Watch Yu-Gi-Oh Episode 171 English version online and free episodes. Anime Episode guide, Chapter Yu-Gi-Oh Episode 171 English dubbed Fighting for a Friend (3) Tristan, Tea and the Pharaoh find Joey’s location using KaibaCorp’s satellite and set out to help him. Meanwhile, the duel between Joey and Valon continues. Joey plays the Claw of Hermos, fusing it with Rocket Warrior to create Rocket Hermos Cannon. He is finally able to destroy Valon’s armor – only to have him resummon it on his next turn. After a critical blow by Valon, Joey activates a trap card, Aura Armor, allowing him to wear a speial armor that gives him unique abilities in order to combat Valon’s strategies.