The only man who Sensei Ping could not defeat, El Sapo Dorado was the former leader of the Mexican Luchadores. After traveling the world searching for a warrior who could defeat him, he challenged Sensei Ping to a series of duels over twenty-five days, including: * Hand-to-hand combat * Swordfighting * Airborne combat in fighter planes * Rock 'Em Sock 'Em Robots