Sky History HD Monday

New theories shed light on the world's biggest mysteries, beginning with the unsolved disappearances of aviator Amelia Earhart and hijacker DB Cooper

A focus on Hitler's last soldier in America who defied the FBI for 40 years and the prisoners who revealed the secrets of the death camps

After forging friction folders from a steel coil, finalists must create a blade that requires both precision and detail: the French smallsword

Rene steals the units in Rancho Palos Verdes, California, Mary's locker reveals a sticky past and Justin demonstrates he can turn a small investment into a big return

Emily deals with an all-male day, while Justin seeks Ivy's guidance with his vintage Cadillac parts. Kenny speaks up during the auction - and quickly regrets it

Ivy records a hefty find, Brandi and Jarrod hit it big when they test the waters, while Mary cranks up her profit to the sweet sound of success

Kenny tiptoes down memory lane, Brandi and Jarrod get to work on a tool locker, while Darrell and his granddaughter dig up a creepy find

The Pawn Stars check out a pair of vintage rock t-shirts, Gumby and Pokey toys, a poster by Israeli artist Gad Ullman and unopened Atari games

Big money brings out fierce competition at a rare high-stakes RV auction. Then, the contents of a locker spill out at our bidders' feet, smashing several dangerous objects