S1, E6: Throughout history, legendary weaponry and advanced technologies have often been attributed to divine or extraterrestrial influences. Japanese swords were believed to be forged with the help of the supernatural, while mythical weapons granted by otherworldly beings were wielded by iconic figures like Joan of Arc and King Arthur. Even more intriguing is the evidence suggesting the existence of intelligent defense systems seemingly protecting Earth. Could all of these weapons have originated from... an alien arsenal?