Beyond the Unknown: Season 2, Episode 9

2 - 9: Yeti, Roswell and Mummies

Don Wildman uncovers the secret behind dozens of perfectly preserved mummies in Mexico, examines an intriguing piece of Yeti evidence and investigates the world's most-famous UFO conspiracy, A mystery involving what's known as the Alaskan Triangle, A highwayman who's life ends with a macabre twist, two Nasa interns that plan a daring heist, A petition that may or may not save a life in Salem Massachusetts.