You will Watch G.I. Joe Sigma Six Episode 11 online for free episodes with HQ / high quality. Stream cartoons G.I. Joe Sigma Six Episode 11 Lift Off While Scott and his pals are visiting a Rocket Base, Cobra takes over and plans on sending a massive rocket into space to wreak havoc on the Earth. Heavy Duty must sneak in, and help out the kids. With Tunnel Rat, Scarlett and Duke on the scene as well, the Cobra Forces abandon their plans.