After the death of his father, a farmer believes he witnessed a UFO; Geologist discovers debris at Roswell incident site.

Tormented by childhood memories of abduction, a woman discovers an implant in her body; A sailor captures lights over the Pacific Ocean that he believes are alien craft;

A couple finds unusual footprints in the woods.

A lobsterman from Maine relives a harrowing encounter that has haunted him for years; A family witnesses a strange string of lights in the sky; A man believes he can communicate with alien crafts.

A musician captures a strange object flying over a motorway in California; A tourist takes what could be the most compelling UFO photo ever; Two friends fear they were abducted on a road trip.

A man shares an original Area 51 video from 1992 for the first time; Multiple people capture a Texas UFO sighting; A man films an unusual hovering object in Utah.

A Nevada man sees an object ejecting something in the sky; Concertgoers believe they saw a UFO; Two brothers recover material from an alleged UFO crash site in Needles, California.