Battle of the Planets (1978)

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…

On Space Island, a colonized asteroid, a Lava Giant suddenly appears and goes on a rampage.

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

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

Jason enters a continental auto race with a fellow driver named Lucy. However, Lucy is not all she seems to be. Although used by Spectra to…

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 a…

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 i…

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…

G-Force travels to planet Riga to look into the mysterious disappearance of an investigating team.

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

Spectra sends a mechanical whale to Earth. The Mecha attacks Bay City and G-Force goes after it. The Team interrupts the Spectra ship as it…

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…

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 Zolt…

Professor Doriarity is recruited by Spectra to make a robot horse army. The Great Spirit makes the Professor the new Ruler of Spectra in ex…

G-Force is introduced and faces a challenge against one of Spectra's mightiest machines, the Space Terrapin. To control the Universe, Spect…

Upon their splashdown on Earth, two astronauts are kidnapped by a Manta Ray submarine for discovering the location of Spectra bases on Mars…

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 trac…

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 Ear…

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…

What at first appears to be an exceptionally high powered typhoon hits the world's largest water reserve center in cosmic city. For some un…

Three of earth's top scientist mysteriously vanish, and G-Force is given the mission of protecting the remaining scientists.

G-Force is given the job to escort a new plane, called the FY-9, to the planet Riga.

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…

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 ente…

This episode takes place on planet Exor. One of their island cities is surrounded by an impenetrable wall of radiation created by a Spectra…

Spectra wants to steal Metamorphosis 1, a mecha that can transform into any shape.

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-…

After the city is blacked out, G-Force heads out to find out why. They find a swarm of ants attcking the Solar Fusion Plant. After flooding…

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

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

Stellar City is suffering a terrible drought, so sends supplies to the city by cargo planes. But the is airlifted supply convoy is attacked…

G-Force has to track down a giant beetle mecha, that is eating up whole fields of sugar cane crops, depleting the worlds supply of sugar.

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…

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 contro…

G-Force has ensure delivery of the central mechanism of the dynastrol computer. No one besides the president of the intergalactic federatio…

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…

There have been many planes and ships disappearing in the Bermuda Triangle. Mark and Princess are sent to Shipwreck Island in the Triangle…

Commander Typhon from planet Scorpius is an exile who wants Zoltar's help in defeating his rival opponants on his planet In exchange Typhon…

Galactor attacks Sytron, the only mining and storage facility of Galactite Hydronium for the entire earth. Galactite Hydronium is the fuel…

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 destro…

Spectra is using Bigfoot to keep people from getting too close to their latest base in Tibet. They are working on the "Inter-Frequency Disr…

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…

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…

While G-Force is working as the special guard at the building where the Intergalactic Federation is meeting, Keyop discovers a car with a S…

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

A serpent is attacking oil refineries. After her father is killed in one of the earthquakes, Debbie Harland blames Mark for not being able…

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

7-Zark-7 discovers a new planet, which is called Zarkadia in his honor. G-Force learns that several mysterious plane crashes have been occu…

Spectra attacks the new defense base on planet Aquatica. They capture the base using their new Mecha: the Sea Dragon. Chief Anderson sends…

G-Force is called on to check out the mysterious sinking of a ocean liner.

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 b…

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…

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…

Spectra attacks the Artificial Brain Center on Earth and steals a top-secret "Brain of Evil". The Team tracks down the stolen brain, only t…

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 mona…

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…

An Egyptian temple disappears from Earth. 7-Zark-7 finds the temple has reappeared on Alpha 3 and sends G-Force there undercover to investi…

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…

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…

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 t…

In Spectra's latest attack, they send locusts to devour Earth's food supplies. Professor Chambers contacts G-Force and they send Keyop back…

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 hero…

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…

G-Force is headed for their mountain retreat headquarters for a few days. Jason is driving Chief Anderson when they are attacked by a stran…

Spectra steals the Conway tapes. Mark and Princess are trapped on a Spectran spy ship and taken to planet Spectra. They recover the Tapes a…

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 captur…

Greg, working within the central security agency, seems to be turning traitor for Spectra. Meanwhile, Zark has slipped his fozdic, and cann…

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 wit…

Tiny falls asleep on the Phoenix and fails to answer Mark's call to duty. Because of this, he gets suspended from G-Force only to find that…

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…

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

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 Ande…

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-Fo…

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.