You will Watch G.I. Joe: A Real American Hero Season 1 Episode 21 online for free episodes with HQ / high quality. Stream cartoons G.I. Joe: A Real American Hero Season 1 Episode 21 Money to Burn Cobra invents a molecular degenerator to distrupt all U.S. currency, allowing them to mint their own Cobra money. The Joes must destroy the machine before Cobra can takes over the world with the face of Cobra Commander on every paper money.