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Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases.

Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them.

C: Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology.

Investigate the theories behind where the Ark of the Covenant - an artefact thought to be the most sacred relic of the Israelites - may be hidden.

The USS Enterprise became the first ship to receive the Presidential Unit Citation in WWII, following its mission during the bloody Gilbert invasion.

Discover the link between Nazis in New Mexico and a mystery craft in Roswell, explore Australia's underground labyrinthine abyss and decode the cypher of Atomic Island.

Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them.

C: Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology.

Rick and Beau return to tackle new rivers in a brand-new series. From Wales to Scotland, the pair investigate the cold and murky waters of historic sites. (2 of.

Andy makes a startling discovery at the site of the Rendlesham UFO incident, before sending psychic Simi to investigate one of Britain's most haunted inns.

Hamilton White and Carl Cookson are back on the trail of some truly astonishing relics in season two. (1 of.

The USS Enterprise became the first ship to receive the Presidential Unit Citation in WWII, following its mission during the bloody Gilbert invasion.

Host Tony Harris separates the real from the fake in some of the top UFOs caught on camera in recent history.

Discover images of an Iceland cave that could hold alien secrets, military structures in the Utah desert and a bloody stain in the sands of Saudi Arabia.

The team travels to Sedona, Arizona, long known for strange phenomena, to interview witnesses to unexplained sightings of lights and objects in the skies.

Using homemade instruments to carve a hole in the roof after climbing prison pipes, eight inmates escaped from a New Mexico detention centre in 2008.

History's most acclaimed prophet, Nostradamus, saw the arrival of three Antichrists that would plague mankind. But who are they.

Investigate the theories behind where the Ark of the Covenant - an artefact thought to be the most sacred relic of the Israelites - may be hidden.

Bloody Mary: Professor Alice Roberts explores the death of the infamous Bloody Mary, who experienced phantom pregnancies in her desperation for a child and heir.