Sky History2 SkyTV

The Lost Standard, the Steam Gun and the Sacrificial Throne: Investigate an intriguing 3,500-year-old box, a steam-powered gun and a monument that may have been an Aztec throne. (S2, ep 8)

The Shoot Down Order: Jets are scrambled to intercept a UFO, but find they are unable to complete their Shoot Down Order. (S4, ep 5)

Seeing is Believing: For decades, governments around the world have investigated UFO sightings. How are these top-secret studies conducted? (S4, ep 6)

A team of experts investigate some of the most well-known UFO cases of the last 75 years, hoping to uncover the truth. (S1, ep 6)

Deathbed Confessions: Many believe that extraterrestrial secrets are not just limited to the military - so could deathbed confessions provide evidence of the existence of UFOs? (S1, ep 6)

Two cousins encounter a "mothership" three times the size of a football stadium in 1996. In 1967, guards at an air force base in Montana spot a UFO and all hell breaks loose. (S1, ep 1)

In 1993, a teenage girl walking her dog in Shropshire, England, witnesses a cylindrical object in the sky. School kids in Florida report multiple UFO sightings in 1967. (S2, ep 2)

Norton Priory, Chesire: Archaeologists study skeletal remains, uncovering stories of medieval life and ancient diseases like an unusual form of Paget's disease. (S1, ep 8)

Heroes and Villains: Stories of heroes and the villains encountered on their adventures are among the most thrilling in all mythology - but they come with controversial theories. (S1, ep 1)

Out of this World: See a giant glacier on Mars, milky seas near Java, a hexagon over Saturn and a doughnut-shaped lake in Saskatchewan. (S3, ep 1)

Shipwrecked Sailors of the Roman Empire: Kevin Sempé dives in search of wrecks harking back to the Roman Empire. The journey begins with the Nave Romana. (S2, ep 1)

Doomsday: On 8 April 2011, the FBI declassified decades of top secret government documents for the first time. Here, experts examine the possibility of the end of the world. (S1, ep 1)

Mind Control: From the Cold War to the TV set, experts question whether the government is actively controlling what you think, how you act and what you believe. (S1, ep 3)

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 7)

Inside UFOs: Those who claim to have been abducted by extraterrestrials give their accounts of the interior of their spacecrafts. (S4, ep 7)

Unwelcome Visitors: If aliens have visited Earth, what are their intentions? Do they wish to experiment on the human body, or the human mind as well? (S4, ep 8)

A team of experts investigate some of the most well-known UFO cases of the last 75 years, hoping to uncover the truth. (S1, ep 7)

Wales: Some believe a UFO was shot down by the RAF above South Wales in 2016. Craig and Sarah examine the evidence as they try to discover if it was an extra-terrestrial event. (S1, ep 1)

Dozens of witnesses report seeing a fiery object falling through the Pennsylvania sky in 1965. In 1997, Phoenix residents claim to spot boomerang-shaped UFOs above their homes. (S1, ep 2)

In 1966, two Ohio police officers spot a strange light in the sky, triggering a chase across state lines. An ex-military man in Florida is knocked out by a beam of light in 1965. (S2, ep 3)

Crusaders of Vadum Jacob: The siege of Vadum Jacob in 1179 saw Muslim forces overcome the Knights Templar. Now, forensic analysis of the battleground can shed light on the war. (S3, ep 1)

The Wild Unknown: The wild is a rich setting for myths and legends, with countless tales about the wilderness and the fearsome monsters within it. (S1, ep 2)

When mysterious structures are discovered deep in a remote forest, experts investigate if this strange site was the long-lost birthplace of a top-secret Nazi project. (S7, ep 1)

Out of this World: See a giant glacier on Mars, milky seas near Java, a hexagon over Saturn and a doughnut-shaped lake in Saskatchewan. (S3, ep 1)

Shipwrecked Sailors of the Roman Empire: Kevin Sempé dives in search of wrecks harking back to the Roman Empire. The journey begins with the Nave Romana. (S2, ep 1)

Doomsday: On 8 April 2011, the FBI declassified decades of top secret government documents for the first time. Here, experts examine the possibility of the end of the world. (S1, ep 1)

Mind Control: From the Cold War to the TV set, experts question whether the government is actively controlling what you think, how you act and what you believe. (S1, ep 3)

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 7)

When mysterious structures are discovered deep in a remote forest, experts investigate if this strange site was the long-lost birthplace of a top-secret Nazi project. (S7, ep 1)

UFOs: Why Are They Here?: Every inexplicable flash or strange aircraft makes us believe we've spotted extraterrestrials - but what if they've been watching us all along? (S1, ep 9)

Washington State: A new report is made every 55 hours in Washington state, which is America's highest rate of UFO sightings per capita - but why are UFOs choosing to hover here? (S1, ep 1)