The M.A.S.S. Device: Duel in the Devil's Cauldron (4) 1 Season 4 Episode

Episode #1

The M.A.S.S. Device: The Cobra Strikes (1)

Episode #2

The M.A.S.S. Device: Slave of the Cobra Master (2)

Episode #3

The M.A.S.S. Device: The Worms of Death (3)

Episode #4

The M.A.S.S. Device: Duel in the Devil's Cauldron (4)

Episode #5

The M.A.S.S. Device: A Stake in the Serpent's Heart (5)

Episode #6

The Revenge of Cobra: In the Cobra's Pit (1)

Episode #7

The Revenge of Cobra: The Vines of Evil (2)

Episode #8

The Revenge of Cobra: The Palace of Doom (3)

Episode #9

The Revenge of Cobra: Battle on the Roof of the World (4)

Episode #10

The Revenge of Cobra: Amusement Park of Terror (5)

Episode #11

The Pyramid of Darkness: The Further Adventures of G.I. Joe (1)

Episode #12

The Pyramid of Darkness: Rendezvous in the City of the Dead (2)

Episode #13

The Pyramid of Darkness: Three Cubes to Darkness (3)

Episode #14

The Pyramid of Darkness: Chaos in the Sea of Lost Souls (4)

Episode #15

The Pyramid of Darkness: Knotting Cobra's Coils (5)

Episode #16

Countdown for Zartan

Episode #17

Red Rocket's Glare

Episode #18

Satellite Down

Episode #19

Cobra Stops the World

Episode #20

Jungle Trap

Episode #21

Cobra's Creatures

Episode #22

The Funhouse

Episode #23

Twenty Questions

Episode #24

The Greenhouse Effect

Episode #25

Haul Down the Heavens

Episode #26

Synthoid Conspiracy (1)

Episode #27

Synthoid Conspiracy (2)

Episode #28

The Phantom Brigade

Episode #29

Lights! Camera! Cobra!

Episode #30

Cobra's Candidate

Episode #31

Money to Burn

Episode #32

Operation Mind Menace

Episode #33

Battle for the Train of Gold

Episode #34

Cobra Soundwaves

Episode #35

Where the Reptiles Roam

Episode #36

The Gamesmaster

Episode #37

Lasers in the Night

Episode #38

The Germ

Episode #39

The Viper is Coming

Episode #40

Spell of the Siren

Episode #41

Cobra Quake

Episode #42

Captives of Cobra (1)

Episode #43

Captives of Cobra (2)

Episode #44

Bazooka Saw a Sea Serpent

Episode #45

Excalibur

Episode #46

Worlds Without End (1)

Episode #47

Worlds Without End (2)

Episode #48

Eau de Cobra

Episode #49

Cobra Claws Are Coming to Town

Episode #50

An Eye for an Eye

Episode #51

The Gods Below

Episode #52

Primordial Plot

Episode #53

Flint's Vacation

Episode #54

Hearts and Cannons

Episode #55

Memories of Mara

Episode #56

The Traitor (1)

Episode #57

The Traitor (2)

Episode #58

Pit of Vipers

Episode #59

The Wrong Stuff

Episode #60

The Invaders

Episode #61

Cold Slither

Episode #62

The Great Alaskan Land Rush

Episode #63

Skeletons in the Closet

Episode #64

There's No Place Like Springfield (1)

Episode #65

There's No Place Like Springfield (2)