Ever since the first atomic bomb went off in 1945, UFOs have been spotted at nuclear facilities across the world. Could this signal a threat to mankind.

Bludgeoned to death whilst walking down a country lane, the horrific murders of Lin and Megan Russell made worldwide news. Discover the events of that shocking day.

Stories of hospital ships and those who served on them, including the tragic story of the sinking of the Titanic's sister vessel, The Britannic.

The Gates of Hell 1941-1942: In the shadow of the war, the Nazi regime gradually advances its "final solution to the Jewish problem", culminating in the Holocaust.

Experts check out structures built to mirror the constellations. Could they have been built as a message to extraterrestrials.

Ever since the first atomic bomb went off in 1945, UFOs have been spotted at nuclear facilities across the world. Could this signal a threat to mankind.

The troubled beginnings and amazing exploits of the legendary British heavy bomber. Plus, see a replica up close.

A look at the later, clipped wing version flown by Czech refugee pilots in the UK during World War II. Plus, a tour of a restored example.

The Luftwaffe's Frontline Fighter: The astonishing story of the 109 and its modified variants, best known for its role in the Battle of Britain.

Superfortress: The story of the prolonged development and the initially troubled operational history of the Boeing B29 Superfortress.

Germany's Frontline Bomber: A look at one of the most-recognised German aircrafts of WWII and how it became a guinea pig for future bombers.

Exploring the Cold War vessels that played pivotal roles in events such as the blockade of Cuba and the Vietnam war.

In an emotional tribute, witnesses and victims' relatives look back on the murder of 16 children and a teacher at Dunblane Primary School in March 1996.

Hidden In Plain Sight 1935-1938: In 1934, Hitler's government is firmly in the saddle. Most Germans support Hitler's anti-Jewish policy and the regime's terror soon escalates.

Venus: Earth's Evil Twin: Earth's neighbour has volcanoes, clouds of acid rain and a surface temperature hot enough to melt lead - so is Venus our evil twin.

In 2012, the remains of King Richard III were discovered, offering unprecedented insight into the last moments of England's controversial monarch.

Experts check out structures built to mirror the constellations. Could they have been built as a message to extraterrestrials.

Ever since the first atomic bomb went off in 1945, UFOs have been spotted at nuclear facilities across the world. Could this signal a threat to mankind.

In an emotional tribute, witnesses and victims' relatives look back on the murder of 16 children and a teacher at Dunblane Primary School in March 1996.

While the allies aim to end Hitler's domination of Western Europe, British troops are secretly being trained for an enormous, amphibious operation.

In June 1944, the Allied armada launches an assault on the Normandy coast, with soldiers charging in successive waves on a successful and historic day.

The Battle of the Beaches: Retrace the 100 days of battle as the Allies liberated Normandy, broke through the German line and paved the way towards victory.

The guys visit New Brunswick, where they uncover vintage automobiles, a retro coffin and a collector's bargain-priced inventory.

Experts investigate an Italian mountain that's stood witness to inexplicable phenomena for centuries. Could it somehow be attracting alien visitors.

A DNA study released in 2018 revealed that the original builders of Stonehenge mysteriously vanished - did they head back to a home among the stars.

Beverley Allitt was thought to be a 'model' nurse. Very astute, caring and always willing to help, why did she murder four children and attempt to kill 11 others.

Ships don't have to be large to make history, like the 1776 gunboat built to stop a British invasion, or the remarkable story of the HA-19 sub.

Genocide 1942-1944: Along with Treblinka and Majdanek, Sobibor was one of the camps used in Operation Reinhard, in which the Nazis murdered almost two million people.

Experts investigate an Italian mountain that's stood witness to inexplicable phenomena for centuries. Could it somehow be attracting alien visitors.

A DNA study released in 2018 revealed that the original builders of Stonehenge mysteriously vanished - did they head back to a home among the stars.

Experts search ancient accounts of magic for evidence suggesting that the wizards and witches of yesteryear were given otherworldly knowledge by aliens.

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago.

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together.

Experts investigate the power of the number three in history, science and astronomy. Could its huge significance bear links to extraterrestrial life.

Experts investigate why so many UFOs have been spotted near remote islands. Could these far-removed spots be the earthly homes of aliens.

Stories of hospital ships and those who served on them, including the tragic story of the sinking of the Titanic's sister vessel, The Britannic.

Investigation into Jeremy Bamber's murder of his family in Essex in 1985. Sentenced for life, he still maintains he is innocent. Is the right person behind bars.

Up in Flames 1936-1940: At the end of 1939, the German Army invades Poland. Examine how Hitler succeeded in pushing through his rearmament and war plans relatively unhindered.

Explore the theme of society and myths that engulf memories of the past. These myths often become woven into the fabric of our society and can pass through generations.

A battle worthy of Hollywood that founded the glory of Ramses II when he faces the king Muwatalli II at Qadesh.

Experts investigate an Italian mountain that's stood witness to inexplicable phenomena for centuries. Could it somehow be attracting alien visitors.

A DNA study released in 2018 revealed that the original builders of Stonehenge mysteriously vanished - did they head back to a home among the stars.

Investigation into Jeremy Bamber's murder of his family in Essex in 1985. Sentenced for life, he still maintains he is innocent. Is the right person behind bars.

Ancient alien experts investigate the mysterious and fearsome Norse Gods. Were they divine? Or could the all-powerful Vikings have been guided by aliens.

A look at the controversial ancient alien theories of Erich von Däniken, whose books have sold over 65 million copies worldwide.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

A man is ready to liquidate his collection of dinosaur fossils and other quirky items and Scott hunts for maritime treasures while Sheldon eats oysters.

Could aliens have given our brains incredible untapped abilities? Experts ask whether harnessing these hidden powers could spark the next step in our evolution.

Experts question the link between divine substances and extraterrestrials. Could the food of the gods really have been sustaining Earth's alien visitors.

The eight year-old's disappearance and murder shocked the nation. Here, Sarah's mum reveals her tireless campaign to protect other children from paedophilia.

We learn about life on a Tudor ship from objects found on the Mary Rose, while on HMS Victory we learn the battle-winning tactics of Admiral Nelson.

Armageddon 1943-1945: The defeat at Stalingrad in 1943 was the turning point of the war and convinced the Nazi leadership to intensify their terror and propaganda campaigns.

Could aliens have given our brains incredible untapped abilities? Experts ask whether harnessing these hidden powers could spark the next step in our evolution.

Experts question the link between divine substances and extraterrestrials. Could the food of the gods really have been sustaining Earth's alien visitors.

When a mysterious circular stone structure is discovered in Scotland, experts investigate whether it's the fabled Round Table of King Arthur.

Experts investigate tunnels rumoured to be the hiding place of lost royal treasure, they find evidence of human sacrifice for Viking god Odin.

Evidence might finally identify the hiding place of the billion-dollar Nazi gold train and blood-red river in Siberia points to catastrophic pollution.

An ancient man-made volcano might reveal bloody human sacrifice and a mystery in the Sahara might have a sinister explanation.

Man-made islands are spotted near a Korean missile facility and when something unexpected is found in a desert, experts investigate a lost city of giants.

Ships don't have to be large to make history, like the 1776 gunboat built to stop a British invasion, or the remarkable story of the HA-19 sub.

The parents of innocent 11-year-old Rhys Jones, shot on his way home from football club in Liverpool 2007, speak about the harrowing day when they lost their son.

The Gates of Hell 1941-1942: In the shadow of the war, the Nazi regime gradually advances its "final solution to the Jewish problem", culminating in the Holocaust.

Himmler's desire to unearth the true origins of humanity led to an attempt to prove the Paleolithic past of Germany's Aryan race.

Fritz Todt was the man tasked with engineering projects including the autobahn, the West Wall defences and more. But in 1942, he died under mysterious circumstances.

Could aliens have given our brains incredible untapped abilities? Experts ask whether harnessing these hidden powers could spark the next step in our evolution.

Experts question the link between divine substances and extraterrestrials. Could the food of the gods really have been sustaining Earth's alien visitors.

The parents of innocent 11-year-old Rhys Jones, shot on his way home from football club in Liverpool 2007, speak about the harrowing day when they lost their son.

A ghost town covered in a strange, white power emerges from a lake in Argentina and a declassified CIA image uncovers a bizarre, giant Soviet weapon.

When a man-made island mysteriously appears off the US coast, grisly new evidence points to secret government experiments into psycho-chemical warfare.

A forbidden island points to a strange South American town that locals claim was the home of Adolf Hitler and a pit of bodies suggests fears of a zombie nightmare.

In Nova Scotia, Scott pays top dollar for a mechanical rooster and two treasures are found inside a decrepit storage barn.

Tattoos, piercings and body modifications are big business. But could our desire for these changes stem from a profound link to our ancestors.

Nestled in Utah lies a ranch some believe to be a hotbed of strange phenomena. Is it all connected to an alien entity known as the Skinwalker.

Police and witnesses reflect on David Copeland's nail bomb terror in 1999. Blasts in Soho, Brixton and Brick Lane killed three and injured over 100.

A look at the tactics employed to pass strategically important ships under the nose of the enemy, and the use of intelligence to carry out naval attacks.

The Reckoning 1945-1948: In 1945, WWII was over but the violence had not ended. The survivors want to blame the Germans. The reckoning with National Socialism is ambivalent.

Tattoos, piercings and body modifications are big business. But could our desire for these changes stem from a profound link to our ancestors.

Nestled in Utah lies a ranch some believe to be a hotbed of strange phenomena. Is it all connected to an alien entity known as the Skinwalker.

Taking place 110 miles behind enemy lines in a treacherous harbour, the Korean War's Battle of Incheon was one of the riskiest assaults in history.

Follow the major operations that have taken place in the Persian Gulf - from Earnest Will to Desert Storm - and examine the combat vessels from both sides.

Uncover the truth behind some of history's most mysterious sinkings, from a sunken World War I cruiser to a British Destroyer from the Falklands War.

Speed is always vital in naval combat, so buckle up and examine maritime warfare's fastest and most furious vessels of the last 150 years.

From the broadside cannons of 16th-century warships to thermonuclear warheads aboard Cold War subs, the naval arms race continues to evolve at a rapid pace.

We learn about life on a Tudor ship from objects found on the Mary Rose, while on HMS Victory we learn the battle-winning tactics of Admiral Nelson.

Documentary examining the fatal stabbing of 21-year-old motorist Stephen Cameron during an altercation on the M25 in 1996.

Genocide 1942-1944: Along with Treblinka and Majdanek, Sobibor was one of the camps used in Operation Reinhard, in which the Nazis murdered almost two million people.

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.

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

Tattoos, piercings and body modifications are big business. But could our desire for these changes stem from a profound link to our ancestors.

Nestled in Utah lies a ranch some believe to be a hotbed of strange phenomena. Is it all connected to an alien entity known as the Skinwalker.

Documentary examining the fatal stabbing of 21-year-old motorist Stephen Cameron during an altercation on the M25 in 1996.

The 16th century witnessed a revolution in combat ship design and saw the birth of two legendary sea captains.

The Battle of Leyte Gulf tells the story of the largest sea conflict in history involving Pearl Harbor warships and the largest battleships in the world.

Specialized landing craft built to go where no other combat ship can reach and able to deliver tanks, jeeps, soldiers and supplies to the front lines.

Scott and Sheldon make a huge offer to buy the entire contents of a prolific collector's man cave and hidden gems are unearthed among the clutter of a defunct nautical museum.

A look at the controversial ancient alien theories of Erich von Däniken, whose books have sold over 65 million copies worldwide.

Ancient alien experts investigate the mysterious and fearsome Norse Gods. Were they divine? Or could the all-powerful Vikings have been guided by aliens.

Documentary examining the unsolved murder of TV presenter and newsreader Jill Dando, who was shot outside her house in Fulham, London, in 1999.

Investigation into Jeremy Bamber's murder of his family in Essex in 1985. Sentenced for life, he still maintains he is innocent. Is the right person behind bars.

Colditz Castle, The Great Escape and the bold Warburg Wire Job.

Alice Roberts and Matt Williams present more outstanding archaeology. In the east of Britain, sites include Must Farm, Colchester, Oakington, Lyminge and Silchester.

Dr Alice Roberts discovers what Britain was like before the Romans as she examines fascinating finds from the Bronze and Iron Ages.

France: Frenchman Fred Sirieix joins Al Murray to break down what really happened during the Napoleonic wars. Did Britain really win the battle of Waterloo.

A look at the controversial ancient alien theories of Erich von Däniken, whose books have sold over 65 million copies worldwide.

Ancient alien experts investigate the mysterious and fearsome Norse Gods. Were they divine? Or could the all-powerful Vikings have been guided by aliens.

The Invasion Of Britain: It is 47 AD. Emperor Claudius is considered a village idiot and can only hang onto his throne by waging a spectacular conquest. He chooses Britannia.

Dacian Wars: As expansive military campaigns and raids by Dacian tribes begin to test the Roman Empire's finances, pressure builds on Emperor Domitian.

Ignatius refuses to pledge his allegiance to the emperor and is forced to travel 1,800 miles to the Colosseum, where his final punishment awaits.

A shocking look at the murder of eight-year-old Victoria Climbie, who was tortured and killed by her guardians in North London in 2000.

Enslaved by the Romans, Carpophorus gets trained to fight beasts in the Colosseum for the public's amusement.

Discover treasures and ancient manuscripts hidden in mysterious chambers, tunnels, caves and burial sites.

From massive asteroids and bursts of radiation, are we prepared for the calamity that may be coming our way.

A look at the controversial ancient alien theories of Erich von Däniken, whose books have sold over 65 million copies worldwide.

Ancient alien experts investigate the mysterious and fearsome Norse Gods. Were they divine? Or could the all-powerful Vikings have been guided by aliens.

A shocking look at the murder of eight-year-old Victoria Climbie, who was tortured and killed by her guardians in North London in 2000.

The Reckoning 1945-1948: In 1945, WWII was over but the violence had not ended. The survivors want to blame the Germans. The reckoning with National Socialism is ambivalent.

A chronological telling of the dramatic D-Day story, focusing on the vessels that made the landings possible.

Revisiting the bloody British uprising against the Romans, presenter Karl Ude-Martinez tests out swords, spears and armour.

Nubian pyramids reveal the rise of female power in Ancient Kush, while satellite images uncover secrets of an ancient Puebloan site in New Mexico.

Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

In an emotional tribute, witnesses and victims' relatives look back on the murder of 16 children and a teacher at Dunblane Primary School in March 1996.

The parents of innocent 11-year-old Rhys Jones, shot on his way home from football club in Liverpool 2007, speak about the harrowing day when they lost their son.

An elite force of Norwegian resistance fighters return to their invaded homeland to carry out a daring mission.

On the outskirts of Bouerat Harbor in Libya, a small group of British special forces prepare to destroy a crucial German fuel depot.

Alice Roberts learns more about mankind's Stone Age ancestors, and travels to Jersey to meet a team hoping to shed new light on the Neanderthals.

Dr Alice Roberts visits excavations in Orkney and York on the hunt for Viking relics. Finds include an amazing collection of silver and gold.

Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

Rebellion And Betrayal: Marcus Aurelius inherits a rapidly growing Roman Empire, embroiled in a war on two fronts. But can he bring peace and prosperity back to the Empire.

Wrath Of The Gods: With the civil war raging on, there's a new challenge ahead for Rome: the rise of the new religion of Christianity. The Empire is invaded by the Goths.

Just one of Rome's emperors is willing to step out of the Imperial Box into the arena and his name is Commodus, a man with a reputation for making enemies.

Survivors, victims' relatives and former detectives reflect on the Real IRA car bomb that killed 29 people in Omagh, Northern Ireland in 1998.

Emperor Trajan throws his great games of AD 107 and the crowd is treated to the rare spectacle of female gladiators.

Uncover haunting factors and new evidence, possibly leading to fresh verdicts for these enigmatic men.

Theories surrounding the death of Hermann, who managed to cheat the hangman by taking a cyanide capsule and his relationship with Lt. Colonel Douglas M Kelley.

Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

Survivors, victims' relatives and former detectives reflect on the Real IRA car bomb that killed 29 people in Omagh, Northern Ireland in 1998.

Atlantis, the legendary continent that sank. As the Nazis rose to power, Himmler and the SS were convinced Atlantis existed. Season premiere.

Looking at early metal warships, and how HMS Rattler's screw propeller in 1845 would lead to the revolutionary HMS Dreadnought in the 20th Century.

Five Bronze Age bodies found in a Kent pit. One old woman is posed pointing at something. The team investigates what and why.

The River Hunters head to the River Lochy in search for evidence of the clashing Scottish clans embroiled in the 17th Century civil war.

When millions responded to a call to storm Area 51, the US military vowed deadly force. Are they hiding the truth about extraterrestrials on Earth.

Over the past 20 years, thousands of potentially habitable exoplanets have been found. Could they be home to intelligent extraterrestrial life.

Investigation into Jeremy Bamber's murder of his family in Essex in 1985. Sentenced for life, he still maintains he is innocent. Is the right person behind bars.

The story of one of the world's most effective war machines: The Viking longship. They were elegant, versatile and feared.

The troubled beginnings and amazing exploits of the legendary British heavy bomber. Plus, see a replica up close.

When millions responded to a call to storm Area 51, the US military vowed deadly force. Are they hiding the truth about extraterrestrials on Earth.

Over the past 20 years, thousands of potentially habitable exoplanets have been found. Could they be home to intelligent extraterrestrial life.

Alice Roberts and Matt Williams visit the Neolithic Orkney World Heritage Site, where they explore finds from archaeological digs across the north of Britain.

Alice Roberts and Matt Williams visit sites in the west of Britain, including one uncovering the rituals of Stonehenge.

Alice Roberts and Matt Williams present more outstanding archaeology. The team unearths a mass grave and search the Thames for clues to a 17th century tragedy.

In the north of Britain, a team discovers clues to Scotland's first kingdoms and metal detectorists unearth a Viking treasure hoard.

Dr Alice Roberts explores finds from the west of Britain, including the lost World War I training trenches on Salisbury Plain.

A look at the tactics employed to pass strategically important ships under the nose of the enemy, and the use of intelligence to carry out naval attacks.

Families of victims and former friends open up about Stephen Griffiths, the Bradford killer who was found guilty of murdering three women in 2010.

From skyscrapers like One World Trade Centre to impenetrable vaults like Fort Knox, humanity's strongest structures were engineered to defy disaster.

Was a UFO tracking an American fighter plane? The team of experts examines the evidence to find the truth.

A woman survives being sucked into a tornado.

When millions responded to a call to storm Area 51, the US military vowed deadly force. Are they hiding the truth about extraterrestrials on Earth.

Over the past 20 years, thousands of potentially habitable exoplanets have been found. Could they be home to intelligent extraterrestrial life.

Families of victims and former friends open up about Stephen Griffiths, the Bradford killer who was found guilty of murdering three women in 2010.

Dr Alice Roberts visits excavations in Orkney and York on the hunt for Viking relics. Finds include an amazing collection of silver and gold.

Dr Alice Roberts discovers what Britain was like before the Romans as she examines fascinating finds from the Bronze and Iron Ages.

Alice Roberts learns more about mankind's Stone Age ancestors, and travels to Jersey to meet a team hoping to shed new light on the Neanderthals.

Scott and Sheldon travel to the United Kingdom to purchase a Wild West collection with a Canadian twist.

Giorgio A Tsoukalos and David Childress explore the mysterious chain of man-made islets in Micronesia's Nan Madol. Could local legends be true.

In 1947, the US military collected debris of what they claimed was a crashed weather balloon outside Roswell, New Mexico. But was there more to it.

The parents of innocent 11-year-old Rhys Jones, shot on his way home from football club in Liverpool 2007, speak about the harrowing day when they lost their son.

Explore how ships evaded detection post-WW2 with radar, adopting shocking methods to remain hidden.

A look at the later, clipped wing version flown by Czech refugee pilots in the UK during World War II. Plus, a tour of a restored example.

Giorgio A Tsoukalos and David Childress explore the mysterious chain of man-made islets in Micronesia's Nan Madol. Could local legends be true.

In 1947, the US military collected debris of what they claimed was a crashed weather balloon outside Roswell, New Mexico. But was there more to it.

The Wooden Wonder: The fascinating story behind the stunning wooden aircraft, which undertook some of the most daring and iconic raids of WWII.

The F15 Eagle immediately turned the tide of the first Gulf War to prove its greatness.

The mighty Flying Fortress takes to the air as we examine the background and development of one of WWII's most iconic bombers.

The mighty North American twin delivered the first blow in the fight back against Japan, in one of the most daring and audacious raids of all time.

The Liberator proved its worth in WWII over Europe and the Pacific, modeled after the B-17, delivering blows to the Axis.

New theories shed light on the world's biggest mysteries, including the unsolved disappearances of aviator Amelia Earhart and hijacker DB Cooper.

Denise Fergus reflects on the murder of her son. Two-year-old James Bulger was tortured and killed by 10-year-olds Jon Venables and Robert Thompson in 1993.

Armageddon 1943-1945: The defeat at Stalingrad in 1943 was the turning point of the war and convinced the Nazi leadership to intensify their terror and propaganda campaigns.

From massive asteroids and bursts of radiation, are we prepared for the calamity that may be coming our way.

The tomb of Qin Shi Huang, the first emperor of China, remains one of the most famous and secretive archaeological sites in the world.

Giorgio A Tsoukalos and David Childress explore the mysterious chain of man-made islets in Micronesia's Nan Madol. Could local legends be true.

In 1947, the US military collected debris of what they claimed was a crashed weather balloon outside Roswell, New Mexico. But was there more to it.

Denise Fergus reflects on the murder of her son. Two-year-old James Bulger was tortured and killed by 10-year-olds Jon Venables and Robert Thompson in 1993.

The troubled beginnings and amazing exploits of the legendary British heavy bomber. Plus, see a replica up close.

A look at the later, clipped wing version flown by Czech refugee pilots in the UK during World War II. Plus, a tour of a restored example.

The Luftwaffe's Frontline Fighter: The astonishing story of the 109 and its modified variants, best known for its role in the Battle of Britain.

The Pickers meet a World War II collector who is reluctant to sell and a fellow picker reveals his first-class collection.

An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins.

From Egypt to Easter Island, towering figures built by ancient man stand watch over Earth. But do they depict visitors from another world.

Documentary examining the fatal stabbing of 21-year-old motorist Stephen Cameron during an altercation on the M25 in 1996.

Explore the human errors that condemned great ships to a tragic end, including the Vasa, a 17th century combat ship that sank on her maiden voyage.

The Luftwaffe's Frontline Fighter: The astonishing story of the 109 and its modified variants, best known for its role in the Battle of Britain.

An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins.

From Egypt to Easter Island, towering figures built by ancient man stand watch over Earth. But do they depict visitors from another world.

Theorists investigate whether sought-after religious relic the Ark of the Covenant could hold connections to our extraterrestrial past.

Throughout time, people have believed mountains were the home of the divine. But could these hilltop spirits have been extraterrestrials.

Experts investigate strange carvings from 8,000 BC and unexplained sightings in the New World. Is there more to the US's past than history books suggest.

Experts investigate remote ruins, mysterious caves and legendary mountain portals. Could these alleged stargates have brought ancient aliens to Earth.

Experts comb history for evidence of children with strange abilities and great knowledge. Could these young people have been born from ancient aliens.

What's going on in Area 51? What crashed at Roswell? And what's happening at the top-secret Dugway Proving Ground? Experts go in search of answers.

A look at the murder of 18-year-old Sally Anne Bowman, who was stabbed in Croydon in 2005. With interviews with her family and detectives who solved the case.

The Reckoning 1945-1948: In 1945, WWII was over but the violence had not ended. The survivors want to blame the Germans. The reckoning with National Socialism is ambivalent.

Explore the stories of the leaders and key figures who have defined periods of history and whose mythologies often outlive their influence.

When Pharaoh Ptolemy IV confronts Antiochos the Great at Raphia, that's 100,000 men from all Mediterranean clash with dramatic consequences.

An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins.

From Egypt to Easter Island, towering figures built by ancient man stand watch over Earth. But do they depict visitors from another world.

A look at the murder of 18-year-old Sally Anne Bowman, who was stabbed in Croydon in 2005. With interviews with her family and detectives who solved the case.

Experts search ancient accounts of magic for evidence suggesting that the wizards and witches of yesteryear were given otherworldly knowledge by aliens.

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago.

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together.

The Canadian Pickers travel the country searching for hidden antiques and collectables. They meet collectors, strike deals and turn forgotten finds into profit.

New evidence reveals advanced civilisations might have existed on Earth thousands of years ago - is it possible that they lived with extraterrestrials.

In numerous ancient cultures, stories were told of ancestors from the Pleiades star cluster - could new scientific findings reveal the truth.

A shocking look at the murder of eight-year-old Victoria Climbie, who was tortured and killed by her guardians in North London in 2000.

Discover the incredible story of USS Laffey, the WW2 destroyer that would come to be known as 'the ship that would not die'.

Superfortress: The story of the prolonged development and the initially troubled operational history of the Boeing B29 Superfortress.

New evidence reveals advanced civilisations might have existed on Earth thousands of years ago - is it possible that they lived with extraterrestrials.

In numerous ancient cultures, stories were told of ancestors from the Pleiades star cluster - could new scientific findings reveal the truth.

A strange structure shaped like a giant shark might point the way to a lost civilisation's Fountain of Youth.

A mysterious structure in Africa that resembles Stonehenge is said to be the resting place of a mythical giant.

A mysterious Stonehenge-like structure in Russia might have links to the Nazis. Experts uncover clues to a mega-tsunami with the power to devastate the United States.

When a great white shark is killed, experts suspect a mysterious ocean monster and strange markings in the desert might be a tribute to an ancient spider god.

A strange mountain in Egypt sparks an investigation into Cleopatra's gems and the tomb of Alexander the Great.

Experts investigate the US government's experiments into teleportation. They also dig into strange happenings at Mount Shasta and Skinwalker ranch.

A hard-hitting look at the murder of Rachel Nickell, who was sexually assaulted and murdered in front of her two-year-old son on Wimbledon Common in 1992.

Part One: Hear about the personal rivalry between Winston Churchill and Adolf Hitler, exploring how their exploits in World War I shaped their future commands.

During his time in charge, Himmler made the study of runes - letters of ancient Germanic writing - obligatory for SS officers in the belief they held powers.

In 1923, Adolf Hitler led the infamous Beer Hall Putsch, an attempt to take power in Germany by force. It was a day that would change the world forever, birthing Hitler's regime.