Nova and Ledger take a deep dive into Gary Bates' book Alien Intrusion. The book takes a grounded research-based approach to the UFO phenomenon. Mr. Bates was both a Christian apologetic and avid science-fiction fan for a couple of decades before he decided to unravel the mystery behind the UFO phenomenon. He exposes the truth behind some of the UFO industry's biggest cases and findings by researchers. What he theorizes about what all the UFO sightings and abductions are will make you question every UFO story you've ever heard.