You will Watch G.I. Joe: A Real American Hero Season 1 Episode 15 online for free episodes with HQ / high quality. Stream cartoons G.I. Joe: A Real American Hero Season 1 Episode 15 Haul Down the Heavens Cobra creates a weapon called the “Ion Attractor” that can pull down the Aurora Borealis to melt the polar icecaps and flood the world. G.I. Joe and a group of scientists must head north to prevent a global disaster.