Pre-Series
- 1949: Shiro Kazami and Yuki Noji are born.
- Shiro Kazami witnesses the murder of his family by the terrorist organization Destron, before being saved by The Double Riders. He asks them to turn him into a Kamen Rider in order to destroy Destron and avenge his family. The Double Riders initially refuse but change their minds when Shiro Injures himself trying to save them, and turn him into Kamen Rider 3. Destron Great Leader is also revealed to be a reincarnation of the Great Leader of Gel-Shocker, the terrorist organization that the Double Riders fought. (Ep. 1)
- V3 defeats Scissors Jaguar and Turtle Bazooka. The latter seemingly kills the Double Riders, but they telepathically tell V3 that they're alive, and entrust him in protecting Japan in their place. (Ep. 2)
- V3 defeats Squid Fire and TV Fly. (Ep. 3-4)
- V3 defeats Machine Gun Snake and Hammer Jellyfish. (Ep. 5-6)
- V3 defeats Knife Armadillo and Chainsaw Lizard. (Ep. 7-8)
- V3 defeats Lens Ant and Razor Sea Star. (Ep. 9-10)
- V3 defeats Pickel Shark and Drill Mole. (Ep. 11-12)
- Doktor G arrives in Japan and becomes Destron's first General. V3 defeats Magnet Boar. (Ep. 13)
- V3 defeats Toad Boiler. (Ep. 14)
- V3 defeats Burner Bat. (Ep. 15)
- V3 defeats Missile Gecko. (Ep. 16)
- V3 defeats Spray Mouse and Chain-Sickle Coccinellidae. (Ep. 17-18)
- V3 defeats Porcupinefish Apache. (Ep. 19)
- V3 defeats Guillotine Dinosaur. (Ep. 20)
- V3 defeats Syringe Spider, with the Double Riders assisting him through a medallion he finds. (Ep. 21)
- V3 defeats Speargun Sealion. (Ep. 22)
- V3 teams up with the Double Riders to defeat Cannon Buffalo. (Kamen Rider V3 vs. Destron Mutants)
- V3 defeats Propeller Rhinoceros Beetle. (Ep. 23)
- V3 defeats Cockroach Spike. (Ep. 24)
- V3 defeats Mantis Boomerang. (Ep. 25)
- V3 defeats Heater Cicada. (Ep. 26)
- Destron revive the four generals of Shocker and Gel-Shocker (Colonel Zol, Doctor Shinigami, Ambassador Hell and General Black) as well as four fallen Shocker Monsters. V3 defeats them as well as Quoit Stag beetle. (Ep. 27-28)
- V3 defeats Camera Mosquito. (Ep. 29)
- V3 defeats Doktor G/Crab Laser. (Ep. 30)
- Destron replace the fallen Doktor G with Baron Kiba. V3 defeats Skull Warthog. (Ep. 31)
- V3 defeats Will-o'-the Wisp Walrus. (Ep. 32)
- V3 defeats Snow Wolf with the help of the Double Riders, who briefly return to assist him. (Ep. 33)
- V3 defeats Ayanokoji/Primoridal Tiger with the help of the Double Riders, who leave again after the fight. (Ep. 34)
- V3 defeats Baron Kiba/Vampiric Mammoth. Destron replace him with Archbishop Tsubasa. (Ep. 35)
- V3 defeats Flame Condor. (Ep. 36)
- V3 defeats Kodama Flying Squirrel. (Ep. 37)
- V3 defeats Murderous Dokugahra. (Ep. 38)
- V3 defeats Man-Eating Banana Plant. (Ep. 39)
- V3 defeats Archbishop Tsubasa/Zombie Bat. Destron replace him with Marshal Yoroi. (Ep. 40)
- V3 defeats Garumazillon. (Ep. 41)
- V3 defeats Katatsublar. (Ep. 42)
- Yuki Noji, a Destron scientist, is betrayed by Marshal Yoroi and is sent to be executed before being saved by his collagues and becomes Riderman. V3 first encounters Riderman after he saves him from Sickle-Neck Turtle. (Ep. 43-44)
- Riderman, disgusted by Destron's action, finally defects from them and allies with Kamen Rider V3. V3 defeats Rhinoceros Tank. (Ep. 45-46)
- V3 defeats Coelacanth Kid. (Ep. 47)
- V3 defeats Thorned Starfish. (Ep. 48)
- V3 defeats Vampire Chameleon. (Ep. 49-50)
- Riderman stops Destron's Pluton Rocket, at the cost of his life. V3 grieves his death and recognizes him as a true Rider, naming him "Kamen Rider 4". (Ep. 51)
- V3 defeats Marshal Yoroi/Zariganna and the Great Leader of Destron. (Ep. 52)
- 1974: Kamen Rider V3, Riderman and the Double Riders help Kamen Rider X to defeat Kingdark. V3 also continues to assist Kamen Rider X in two additional episodes. (Five Riders Vs King Dark, X Ep. 33-34)
- 1975: Kamen Rider V3 and Riderman, alongside the other past riders, assist Kamen Rider Stronger in defeating the Delzer Army, and later it's true leader, General Great Darkness. (Stronger Ep. 39, All Together Seven Kamen Riders)
- 1980: Kamen Rider V3 and Riderman, alongside the other past riders, assist Kamen Rider: Skyrider in defeating Galaxy King. Both later assist him on other occasions. (Eight Riders Vs Galaxy King, Kamen Rider Skyrider)
- 1981: Kamen Rider V3 and Riderman, alongside the other past riders, assist Kamen Rider Super-1 in fighting some of the Dogma Kingdom's monsters. (Kamen Rider Super-1)
- 1984: Kamen Rider V3 and Riderman, alongside the other past riders, assist the new Kamen Rider ZX in defeating the Badam Empire. (Birth of the Tenth! Gather All Kamen Riders!!)
- 1989: Kamen Rider V3 and Riderman, alongside the other past riders, assist Kamen Rider BLACK RX in destroying the Crisis Empire. (Black RX Ep. 41-47)
- 2009: Kamen Rider V3 and Riderman, alongside the other past riders, assist Kamen Rider Decade in defeating an alternate reality counterpart of Shadow Moon. (All Riders vs. Dai-Shocker)
- 2011:
- Kamen Rider V3 and Riderman, alongside the other past riders, assist Kamen Rider OOO in defeating the revived Great Leader of Gel-Shocker. (OOO, Den-O, All Riders: Let's Go Kamen Riders)
- Kamen Rider V3 and Riderman, alongside a few other past riders, assist Kamen Rider Fourze and Kamen Rider OOO in defeating Kamen Rider Poseidon and Super Galaxy King. (Kamen Rider × Kamen Rider Fourze & OOO: Movie War Mega Max)
- 2012: Kamen Rider V3 and Riderman, among the rest of the Kamen Riders, are apparently defeated by Dai-Zangyack led by Emperor (formerly Captain) Marvelous (Gokai Red) who is hunting the Kamen Riders, while the first 34 Super Sentai are apparently defeated by Tsukasa Kadoya (Kamen Rider Decade), Great Leader of Dai-Shocker which seeks to wipe out the Super Sentai. Infact, all the presumed deceased Sentai and Riders had been transported to a dimensional rift, from which they emerge to defeat the new Shocker-Zangyack Alliance. (Kamen Rider × Super Sentai: Super Hero Taisen)
- 2013: Kamen Rider V3 participates in the battle against Space Shocker. (Kamen Rider × Super Sentai × Space Sheriff: Super Hero Taisen Z)
- 2014:
- V3 and the Double Riders help Kamen Rider Gaim and Ressha Sentai ToQger defeat a reformed Badam Empire. (Ressha Sentai Tokkyuger Vs Kamen Rider Gaim)
- Kamen Rider V3 and Riderman, along with other past riders and with the help of Kyoryu Red and the ToQgers, finally defeat the Badam Empire. (Heisei Rider vs. Showa Rider: Kamen Rider Taisen feat. Super Sentai)
- 2015: 2011: Kamen Rider V3 and Riderman, alongside the other past riders, assist Kamen Rider Drive in defeating the revived Great Leader of Gel-Shocker.
- 2021: Kamen Rider V3 and Riderman, along with other past riders and Sentai warriors, assist Kamen Rider Saber's riders and Kikai Sentai Zenkaiger in defeating Asmodeus. (Kamen Rider Saber + Kikai Sentai Zenkaiger Super Hero Senki)
