MysteryX HD Thursday

Dan Jones heads to Gwynedd to explore the history of Caernarfon Castle, the military importance of which faded at the end of the 15th century when Henry Tudor became king

Kevin Sempé dives into the blue waters of the Caribbean to find the relics that litter the sea floor from piracy's heyday in the region

How influential and powerful people try to spread their own truth by any means. In times of war, lies serve to justify bloodshed and to disguise the facts

Wars and conflicts are often fought under the guise of religion. Rudolph Herzog analyses how faith has been functionalised for worldly interests throughout history

Patterns in UFO and UAP sightings across the world. A strange formation is seen in the sky over the sleepy suburbs of Tinley Park, Illinois

A look at the mounting evidence that suggests UFOs are able to penetrate the world's most closely guarded airspace at will

Contemplating the motivations behind alien visits to Earth, such as the desire to experiment on the human body and mind

Eye-witness accounts and footage, plus expert analysis and innovative special effects show what UFOs might see from their own perspective

Exploring reports of sinister flying objects that were allegedly seen above secret military bases during the Cold War

Strange black holes appear near Egypt's pyramids, ruins in Peru suggest the Incas knew more than may be imagined, and a mysterious red swarm invades a beach in India

A lake in Canada that may hold the key to whether life exists on Mars. Plus, a Second World War aerial photo possibly containing a coded message left by a vicious religious fanatic

Andy McGrath returns to Cornwall, where he meets a real-life mermaid, stalks a local churchyard for owl men and faeries, and stops off at a haunted smugglers' inn

Dan Jones heads to Gwynedd to explore the history of Caernarfon Castle, the military importance of which faded at the end of the 15th century when Henry Tudor became king

Kevin Sempé dives into the blue waters of the Caribbean to find the relics that litter the sea floor from piracy's heyday in the region

How influential and powerful people try to spread their own truth by any means. In times of war, lies serve to justify bloodshed and to disguise the facts

Wars and conflicts are often fought under the guise of religion. Rudolph Herzog analyses how faith has been functionalised for worldly interests throughout history

A look at the Battle of Actium in 31 BC, a decisive naval engagement that pitted the forces of Octavian against those of Mark Antony and Cleopatra

Garth Barnard investigates how thousands of soldiers during the Second World War died in catastrophic air accidents and tragic training crashes

The documentary concludes with a look at a 1943 crash in Gibraltar, which killed Polish Prime Minister in exile Wladyslaw Sikorski

Patterns in UFO and UAP sightings across the world. A strange formation is seen in the sky over the sleepy suburbs of Tinley Park, Illinois

A look at the mounting evidence that suggests UFOs are able to penetrate the world's most closely guarded airspace at will

Contemplating the motivations behind alien visits to Earth, such as the desire to experiment on the human body and mind

A look at the Battle of Actium in 31 BC, a decisive naval engagement that pitted the forces of Octavian against those of Mark Antony and Cleopatra

Exploring reports of sinister flying objects that were allegedly seen above secret military bases during the Cold War

Strange black holes appear near Egypt's pyramids, ruins in Peru suggest the Incas knew more than may be imagined, and a mysterious red swarm invades a beach in India

A lake in Canada that may hold the key to whether life exists on Mars. Plus, a Second World War aerial photo possibly containing a coded message left by a vicious religious fanatic