Episode 1
Jeremy Wade investigates if one of the Bermuda Triangle's most infamous disappearances was part of a conspiracy by a secret agent at war with the United States, and using technology, experts reveal if it vanished for far stranger reasons.
Episode 2
A sunken Nazi submarine packed with toxic cargo is a ticking timebomb that could put the whole world at risk; Jeremy Wade reveals the sub's top-secret mission on the day it sank and how experts keep it from sparking a global catastrophe.
Episode 3
Jeremy Wade reveals the new deep-sea discoveries that might offer definitive proof of the infamous giant squid, and using this fresh evidence, experts investigate if this underwater monster is the legendary kraken.
Episode 4
Jeremy Wade goes inside a cutting-edge archaeological investigation that is unearthing brand-new discoveries about Noah's Ark; as experts get closer to finding its final resting place, they reveal the long-lost secrets of this famous vessel.
Episode 5
When a mummified body is discovered on an abandoned boat, investigators struggle to explain where it came from, so Jeremy Wade sets out to reveal what happened.
Episode 6
Newly declassified files reveal the details of an unexplained encounter between the US Navy and UFOs that seem to defy the laws of physics; using cutting-edge tech, Jeremy Wade investigates the truth behind this alien mystery.
Episode 7
Mysterious reports of boiling seas in the Bermuda Triangle might be evidence of a deadly undersea volcano with a long list of victims; Jeremy Wade investigates the newest discoveries from this strange stretch of water in search of proof.
Episode 8
Jeremy Wade investigates the whereabouts of a lost relic of the Space Age that tarnished the reputation of NASA's first astronauts; as cutting-edge technology turns up brand-new evidence, experts might finally vindicate this American hero.
Episode 9
Jeremy Wade chases new leads in pursuit of the Loch Ness Monster.
Episode 10
Jeremy Wade reveals details of a high-speed chase between a narco sub and the US Coast Guard; with the help of declassified files and cutting-edge military technology, experts investigate if they've found Pablo Escobar's lost treasure.
