You will Watch G.I. Joe: A Real American Hero Season 1 Episode 14 online for free episodes with HQ / high quality. Stream cartoons G.I. Joe: A Real American Hero Season 1 Episode 14 The Greenhouse Effect A top secret nitrogen rocket fuel is stolen from the Joes and is accidentally stored in a greenhouse. The plants grow immensely, giving Destro a plan to seed the world with mutated fruits and vegetables to crush G.I. Joe in this gigantic jungle.