Battle of the Planets follows the adventures of the teenage-hero team G-Force. Mark, Jason, Princess, Keyop, and Tiny travel in The Phoenix to battle the evil forces of Zoltar from Planet Spectra. G-Force is guided by Chief Anderson and 7-Zark-7, but also receives help from Colonel Cronos, President Kane, Susan, and even 1-Rover-1. They are based in Center Neptune, which is far beneath the sea off the west coast of the United States.
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!Watch Now:Amazon
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.
Zoltar attacks Arcturus, where the Conway Tapes have been transferred. G-Force is ordered to go to the planet incognito.
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.Watch Now:Amazon
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.Watch Now:Amazon
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.
Professor Doriarity is recruited by Spectra to make a robot horse army. The Great Spirit makes the Professor the new Ruler of Spectra in exchange for the army and G-Force goes to Spectra to stop him. They arrive to find that Spectra has turned on the Professor and they must now rescue the Professor and stop the robot horse army.
G-Force travels to planet Riga to look into the mysterious disappearance of an investigating team.Watch Now:Amazon
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.
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.
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.
Princess is sent to the Himalayas alone to investigate some mysterious charioteers.
Spectra's missiles hit the research center, with Mark, Princess and Chief Anderson trapped inside.Watch Now:Amazon
Spectra attempts to discover the location of a major research center in order to launch an attack on it.Watch Now:Amazon
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.
Keyop stumbles upon a kidnapped girl, and takes it upon himself to rescue her.
On Space Island, a colonized asteroid, a Lava Giant suddenly appears and goes on a rampage.
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.
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.Watch Now:Amazon
G-Force travels to planet Spectra to launch an attack, but Jason is having problems with blurred vision.
G-Force is called on to check out the mysterious sinking of a ocean liner.Watch Now:iTunes
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.Watch Now:Amazon
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.
Zeno, the Zenobian has escaped from the protective custody. Mark goes undercover to try to find him.