The epic tragedy of Medusa, the most infamous female fiend in Greek mythology whose look turned every living thing to stone. But what is the true story behind the myth? Are there clues in the night sky to the origins of the tale?

Continuing this hit series, MonsterQuest uses the latest technology to search for legendary creatures. Worldwide, there have been hundreds of mysterious sightings spanning many centuries.

In April 1897, an unidentified craft crashed in Aurora, Texas. Locals claimed they buried the spaceship and its alien pilot. Can a new search uncover the remains?

From a cave in Ecuador said to hold metal tablets containing alien knowledge, to an underground city in Turkey, these are the stories of supposed extraterrestrial lairs.

Throughout history the same builders and engineers that paved man's path out of the caves also caused some of mankind's worst disasters. Often a huge calamity is traced back to a tiny cause, insignificant in itself, but triggering a domino effect.

In the '80s, channel-hopping was fast and fun, but with the pressure of competition mounting, the countdown to tragedy began. Putting speed over safety turned an exciting day trip into one of Britains worst maritime disasters since the War.

Travel to the island nation of the Philippines, where the indigenous fighting style, Eskrima, was formed. From ancient forts in Cebu City to a modern military base in Manila, our hosts will learn the stick and knife techniques.

The Avro Lancaster is the legendary British heavy bomber that carved its place in history with Bomber Command during World War 2. That conflict saw over seven thousand of these iconic aircraft come off the production line.

The epic tragedy of Medusa, the most infamous female fiend in Greek mythology whose look turned every living thing to stone. But what is the true story behind the myth? Are there clues in the night sky to the origins of the tale?

Continuing this hit series, MonsterQuest uses the latest technology to search for legendary creatures. Worldwide, there have been hundreds of mysterious sightings spanning many centuries.

In April 1897, an unidentified craft crashed in Aurora, Texas. Locals claimed they buried the spaceship and its alien pilot. Can a new search uncover the remains?

From a cave in Ecuador said to hold metal tablets containing alien knowledge, to an underground city in Turkey, these are the stories of supposed extraterrestrial lairs.

Throughout history the same builders and engineers that paved man's path out of the caves also caused some of mankind's worst disasters. Often a huge calamity is traced back to a tiny cause, insignificant in itself, but triggering a domino effect.

In the '80s, channel-hopping was fast and fun, but with the pressure of competition mounting, the countdown to tragedy began. Putting speed over safety turned an exciting day trip into one of Britains worst maritime disasters since the War.

Travel to the island nation of the Philippines, where the indigenous fighting style, Eskrima, was formed. From ancient forts in Cebu City to a modern military base in Manila, our hosts will learn the stick and knife techniques.

Unusually, we look at the later, clipped wing version flown by Czech refugee pilots in the UK during WW2. We get close-up with a beautifully restored example, fly her and unearth long unseen test and operational footage.

The Viking world's most famous warrior, the legend of Beowulf is the ultimate tale of courage.

The most venomous creature of the sea is on the move and spreading across the oceans leaving a trail of poisoned victims. These monsters, known to kill within three minutes, have been part of the ecosystem for more than 500 million years.

Some experts claim that UFO wreckage is stored in a top-secret facility in Dayton, Ohio. Former employees spin a tale of alien bodies and flying saucer debris.

Biblical texts describe winged creatures carrying messages from the heavens. But are angels merely the product of the imagination - or do they really exist?

Treasure hunters Rick and Marty are on the trail of Civil War gold allegedly confiscated from Jefferson Davis in 1865. Part of it lies at the bottom of Lake Michigan, another in a warren of tunnels beneath Michigan, and another in a cave in Utah.

Are the Freemasons an honourable thread in the fabric of America, or a strangely powerful organisation bent on political domination?

The team turn their attention to the Templars' moment of reckoning: the fall of the order in 1307. Coded Templar symbols lead them to a mysterious monastery in Spain that may hold clues to the knights' ultimate survival as a secret organisation.

Unusually, we look at the later, clipped wing version flown by Czech refugee pilots in the UK during WW2. We get close-up with a beautifully restored example, fly her and unearth long unseen test and operational footage.

The Viking world's most famous warrior, the legend of Beowulf is the ultimate tale of courage.

The most venomous creature of the sea is on the move and spreading across the oceans leaving a trail of poisoned victims. These monsters, known to kill within three minutes, have been part of the ecosystem for more than 500 million years.

Some experts claim that UFO wreckage is stored in a top-secret facility in Dayton, Ohio. Former employees spin a tale of alien bodies and flying saucer debris.

Biblical texts describe winged creatures carrying messages from the heavens. But are angels merely the product of the imagination - or do they really exist?

Treasure hunters Rick and Marty are on the trail of Civil War gold allegedly confiscated from Jefferson Davis in 1865. Part of it lies at the bottom of Lake Michigan, another in a warren of tunnels beneath Michigan, and another in a cave in Utah.

Are the Freemasons an honourable thread in the fabric of America, or a strangely powerful organisation bent on political domination?

The team turn their attention to the Templars' moment of reckoning: the fall of the order in 1307. Coded Templar symbols lead them to a mysterious monastery in Spain that may hold clues to the knights' ultimate survival as a secret organisation.

Unusually, we look at the later, clipped wing version flown by Czech refugee pilots in the UK during WW2. We get close-up with a beautifully restored example, fly her and unearth long unseen test and operational footage.