the brief conflict between the Heisei Riders and Showa Riders. (Kamen Rider Taisen)
- 2015: In an Alternate Timeline where Shocker conquered the world in 1973, Fourze serves Shocker before his brainwashing is reversed, joining the other Riders in the fight against Shocker before the timeline is restored. (Super Hero Taisen GP)
- 2017: Fourze helps in the battle against Kaisei Mogami of Foundation X. (Heisei Generations FINAL)
