The G.I. JOE vs The Transformers saga continues as the AUTOBOTS return to earth and with the help of G.I. JOE plan on destroying all Cybertronian technology. But Serpentor has other objectives.

COBRA gains control of giant, transforming robots and uses them in their attacks. In response, the United States military forms an elite group of soldiers, G.I. JOE. COBRA COMMANDER, MEGATRON, HAWK, BUMBLEBEE, OPTIMUS PRIME, and more do battle.