Cobra strikes! Paris, Tokyo, and Washington, D.C. are attacked by MegaB.A.T.s, and G.I. Joe is there to fight them! But will the Joe team be enough to stop the extra-large androids from wreaking havoc in these three capital cities? And is there more to the fiendish Cobra Commander's plans than simple destruction? Find out in "Three Heads of the Serpent", the second chapter in this extension of the classic animated adventures of G.I. Joe!