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.
Episodes
Giant from Planet Zyr
1978-09-18
The Fiery Lava Giant
1978-09-19
Raid of the Space Octopus
1978-09-20
Siege of the Squids
1978-09-21
Race Against Disaster
1978-09-22
The Space Rock Concert
1978-09-25
Decoys of Doom
1978-09-26
Attack of the Alien Wasp
1978-09-27
The Thing with 1,000 Eyes
1978-09-28
Panic of the Peacock
1978-09-29
A Whale Joins G-Force
1978-10-02
Peril of the Praying Mantis
1978-10-03
Fastest Gun in the Galaxy
1978-10-04
Mad New Ruler of Spectra
1978-10-05
Attack of the Space Terrapin
1978-10-06
Rescue of the Astronauts
1978-10-09
Raid on a Nearby Planet
1978-10-10
Mammoth Shark Menace
1978-10-11
Big Robot Gold Grab
1978-10-12
The Ghostly Grasshopper
1978-10-13
The Musical Mummy
1978-10-16
Space Rocket Escort
1978-10-19
Space Safari
1978-10-23
Museum of Mystery
1978-10-24
Silent City
1978-10-26
Microfilm Mystery
1978-10-30
Mission to Inner Space
1978-10-31
A Swarm of Robot Ants
1978-11-01
Cupid Does it to Keyop
1978-11-02
Raid of the Red Scorpion
1978-11-03
Spectra Space Spider
1978-11-06
Beast with a Sweet Tooth
1978-11-07
Raid on Riga
1978-11-08
Prisoners in Space
1978-11-09
Capture of the Galaxy Code
1978-11-10
Orion, Wonderdog of Space
1978-11-13
Secret Island
1978-11-14
Jupiter Moon Menace
1978-11-15
Seals of Sytron
1978-11-16
Ghost Ship from Planet Mir
1978-11-17
The Alien Bigfoot
1978-11-20
Super Space Spies
1978-11-21
Vacation on Venus
1978-11-22
Keyop Does it All
1978-11-27
Demons of the Desert
1978-11-28
The Space Serpent
1978-11-29
Rockets Out of Control
1978-11-30
The Space Mummy
1978-12-01
The Sea Dragon
1978-12-04
Perilous Pleasure Cruise
1978-12-05
G-Force in the Future
1978-12-06
The Awesome Armadillo
1978-12-07
Tentacles from Space
1978-12-08
Ace from Outer Space
1979-01-01
Giant Space Bat
1979-01-02
The Great Brain Robbery
1979-01-03
Giant Gila Monster
1979-01-04
The Duplicate King
1979-01-05
Curse of the Cuttlefish (1)
1979-01-08
Curse of the Cuttlefish (2)
1979-01-09
Peril in the Pyramids
1979-01-10
Save the Space Colony
1979-01-11
Zoltar Strikes Out
1979-01-12
Magnetic Attraction
1979-01-15
Peaks of Planet Odin
1979-01-16
Invasion of the Locust
1979-01-17
Victims of the Hawk
1979-01-18
Island of Fear
1979-01-19
G-Force Defector
1979-01-23
The Galaxy Girls
1979-01-23
Conway Tape Tap
1979-01-24
Fearful Sea Anemone
1979-01-25
Strike at Spectra
1979-01-26
The Awesome Ray Force
1979-01-29
The Alien Beetles
1979-01-30
Defector to Spectra
1979-01-31
Rage of the Robotoids
1979-02-01
The Bat-Ray Bombers
1979-02-02
The Fierce Flowers (1)
1979-02-05
The Fierce Flowers (2)
1979-02-06
Charioteers of Changu
1979-02-07
The Sky is Falling (1)
1979-02-08
The Sky is Falling (2)
1979-02-09
Invasion of Space Center (1)
1979-02-12
Invasion of Space Center (2)
1979-02-13
Voice Cast
