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G.I. Joe: A Real American Hero
Season 1 · Episode 52
Primordial Plot
7.030mNovember 12, 1985
Cobra manages to breed dinosaurs with stolen DNA specimens from recently discovered dinosaur fossils. With the new reptilian help, Cobra plans to terrorize civilation.
Episodes
- Episode 1The M.A.S.S. Device: The Cobra Strikes (1)
- Episode 2The M.A.S.S. Device: Slave of the Cobra Master (2)
- Episode 3The M.A.S.S. Device: The Worms of Death (3)
- Episode 4The M.A.S.S. Device: Duel in the Devil's Cauldron (4)
- Episode 5The M.A.S.S. Device: A Stake in the Serpent's Heart (5)
- Episode 6The Revenge of Cobra: In the Cobra's Pit (1)
- Episode 7The Revenge of Cobra: The Vines of Evil (2)
- Episode 8The Revenge of Cobra: The Palace of Doom (3)
- Episode 9The Revenge of Cobra: Battle on the Roof of the World (4)
- Episode 10The Revenge of Cobra: Amusement Park of Terror (5)
- Episode 11The Pyramid of Darkness: The Further Adventures of G.I. Joe (1)
- Episode 12The Pyramid of Darkness: Rendezvous in the City of the Dead (2)
- Episode 13The Pyramid of Darkness: Three Cubes to Darkness (3)
- Episode 14The Pyramid of Darkness: Chaos in the Sea of Lost Souls (4)
- Episode 15The Pyramid of Darkness: Knotting Cobra's Coils (5)
- Episode 16Countdown for Zartan
- Episode 17Red Rocket's Glare
- Episode 18Satellite Down
- Episode 19Cobra Stops the World
- Episode 20Jungle Trap
- Episode 21Cobra's Creatures
- Episode 22The Funhouse
- Episode 23Twenty Questions
- Episode 24The Greenhouse Effect
- Episode 25Haul Down the Heavens
- Episode 26Synthoid Conspiracy (1)
- Episode 27Synthoid Conspiracy (2)
- Episode 28The Phantom Brigade
- Episode 29Lights! Camera! Cobra!
- Episode 30Cobra's Candidate
- Episode 31Money to Burn
- Episode 32Operation Mind Menace
- Episode 33Battle for the Train of Gold
- Episode 34Cobra Soundwaves
- Episode 35Where the Reptiles Roam
- Episode 36The Gamesmaster
- Episode 37Lasers in the Night
- Episode 38The Germ
- Episode 39The Viper is Coming
- Episode 40Spell of the Siren
- Episode 41Cobra Quake
- Episode 42Captives of Cobra (1)
- Episode 43Captives of Cobra (2)
- Episode 44Bazooka Saw a Sea Serpent
- Episode 45Excalibur
- Episode 46Worlds Without End (1)
- Episode 47Worlds Without End (2)
- Episode 48Eau de Cobra
- Episode 49Cobra Claws Are Coming to Town
- Episode 50An Eye for an Eye
- Episode 51The Gods Below
- Episode 52Primordial Plot
- Episode 53Flint's Vacation
- Episode 54Hearts and Cannons
- Episode 55Memories of Mara
- Episode 56The Traitor (1)
- Episode 57The Traitor (2)
- Episode 58Pit of Vipers
- Episode 59The Wrong Stuff
- Episode 60The Invaders
- Episode 61Cold Slither
- Episode 62The Great Alaskan Land Rush
- Episode 63Skeletons in the Closet
- Episode 64There's No Place Like Springfield (1)
- Episode 65There's No Place Like Springfield (2)