Mystery TV schedule

When it comes to identifying mysterious objects in our skies, few people are more qualified than pilots and astronauts - but are sightings common?

Uncover new evidence pointing to the possibility that ancient man was visited by extraterrestrials, influencing architecture, art and more.

UFOs appear over three of Sweden’s power plants, two airports and the Royal Palace. Is the country about to be attacked by some unearthly force? A serviceman who says he encountered a UFO finally receives a medical payout from the US military.

To this day, NASA denies all UFO accounts and has taken measures to prevent its astronauts from telling their stories. But what are they hiding?

Some experts believe many atmospheric light shows are actually caused by extraterrestrials. If so, do they pose an imminent threat to humanity?

The compelling series returns to examine more eerie reports of UFOs. Can it determine where in the universe such strange flying crafts could be coming from?

A look at frightening reports of alleged alien abduction, including cases in which abductees claim to have been subjected to torturous medical experiments.

A strange structure discovered in the Gobi Desert could reveal the whereabouts of lost treasure - changing everything we know about Genghis Khan.

In 1953, a team of archaeologists digging in the ruins of the ancient city of Jericho unearth a strange object that looks like a misshapen head. It becomes known as the Jericho Head. It is nearly 10,000 years old and appears to be made of clay.

In 1928, a workman digging in the ancient Babylonian city of Ur discovers the decayed remnants of a wooden box that has captivated archaeologists for nearly a century. It’s trapezoidal in shape, nineteen inches long, eight and a half inches high.

A wave of sightings in Colares, Brazil, causes mass panic with people fleeing the island. In Australia, a flying object causes a severe headache for a farmer.

Officials must decide how to confront an unidentified object hovering over an Air Force base. Plus, a priest interacts with a saucer-shaped metallic craft.

While hunting in Idaho, two brothers witness something extraordinary that defies explanation. Plus, a strange metal craft passes over Antananarivo, Madagascar.

Texas police receive several calls about a flying object. Plus, a property inspector is knocked unconscious when he comes in contact with a strange metallic object.

A mysterious opening caught on camera on the Red Planet – could this be a gateway to a base on Mars? A UFO appears to invade an Amazon village and leaves a trail of victims – and an unidentified craft gate-crashes the Queen’s Jubilee celebration.

A man in Missouri films what looks like a metal cube spinning in the sky. Something very similar is seen elsewhere. Could it be the same UFO or are there multiple unidentified flying cubes hovering over the American continent?

From mid-air abductions to near-disasters caused by unseen enemies, experts examine if we are alone in the skies over Earth.

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

In a museum in Southwark, south London, is a strange brown felt object. It stands about eight inches high and is covered in 88 teeth… human teeth. It is believed to be nearly 200 years old and comes from the collection of an eccentric Victorian.

Stored in the archives of the Congregation of the Sacred Hearts of Jesus and Mary in Rome is a strange wooden tablet about 12 inches long, eight inches wide and an inch thick. It’s known as the Mamari Tablet.

At a mysterious site in the Gobi Desert, experts discover a monster graveyard - a groundbreaking find containing treasures of alien beasts.

Cold War spy satellite photographs of mysterious structures hidden in Poland's forest motivate local archaeologist Grzegorz Kiarszys to hunt them down

A wave of sightings in Colares, Brazil, causes mass panic with people fleeing the island. In Australia, a flying object causes a severe headache for a farmer.

Officials must decide how to confront an unidentified object hovering over an Air Force base. Plus, a priest interacts with a saucer-shaped metallic craft.

While hunting in Idaho, two brothers witness something extraordinary that defies explanation. Plus, a strange metal craft passes over Antananarivo, Madagascar.

Texas police receive several calls about a flying object. Plus, a property inspector is knocked unconscious when he comes in contact with a strange metallic object.

A mysterious opening caught on camera on the Red Planet – could this be a gateway to a base on Mars? A UFO appears to invade an Amazon village and leaves a trail of victims – and an unidentified craft gate-crashes the Queen’s Jubilee celebration.

A man in Missouri films what looks like a metal cube spinning in the sky. Something very similar is seen elsewhere. Could it be the same UFO or are there multiple unidentified flying cubes hovering over the American continent?

From mid-air abductions to near-disasters caused by unseen enemies, experts examine if we are alone in the skies over Earth.

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

If extraterrestrials visited Earth would they enlighten us or destroy us? Experts examine the possibility of a doomsday orchestrated by an alien enemy.

A fascinating and shocking countdown of the top ten military encounters between Earth's armed forces and UFOs.

A mysterious nighttime explosion shakes a German village. When the culprit is identified as a massive, long-dormant Nazi bomb, it triggers an aerial hunt to rid a town of these deadly relics of World War II.

Sometimes, the greatest mysteries revealed by satellites aren't what you can see, but what you can't. Why does a town appear on maps for decades, yet it is invisible from space?

Hatshepsut was born about 1500 years BCE, at the start of the 18th dynasty. Brought up at the centre of power, she could have been relegated to oblivion, as so many princesses were... However, she was one of Egypt’s greatest rulers.

Eyes in the sky uncover something disturbing in Alaska - a settlement large enough to house thousands of people, wiped out by artillery and bombs. What happened here?