Examines various explanations and evidence related to UFO sightings and alien encounters throughout history.

Presents the legend of Bigfoot, the descriptions given of the ape-like creature, and how investigators have sought to verify or disprove its existence.

Describes the history, sightings, and search for the Loch Ness monster.

Describes the history, sightings, and possible causes of UFOs.

Delves into the world's most fascinating unexplained disappearances, including Amelia Earhart, the passengers on the SS Waratah, and the lost colony of Roanoke.