Season 4
20 episodes
1. The Eliminator
30m · Sep 23, 1991
Overkill recieves an upgrade and becomes The Eliminator, and sets out to destroy the Joes.
2. Chunnel
30m · Sep 24, 1991
At the unveiling of a new tunnel between England and France, Cobra Commander kidnaps the Queen of England and steals the crown jewels, proclaiming himself King...
3. The Sword
30m · Sep 25, 1991
Storm Shadow, Snake Eyes and Night Creeper leader all race for posession of the mythical sword of destiny...
4. El Dorado, The Lost City Of Gold
30m · Sep 30, 1991
Grunt and Cobra Commander by search for El Dorado, The Lost City of Gold.
5. Kindergarten Commandos
30m · Oct 1, 1991
Cobra takes control of a school in the hope of training new Cobra recruits from a young age.
6. Long Live Rock & Roll (1)
30m · Oct 2, 1991
Cobra plans to destroy New York city by using subliminal messages in Rock and Roll music.
7. Long Live Rock & Roll (2)
30m · Oct 3, 1991
The Joes race to stop Cobras Rock and Roll scheme...
8. The Sludge Factor (1)
30m · Oct 7, 1991
Cobra joins forces with the evil Cesspool to pollute the worlds food supplies, and the Joes form the Eco Warriors to combat this new threat...
9. The Sludge Factor (2)
30m · Oct 8, 1991
The Eco Warriors race to stop Cobra Commander and Cesspool from taking control of the world from their volcano base...
10. Messenger from the Deep
30m · Oct 14, 1991
Cobra Commander believes a hidden city under the sea will make him rich, but both the Joes and Cobra find out it holds a more dangerous secret...
11. The Greatest Evil (1)
30m · Oct 21, 1991
Cobra and GI. Joe team up to fight a Drug dealer...
12. The Greatest Evil (2)
30m · Oct 22, 1991
While Duke and his younger brother Falcon have a conflict of their own, Cobra Commander plans to steal the Drug Lord Headmans money reserves.
13. Infested Island
30m · Oct 28, 1991
Cesspool and Cobra Commander attempt to take over the world with giant insects.
14. A is for Android
30m · Oct 29, 1991
Cobra replaces General Hawk with an android replica...
15. Shadow of a Doubt
30m · Nov 6, 1991
Cobra Commander attempts to lure Storm Shadow back into Cobra...
16. Keyboard Warriors
30m · Nov 12, 1991
Destro creates a new computer system named the ASP which can control Cobra weapons around the world.
17. Cobra World
30m · Nov 14, 1991
Cobra Commander tries to convince the world he has gone straight and opens his own theme park...
18. Metal Head's Reunion
30m · Nov 19, 1991
Metal-Head goes to his high school reunion in an effort to get a secret armor formula for Cobra...
19. Basic Training
30m · Jan 7, 1992
In a clip show, General Hawk advises the audience what it takes to become a GI.Joe.
20. The Legend of Metal Head
30m · Jan 20, 1992
In another clip show episode, Metal Head relates his time in Cobra to the audience.