While investigating a castle, Doctor Hongo is attacked by soldiers of Deathdark, but is saved by a hiker named Kenichi Akama, immediatly after the attack Doctor Hongo contacts with the "Future Science Institute" to start the selection of the members of the "Great Squadron Goggle V" to fight against the evil forces of deathdark.
After learning about their new duties of protecting the earth against the forces of Deathdark, Goggle V are sent to investigate if Deathdark is causing any trouble.
Kenichi Akama goes to meet with his old rock-climbing partner, Yusuke Kaji, everything goes fine until Deathdark appears causing an earhquake that separates them leaving Kenichi with yusuke's sister.
Deathdark plans to plant highly explosive melon bombs on the ground, once they find the ideal place, they start planting them but Goggle V discovers their plan and start investigating the zone, but get ambushed by Spider Mozoo resulting in one of the Goggle V receiving fatal wounds.
A storyteller is kidnapped by deathdark commander, Mazurka, because they think he may know information about the meaning of a legend that can assist Deathdark's cause.
A wrestler named "Hell Mask" is believed to have stolen a diamond that was actually stolen by a Deathdark Monster, with the diamond Deathdark plans to build a weapon that can destroy the stones in the Goggle V helmets.
While searching for Baku Moozo, Akama, descends into a cave hiding an Edo-era village growing mushrooms for Baku Moozo to cause chaos in the outside world.
A scientist friend of Kuroda, creates a hybrid vegetable out of potatoes and tomatoes. Now he is trying to hide from everyone (Including Deathdark, Goggle V and his family) how he managed to create such strange vegetable.
Deathdark is forcing a lens maker to adjust a lens to make a laser and drown earth, Miki is trying to help him so he can adjust her Goggle Mirror and stop Deathdark.
After two-thousand years, commander Deathmark is revived by Führer Taboo, Deathmark, as his first order, makes Deathdark forces gather life energy for him, starting with one of the computer boys.
Peacock Mozoo gives life and a physical form to abandoned dolls in the street, Miki goes undercover dressed as them to discover how to get them back to normal.
Deathdark plans to transform people into plans, while doing this a teacher is fighting to keep her job after her students get turned into plans while she was in charge of them.
Two boys discover a Deathdark plant where they are making a sleeping gas, Kuroda protects the two boys but with some difficult, after having lost his Goggle Brace.
Miki is investigating how to destroy a set of Indian bracelets which make the wearer immortal, said bracelet set is being used by Tiger Mozoo who plans to perform a Kamikaze attack to destroy Goggle Caesar.
Deathdark creates a new kind of metal from which they create the new Mozoo, Goggle V tries to create a new weapon that can destroy the new metal in order to defeat Deathdark.
A computer boy gets captured by accident while Deathdark was trying to kidnap a scientist, Deathdark takes the chance to use him to discover the location of Goggle V's hidden Base.
After being infected by Condor Mozoo, all food touched by Kijima gets turned into sand, this forces him to work for Deathdark and fight his comrades of Goggle V.
A scientist's tragic discovery leads Goggle V and Deathdark to a mountain where a meteor with an extremely powerful intergalactic energy source awaits them.
With the powerful Hightron Energy in their hands, Deathmark begins the construction of the Dark Hole, Deathdark's ultimate weapon for the destruction of civilization that Goggle V must stop from completion.
As Deathtopia ascends to activate the Hightron Dark Hole device, Goggle V must finally bring an end to Deathmark and Furher Taboo to stop it and finally secure a future for good science.