Doctor Reaper of Shocker's Swiss branch takes up a new post in the Japanese division. He makes plans to detonate Kirishima's volcanic belt by digging an underground tunnel between Kirishima and Sakurajima.

For the construction of a tunnel that connects Sakurajima and Ebi Heights, Doctor Reaper sends in the monster Ghoster.

Appearing in Japan once again, Doctor Reaper has a plan to destroy Japan by controlling a meteorite.

Someone reports the Shocker monster Garagaranda's strategy to poison the water supply to Masked Rider. The Shocker Chief detects Ambassador Hell is the traitor and decides to execute him.

With Ambassador Hell's defeat, Shocker's Japan division is abandoned. However the Shocker Chief adds the power of Africa's secret organization Geldam and forms the new organization Gel-Shocker.

Kamen Rider #1 is driven back by the Shocker Rider and the monster Haetoribachi's coordination and sinks under the sea with Haetoribachi.

Wih the Anti-Shocker Alliance's back up, the double Riders are able to escape danger and take Raydokuga prisoner. Moreover, to defeat Shocker Rider, they begin special training under Tobei's tutelage.

With the arrival of Masked Rider #2 Hongo is rescued and the Double Riders showdown against Leechameleon.

Colonel Zol executes his Wolf Strategy to make werewolves with the Wolf Virus. In the midst of this, the young girl Kumiko from the Wakakusa Garden orphanage witnesses one of these experimental wolfmen.

The new monster Mosquilas comes from South America and plots to create a Shocker base in the Kii Peninsula.

Gel-Shocker's Scorpiolizard uses the Shocker scientists as the guinea pigs for an oxygen deprivation gas and eliminates them. However one scientist, Takashi, does escape. Scorpiolizard pursues Takashi and attacks his wife's hospital.

Captured two years ago, the marine biologist Doctor Seki created the monster Rayking but flees Shocker and is rescued by Ichimonji and the others.

The cyborg Longhornkid revives the monsters defeated by Rider to begin the “Devil Festival.” Through sacrifices, energy is given to Zanjio, Jaguarman, Poison Lizard Man, Hedgehoras and Rhinogang to achieve their resurrection.

Kamen Rider and Mukadetiger simultaneously vanish. At that time, the Gel-Shocker Chief determines the real identity of the Anti-Shocker Alliance that has continuously disrupted Gel-Shocker activity.

The cactus research expert Doctor Matsuda is remodeled into Cactusbat. Cactusbat attacks the World Peace Committee's members and using the thorns on his arms he turns the people into cacti.

The Gel-Shocker monster Leechameleon uses the blood absorbed from humans to resurrect Ganikomol who once defeated Rider. Learning of this, Hongo embarks for the enemy's lair, but the revived Ganikomol is there waiting for him.

To break through the Toyo Atomic Energy Research Laboratory's barrier, Shocker remodels pro soccer athlete Nomoto and produces the monster Tokageron with powerful kicking might.

Pirazaurus experiments with the powerful deadly gas, “Mist of Death,” at a gogo house. He launches his scheme to obliterate Japanese leaders with the Mist of Death as they spectate a pro wrestling match.

Mount Tengu is the test site for the bacteria, “Amazon's Curse,” of Shocker's monster Arigabari, and they attack the young man Izaki who visits the mountain.

Shocker's scientists succeed in producing a queen ant cyborg from an ant's egg. The created monster Archimedes attacks a bank with her powerful formic acid.

Shocker's newly developed killer plants are placed in theaters and concert halls as they scheme up the G Strategy to annihilate everyone.

Shocker plots their “Snow Strategy” to melt all of the snow of Kusatsu Heights and cause a great flood, and makes the physicist Doctor Mikawa manufacture an energy bomb that releases intense heat.

While Hongo and the others are training intensely with their sights set on winning the All Japan Motorcycle Championship, Rhinogang is dispatched from Shocker's Africa division.

Hongou discovers an upcoming meeting between important Shocker branch chiefs, but that is not all the Leader has planned.

Hongo and Taki receive communication from the FBI saying, “There are clues to Shocker in Kobe,” and so they secretly fly to Kobe in search of Shocker movement.