Mark takes the eccentric scientist Dr Gorky, to the scout a location in the arctic as a possible site for Future World, a concept city to be powered by geothermal energy.

Colonel Two takes over command of Spectra from Zoltar and launches an attack on Earth.

G-Force investigates Professor Stark who may have given his soil protein formula to a Spectra agent.

Out of all the pilots in the Federation, Mark has been selected to test the Space Patol Scout (XF-97) , to be used in Galactic Security. In the midst of the flight he is attacked and downed by Captian Doom from planet Ergos, who is a space pirate. Mark ejects to safety while Doom attacks the airshow uses a laser whip. The Phoenix is forced to land after its rudder is destroyed. From the rudder of the Phoenix, a sample of the metal from the whip is found, but Center Neptune scientists donÕt know what it is. The team heads to Ergos to search for the source of the metal before other weapons constructed with it can be used by the Space Pirate.

Spectra shoots down a pilot who observes the testing of their latest weapon, a Bat mech with a Force Ray. Mark finds the pilot, but the he is unable to tell what he saw.

Spectra attacks the Artificial Brain Center on Earth and steals a top-secret "Brain of Evil". The Team tracks down the stolen brain, only to be attacked by the Brain Mecha and then Spectra Pirates! G-Force returns with a piece of the Mecha to Center Neptune, and then attends the Annual Robot Show the next day, just in time to watch Spectra steal the new "Fembot" to use as a body for the Brain of Evil. Mark sneaks into the Spectra base while the rest of the team goes after the Brain Mecha.

Zeno, the Zenobian has escaped from the protective custody. Mark goes undercover to try to find him.

Spectra targets one of the richest countries on Earth, the small country of Beldania. G-Force is dispacted out to talk and protect the monarch, but right from the start things seem wrong. Sneaking into the palace at night, to avoid detection, they find the palace bobby-trapped and full of dangers. When they finally find the monarch, they find an imposter in his place.

Zoltar attacks Arcturus, where the Conway Tapes have been transferred. G-Force is ordered to go to the planet incognito.

Zoltar proclaims the planet to be under the rule of Spectra, but G-Force are unable to counter attack, as they fear that Princess and Keyop are in the line of fire.

An Egyptian temple disappears from Earth. 7-Zark-7 finds the temple has reappeared on Alpha 3 and sends G-Force there undercover to investigate. While there, a woman mistakes Keyop as her missing son, Ali.

G-Force attempt to defend a space colony on the planet Zebor from an attack by Spectra.

Spectra creates a huge bomb, hidden somewhere in the city. Chief Anderson's suspicions lead him to send G-Force undercover to the baseball stadium.

Spectra unleashes what looks like a giant bowling ball on Earth, and G-Force is helpless in stopping it. None of the Phoenix's missiles or defenses can stop the giant ball. While on a break to ponder the possibilities, Mark sees Keyop playing with a magnet and ball, given to him by Zark. Mark gets the idea to build a giant magnet to attract and destroy the giant ball. The plan is to use the Phoenix to lure the ball into the magnet. When that fails, Mark infiltrates the ball and takes control, sending it into the giant magnet, destroying both. The other G-Force members think Mark is killed in the explosion. However, as all are standing around the fire in tears, Mark flies down from the sky to join them without a scratch.

7-Zark-7 has a hunch that Spectra is about to unleash a scheme on Planet Odin and sends G-Force there. The chief of that planet turns out to be intent on capturing Colonel Chronos and working with Zoltar who will give him a great new weapon.

In Spectra's latest attack, they send locusts to devour Earth's food supplies. Professor Chambers contacts G-Force and they send Keyop back with him to South America. They are attacked by the locusts and forced to crash land in the Amazon. G-Force must rescue them and stop the Giant Locust from destroying the Earth.

A young, married couple stayed behind to help defend a base from an attack by Spectra. Both survived and were brought back to Earth as heroes. Zoltar wants to eliminate them (both are eyewitnesses to the Spectran attack) and both have parents that are highly placed in the government. He orders them kidnapped and brought to Spectra. It's up to G-Force to rescue the two from Zoltar.

Keyop investigates Witch's Island, which he suspects to be a Spectra base.

When the team is called to assemble, Jason has an accident is unable to join the team, leaving them at a disadvantage as they face Zoltar's attack.

G-Force is headed for their mountain retreat headquarters for a few days. Jason is driving Chief Anderson when they are attacked by a strange car and a woman wearing a mask. Only Jason's skill and a hidden capability of the car they are riding in save their lives. Zoltar's sister Mala is put in charge of sabotaging the Solar Express, the first monorail to circle the globe. Mala pretends to be with Public Relations as Marla Latras, in order to ride on board with Chief Anderson, who is accompanied by Mark. It soon becomes apparent Mala has more in mind than to destroy the Solar Express, but also plans on eliminating Chief Anderson himself!

Spectra steals the Conway tapes. Mark and Princess are trapped on a Spectran spy ship and taken to planet Spectra. They recover the Tapes and try to escape, but are captured by Spectra. Jason, who has followed them without orders, rescues them and they must battle their way through the Spectran defenses to escape.

The team has to defend construction of a secret base.

G-Force travels to planet Spectra to launch an attack, but Jason is having problems with blurred vision.

Galactor develops a ray that causes the members of G-Force to revert to their civilian clothing.

Spectra sends their latest Mecha to Earth-the Beetles! The Beetles are powered by human life energy and 4 boys (one is Keyop! ), are captured by Spectra to power the Mechas. G-Force must find a way to rescue Keyop and the others and stop the Beetles before Earth is destroyed!