Spectra spies plant a homing device enabling Spectra to attack. G-Force must remove the device.
Zoltar is relieved from duty and his command is taken over by someone else. Mark is fed up with being in G-Force and wants to resign from command.
Zoltar launches an attack on Central Neptune itself but is defeated by G-Force and sent back to Spectra.
A spectra spy has stolen a valuable formula from Centre Neptune and G-Force is despatched to recover it.
Keyop falls in love with and rescues the beautiful girl kidnapped by Zoltar.
Alien spies from Spectra have made a secret base on Paradise Island and are planning to heavily pollute the water.
Spectra's newest weapon has blown up Earth's biggest plutonium supply plant.
The evil Zoltar has created a new weapon which he has implanted into several peacocks.
A worker at Centre Neptune has been uncovered as a spy and is about to hand over information to Zoltar.
G-Force are sent to Beldania to protect the king and his precious jewels from Spectra, but an imposter posing as the king leads them into a trap.
Zoltar intends to use his new weapon--the ray force, which reverses the transmutation process.
Spectra seems to have found the Conway tapes, which hold the secret intergalactic security codes.
Zoltar unleashes a giant elephant at an amusement park, which lets off missiles.