Mysteries at the Museum
Season 20 Episode 17 - Secrets of the Deep
Don investigates a sea monster, an unlikely enemy and an underwater enigma.
Audio Languages: English
Subtitles: English
Season 20
S20:E01 - Lindbergh Kidnapping
Don throws open the books on the Lindbergh kidnapping.
S20:E02 - Lunar Fender Bender and More
Don examines a roadside repair, Nazi-fighting sisters and billiard balls.
S20:E03 - Cold War Secrets
Don Wildman uncovers some of the Cold War's most closely guarded secrets.
S20:E04 - Presidential Cheese and More
Don examines a pestilent stench, a space crisis and an epic college prank.
S20:E05 - Cleopatra
Don Wildman travels to Alexandria, Egypt, to search for Cleopatra's tomb.
S20:E06 - Hollywood Dog and More
Don showcases a famous canine, a folk hero and an over-the-top contest.
S20:E07 - Space Race
Don explores the race to the moon between the US and the Soviet Union.
S20:E08 - Jack the Ripper and More
Don investigates a serial killer, an unusual currency and a deadly illness.
S20:E09 - China Clipper and More
Don investigates a batch of letters, a map of an island and a sword.
S20:E10 - Ghost Ship and More
Don examines a haunting Alaskan mystery, a winter sport and a musical duel.
S20:E11 - Missing Toe Murderer and More
Don examines a murder mystery, a near-death experience and a canine hero.
S20:E12 - Unbelievable Inventions
Don examines inventions that changed the world.
S20:E13 - Terror Ship and More
Don investigates a ghost ship, an evil stepmother and century-old message.
S20:E14 - First Time Explorers
Don examines a lost city, a race around the world and a North Pole visit.
S20:E15 - Lord Lucan and More
Don examines a high society crime, an epic comeback and a stormy rescue.
S20:E16 - Foo Fighters and More
Don investigates eerie orbs, high-flying spies and a mysterious castle.
S20:E17 - Secrets of the Deep
Don investigates a sea monster, an unlikely enemy and an underwater enigma.
S20:E18 - Smoking Guns
Don examines key pieces of evidence from America's most notorious crimes.
S20:E19 - Skyscraper Seance
Don examines a seance, a near-death experience and a heartless killer.
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