The Proof Is Out There S02E05 - Real Excalibur & Texas Teleportation

Could a sword discovered at the bottom of a river really be the famed Excalibur, wielded by King Arthur himself? Did a doorbell cam capture proof that teleportation is actually possible? And is a family being visited by aliens every Independence Day? Tony Harris and his team of experts examine the clues and make a determination about the validity of what we're seeing.