G-Force is introduced and faces a challenge against one of Spectra's most mightiest machines, the Space Terrapin. To control the Universe, Spectra will stop at nothing to steal Earth's most valuable mineral: Vitalumis. Mark, Jason, Princess, Keyop, and Tiny (with help from 7-Zark-7 at Center Neptune) power The Phoenix to victory over Zoltar and Spectra.

Upon their splashdown on Earth, two astronauts are kidnapped by a Manta Ray submarine for discovering the location of Spectra bases on Mars. G-Force is called upon to resuce the astronauts and retrieve the valuable information they obtained. Mark infiltrates Spectra's base, and is later joined by Keyop to return the astronauts to The Phoenix. The Spectra Commander escapes in the head of the Space Terrapin, only to be destroyed by the Fiery Phoenix.

7-Zark-7 discovers a new planet, which is called Zarkadia in his honor. G-Force learns that several mysterious plane crashes have been occurring on the planet, so Mark travels undercover to investigate. There, he meets Dr. Sweet, who has developed a compound that can render Spectra's latest weapon useless. Sweet hid his creation in his nephew's toy, whose father was a pilot of a plane lost and spends all his days at the airport waiting for his father to return. When it seems like the pilot does indeed return, Sweet is first very happy his brother was back, but then realizes it wasn't him and finds the imposter trying to break into his personal safe. It turns out to be Zoltar, looking for the compound. In the meantime, Mark discovers Spectra is using a giant mummy to bring down the planes, and the rest of G-Force joins him, using Sweet's compound to destroy the mummy. With the compound secure, Spectra will never be able to use their weapon again.

A serpent is attacking oil refineries. After her father is killed in one of the earthquakes, Debbie Harland blames Mark for not being able to help him. Mark then needs to balance helping Debbie with saving other refineries.

Brok, a disposed leader of Mir, joins up with Zoltar to get the planet back. G-Force gets called out from vacation to stop them from destroying an important underwater base. During the final battle, 3 strange fighters show up and save G-Force's lives.

Bars of gold are stolen from the Intergalactic Federation, and G-Force is sent out to get it back. While searching one of the islands where the gold might be hidden, Mark, Princess and Keyop are captured and taken to a secret Spectra base.

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.

Plusieurs savants disparaissent en l'espace de quelques jours. Chacun des membres de la force G doit assurer la protection d'un éminent scientifique. 7 quark 7 semble penser que ces enlèvement pourraient avoir un rapport avec un objet ayant fait route vers la Terre...

Les membres de la force G doivent prendre la direction de l'île flottante, où un volcan menace de causer bien des remous. Mais en descendant dans le cratère, les aigles se retrouvent bientôt en grand danger...

Pour avoir commis une faute, Allumette est suspendu de la Force G. Alors qu'il prend un peu de vacances, ses amis viennent lui rendre une petite visite, mais celui-ci semble leur en vouloir. Tous se retrouvent bientôt sur les traces d'une mystérieuse raie...

Afin de contrer les exactions de Spectra, la Force G lance une attaque contre le quartier général de leur base n° 1. Afin de faire diversion, Zoltar se voit alors sommé par son supérieur, la suprême clarté, d'attaquer la planète Melodia...

Afin de contrer les exactions de Spectra, la Force G lance une attaque contre le quartier général de leur base n° 1. Afin de faire diversion, Zoltar se voit alors sommé par son supérieur, la suprême clarté, d'attaquer la planète Melodia...

Afin de leur permettre de se détendre, 7 Quark 7 a autorisé les membres de la Force G à assister à un rallye auquel Thierry doit prendre part, secondé par une jeune femme. C'est alors que le robot est averti qu'un danger risque d'y attendre nos héros...

Sa planète commençant à manquer de ressources, Zoltar décide cette fois de frapper dans le golfe Persique, afin de s'emparer des gisements de pétrole. Les membres de la Force G sont alors dépêchés sur les lieux...

Des signaux étranges sont captés au environs du Portugal. Au milieu du brouillard, au large des côtes, un phare se met bientôt à changer de place, tandis qu'un bateau est attaqué par de redoutables calamars. La patrouille des aigles est bientôt dépêchée sur place...

Spectra a déclaré une guerre écologique, en déséquilibrant le climat, ce qui a pour effet de déclencher des sécheresses ça et là. La force G, secondée par Orion, un chien, et le Dr Baxter, qui a mis au point une invention capable de faire fondre les glaces polaires...

5 Sybelle 5 affirme à 7 Quark 7 qu'elle a aperçu un ovni partir de la planète Spectra. Celui-ci décide de garder l'objet à l'oeil. A son bord, se trouve le capitaine Morloch. Une pluie de fleurs venues de l'espace s'abat bientôt sur la Terre...

5 Sybelle 5 affirme à 7 Quark 7 qu'elle a aperçu un ovni partir de la planète Spectra. Celui-ci décide de garder l'objet à l'oeil. A son bord, se trouve le capitaine Morloch. Une pluie de fleurs venues de l'espace s'abat bientôt sur la Terre...

Les hommes de Spectra pensent pouvoir affirmer leur suprématie sur la race terrienne en ayant recours à un moyen original: le bruit. Pour ce faire, Zoltar enlève un groupe de rock qu'il compte utiliser pour arriver à ses fins...

Alors qu'il souhaitait simplement se faire remorquer jusqu'à un téléphone, Allumette se retrouve bientôt emprisonné. Or, la prison en question tombe bientôt aux mains des hommes de Spectra, qui envisagent d'emmener les prisonniers sur une autre planète...

Spectra vient de frapper en détruisant une centrale hélio-énergétique. Seuls deux chercheurs sont restés sur cette planète, dans l'espoir de réparer celle-ci. Mais les recherches de 7 Quark 7 pour retrouver ceux-ci sont empêchées par des orages électromagnétiques...

La planète Pacifia a reçu des menaces de la part de Spectra, et envoyé un S.O.S. à 7 Quark 7. Spectra utilise une arme, un étrange rayon, à propos duquel ce dernier n'a aucune information...

Kipo s'embarque dans le coffre d'une voiture pilotée par un homme de Spectra, et se lance à la poursuite d'une valise qui contiendrait une bombe. Les autres membres de l'équipe partent à sa recherche...

La planète Riga est menacée par les forces de Spectra. Là, Marc retrouve une vieille connaissance, le professeur Cronus...

What at first appears to be an exceptionally high powered typhoon hits the world's largest water reserve center in cosmic city. For some unexplained reason, the weather control missiles which could have deflected the storm, were never launched. Chief Anderson tries to convince the leaders that the storm was no accident of nature, while G-Force investigates some unusual activity and a possible Zoltar connection.

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!

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.

G-Force flies to Abura, to help their friend the sheik Tabul, whose uncle seized control of the country during his absence.

A cargo ship is destroyed, but the only witnesses, fisherman and his sons, are reluctant to tell G-Force what they know.

Spectra causes a worldwide drought on Earth. Orion, goes out on a dangerous mission with Dr. Backster, who has created a way to melt water from part of the polar caps to relieve the drought. When Dr. Backster discovers a secret Spectra base and is captured, he sends Orion to alert G-Force.

Spectra releases spores on Earth that turn into man-eating flowers.

G-Forced attempted burning the flowers, but it only resulted in the flowers releasing more spores. Princess who was captured by a flower is still missing her fate is unknown.

The Team is relaxing at a Dirty Name 5 concert when Spectra appears! The entire band is kidnapped and forced to play. Their music is used as a sound weapon, literally shaking apart whatever it is directed at. The G-Force team have to rescue the band and stop Zoltar from succeeding in his plan.

Tiny's van breaks down and he is picked up by a Prison van on its way to Barracuda Island, a maximum securty prison. Spectra's gains control of the prison and Zoltar has promises freedom to the prisoners if they will join Spectra. The G-Force team must rescue Tiny and keep the prisoners from escaping.

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.

Riga is attacked by Spectra and Chief Anderson is not sure how to defend against Spectra's new weapon, making the team wait. G-Force grows impatient and rushes off to Riga without any planning or orders. They are badly defeated and have to be rescued by Colonel Cronos. The Team is sent back to Earth, where it becomes apparent that Mark has lost his confidence. Cronos tests Mark's confidence by challenging his nerve while flying. Mark fails, but a little later, while talking with others, he comes up with a plan to defeat Zoltar's Mecha. G-Force flies back to Riga and engages the Spectran mecha in a fight.

Galactor attacks Sytron, the only mining and storage facility of Galactite Hydronium for the entire earth. Galactite Hydronium is the fuel that powers Earth's spacecrafts and holds her forcefields together. G-Force must defend the island and rescue the workers.

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

G-Force has ensure delivery of the central mechanism of the dynastrol computer. No one besides the president of the intergalactic federation is cleared to carry it.

Planet Vega is attacked by Spectra's Space Ray Machine and most of their vital installations are destroyed. G-Force is sent to Vega to track down the Ray Machine and follow it back to the base. They must infiltrate and destroy the base and the Space Ray Machine to keep Spectra from capturing Vega!

While G-Force is working as the special guard at the building where the Intergalactic Federation is meeting, Keyop discovers a car with a Spectra insignia and stows away in its trunk.

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.

Tom, Mark's old friend from the academy, tells him that he has seen Mark's father on Odin, and Mark goes to Riga without telling Chief Anderson. Meanwhile the rest of G-Force is sent to Odin to try and stop the X-3, a doomsday weapon created by Spectra.

With Mark still missing and the X-3 doomsday missile already have been launched and detonated, the only chance to save the Earth is if G-Force can launch Spectra's other X-3 missile to counteract the effects of the first missile.

The Luminous One commands Zoltar to destroy Earth's entire energy capability. Zoltar uses a 'scorpion' mech to go on a rampage, starting by destroying Earth's most important research facility.

Zoltar releases a poisonous pollutant into the ocean which is killing all the fish in the ocean. G-Force has to stop the him before the Earth's entire ecosystem is destroyed.

Spectra agents bring a man who was released from 30 years in prison back to planet Spectra. The ex-prisoner was an expert marksman and Zoltar wants him to operate Spectra's newest weapon, a vehicle mounted gun. G-Force goes to Spectra to investigate.

A team of scientists on Earth develop the Jet Cutter, a new laser to powerful enough to cut through a new indestructible metal that Spectra has developed. But Spectra uses a giant humanoid mech to steal the Jet Cutter. G-Force travels to Zyr to try and find the giant and recover the laser.

There have been many planes and ships disappearing in the Bermuda Triangle. Mark and Princess are sent to Shipwreck Island in the Triangle to investigate. They discover a Spectra base and their latest weapon, the Whirly Knife. Mark summons the team, but can they stop the latest Mech from Spectra ?

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.

Mark while flying his jet encounters Colonel Chronos, who was believed to be dead, and follows him back to his secret base, where he gives Mark documents revealing the location of Spectra's Earth headquarters.

Humanoid decoys of the G-Force team are created to be used as bait in a trap for Spectra. The "real" Mark swaps places with his decoy and is captured by Spectra. Mark must signal the team and lead G-Force to the Spectra base.

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 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.

Zoltar attacks Earth's power plants with a tentacled mech, but when G-Force attacks, the Phoenix experiences malfunctions.

This episode takes place on planet Exor. One of their island cities is surrounded by an impenetrable wall of radiation created by a Spectra bombing attack. Chief Anderson believes the city is a Spectra base and sends G-Force to check it out. The team goes into the city, but they are only able to withstand the radiation for one hour. They are attacked by a Spectra Mecha once they are inside the city. Can G-Force escape the Mecha and solve Spectra's latest plot before their time runs out?

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.

Jason rescues a girl in a cab who is attacked by strange robotic manniquins. Upset that Mark doesn't trust the girl, Jason goes to talk with her, only to find Mark may be right. As a series of attacks terrorize the city, G-Force split up and head into the city to try and track down the attackers and stop them. Matters are made worse as one by one, the members of G-Force start disappearing...

Spectra is using Bigfoot to keep people from getting too close to their latest base in Tibet. They are working on the "Inter-Frequency Disruptor", which affects ships guidance systems, causing them to crash. Keyop takes off for Tibet on his own and is captured by Spectra. He must lead G-Force to the Spectra base and escape before it's destroyed by G-Force. Zoltar is unmasked in this episode!

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.

G-Force shoots down Zoltar. He escapes his ship and the team chases him through the forests of Planet Lukadia. Zoltar has the entire forest rigged with traps.

Princess has lost her shoe and cannot transmute. Upset and at a loss on how she can now be a part of the team, or any help at all, she enters a contest to be a spokesperson for a major company, and inadvertantly is captured by Spectra.

Spectra launches it's latest attack, but when the team is called together Tiny cannot be reached so the team has to attempt to fend off the attack without him.

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

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.

Greg, working within the central security agency, seems to be turning traitor for Spectra. Meanwhile, Zark has slipped his fozdic, and cannot perform his duties.

A giant mechanical peacock constructed by Spectra invades Earth, while Mark is kidnapped and his memory surpressed!

Spectra attacks a mining operation and an explosive mining bit is separated from it's base machine and continues to bore into the earth. G-Force must stop it before it hits magma, causing a devastating earthquake.

Stellar City is suffering a terrible drought, so sends supplies to the city by cargo planes. But the is airlifted supply convoy is attacked by a weapon created by Dr. Streker, who was fired from Center Neptune.

G-Force travels to a distant planet called Paradise Island, where Spectra has set up a a base from which it is attacking and pollution the water reservoirs of Earth.

Keyop stumbles upon a kidnapped girl, and takes it upon himself to rescue her.

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

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

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

Spectra attempts to discover the location of a major research center in order to launch an attack on it.

Spectra's missiles hit the research center, with Mark, Princess and Chief Anderson trapped inside.

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

Princess is sent to the Himalayas alone to investigate some mysterious charioteers.

After what seems to be a volcanic blast on Venus, a huge horn is revealed, which is not originally from there. G-Force travels to Venus to stop the Spectra invaders.

After watching the launch of a rocket ship, Chief Anderson leaves with Secretary Clayborne. But it turns out that Secretary Clayborne is an impostor.

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

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.

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.