Previously sealed documents hint at compelling new theories about extraterrestrials. Could aliens be living among us? And could former US Presidents know something we don't.

Veterans and historians tell the story of the Thai-Burma railway and the countless prisoners of war and slave labourers who lost their lives building it.

The story of the Great Locomotive Chase - an attempt by Northern spies to steal steam locomotive The General during the American Civil War.

Alice Roberts explores Manchester's history of protest and rebellion during the Industrial Revolution, from Marx to the Suffragettes.

Alice Roberts explores Georgian Edinburgh's finest architecture, the roots of modern Scottishness, and some dark imperial controversies.

How did a Frenchman living in the 16th century predict so many modern-day disasters? This special explores how one person could see into the future.

The Battle of Sekigahara saw Tokugawa Ieyasu emerge victorious over his rival Ishida Mitsunari, uniting the country under the Tokugawa shogunate.

Experts investigate whether alien life forms are thriving in our seas, following Russian cosmonauts' discovery of living plankton in space.

Crop circles are a global phenomenon, with 10,000 seen worldwide. But are these strange patterns simply a hoax or could they be proof of UFO activity.

Examine claims Nostradamus predicted Hitler. Plus, learn about the canary resuscitator and a tiny object with the power to kill.

Examine an ancient pyramid toolkit, a device that unleashes lethal X-rays and a divisive terracotta sculpture.

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

Witness the extraordinary military success of the Blitzkrieg campaign, captured through rare combat footage and first-hand accounts in colour.

Darkness Falls: Documentary series highlighting what life was really like during the Second World War, featuring the personal stories of soldiers from both sides of the conflict.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, including events that he believes represent real encounters with extraterrestrial visitors.

On the orders of Adolf Hitler, the Nazi invaders of Alderney utilised more than 5,000 slave labourers to build a series of protective fortifications.

The World War II killings carried out by the Nazis on Alderney represent the worst mass murder in British history - yet no one has been brought to justice.

A look into how the efficiency of the rail networks on both sides helped cause the stalemate of the First World War.

A look at an extraordinary display of nearly 900,000 ceramic poppies in the moat. Also, Curator Bridget explores a reminder of the horrors of war.

Raven Master Chris must introduce a new bird to the Tower's enclosure, while Constable Nicholas is in charge of the room where Guy Fawkes was interrogated.

Alice Roberts explores Glasgow's age of steam, from lethal diseases and industrial injury to genteel tea rooms.

A look at the possibility that life began on Mars and travelled to Earth. Plus, if aliens exist, what plans do they have in store for us? Experts investigate.

Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life.

From the trench to the home front hospital, a medical historian retraces the train journey made by wounded soldiers during World War I.

The astonishing accounts of four railway journeys that changed history, including the perilous expedition that made a young Winston Churchill world famous.

Part One: Uncover the turmoil of 12th-century Ireland, where Kings vie for supremacy and powerful people drive a rival into exile - who then seeks help from Henry II.

Part Two: Follow the course of the invasion as Strongbow wins victory after victory, while Henry II arrives to take control of Ireland and grants land to settlers from Britain.

Attila, king of the Huns, faces strongman of the Roman Empire, Generalissimo Aetius. But their terrible battle ends in a bloodbath, with no clear victory.

Discover the untold saga of the world's greatest military fighting force, made up of 150 pairs of male lovers, whose story has just been uncovered.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, including events that he believes represent real encounters with extraterrestrial visitors.

Examine a 9,000-year-old clay head, a 1950s machine built to control the weather and a map which could be the oldest ever found.

Investigate an intriguing 3,500-year-old box, a steam-powered gun and a monument that may have been an Aztec throne.

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

In 1941, Germany launched Operation Barbarossa, a savage attack on the Soviet Union. Witness Hitler's dream to conquer Moscow through newly colourised film.

Hard Way Back: Series highlighting what life was like during WWII. Rookie platoon leader Charles Scheffel suffers his first losses as he battles Rommel's Afrika Korps in Tunisia.

Nations vie for sky supremacy, from a near-nuclear disaster in North Carolina to UFO cover-ups and Israel's fighter jet theft.

Written in the Stars: Ex-Rolls Royce engineer Bradley Walsh questions the Pyramids' builders and purpose, seeking answers by visiting them himself.

Exploring the possible truth behind bizarre sightings near volcanoes. Plus, who - or what - made the strange stone spheres of Costa Rica.

The team look into a series of unusual photos and videos, from a UFO sighting to a Japanese city possibly lurking beneath the waves.

Japan expands in Asia and Africa's colonies become key battlegrounds for power and resources.

In 1941, Hitler invaded the USSR. Operation Barbarossa stalls as winter hits and Soviet resistance, fuelled by propaganda, turns the tide.

Extraordinary Engineering: An argument for the Ancient Astronaut theory is the engineering evident in the construction of ancient megalithic sites worldwide.

An out-of-this-world look at ten of the most fascinating alien encounters ever.

Tony Robinson winds back the clock to 1940 for a walk along Dorset's Jurassic Coast, revealing the county's World War II role as the frontline against Hitler.

Excavations in southern England uncover a lost Roman town, a Tudor ship and evidence of Henry VIII's financial forgery at the Tower of London.

Nations vie for sky supremacy, from a near-nuclear disaster in North Carolina to UFO cover-ups and Israel's fighter jet theft.

Written in the Stars: Ex-Rolls Royce engineer Bradley Walsh questions the Pyramids' builders and purpose, seeking answers by visiting them himself.

Exploring the possible truth behind bizarre sightings near volcanoes. Plus, who - or what - made the strange stone spheres of Costa Rica.

The team look into a series of unusual photos and videos, from a UFO sighting to a Japanese city possibly lurking beneath the waves.

Japan expands in Asia and Africa's colonies become key battlegrounds for power and resources.

In 1941, Hitler invaded the USSR. Operation Barbarossa stalls as winter hits and Soviet resistance, fuelled by propaganda, turns the tide.

The Rollin' 60s Crips fight for dominance in LA's gang world, facing fierce rivalries as they strive to control the city's streets.

Witness a fallout when the Cleveland Mafia places high-stakes bets in Las Vegas. As fortunes are made and lost, tension mounts back home.

Pat Matter is a methamphetamine dealer, but he rises through the ranks to become president of the Minnesota Hells Angels.

Extraordinary Engineering: An argument for the Ancient Astronaut theory is the engineering evident in the construction of ancient megalithic sites worldwide.

An out-of-this-world look at ten of the most fascinating alien encounters ever.

Tony Robinson winds back the clock to 1940 for a walk along Dorset's Jurassic Coast, revealing the county's World War II role as the frontline against Hitler.

Excavations in southern England uncover a lost Roman town, a Tudor ship and evidence of Henry VIII's financial forgery at the Tower of London.

Andy embarks on a mission to unearth the Cornish sites of King Arthur, before magnet fishing for Excalibur and visiting the grave of a legendary witch.

Vandalism strikes the Wildman shop, inspiring Avery to finish building his Manta Coyote car kit. Meanwhile, Mike plans an auction for his car collection.

What lies beneath? David Duchovny takes us into the top-secret government bases and the clandestine operations they were built to conceal.

Riddle of the Sphinx: Bradley journeys through Egypt to uncover the secrets of the Sphinx and explores the mysterious underground Serapeum.

An object is spotted over one of the world's holiest sites. Plus, could a floating "spaceman" in a famous photograph be an elaborate hoax.

Tony and the team investigate a possible serpentine monster in the Thames and a sighting of a bizarre flying object crossing the moon.

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal.

In 1944, D-Day pierces the Atlantic Wall, as Operation Bagration crushes the Wehrmacht in the East. The fall of the Third Reich begins.

Unidentified Flying Objects: Ancient Astronaut theorists delve into the archives to reveal compelling evidence of ancient flying machines.

Experts investigate evidence suggesting that aliens have created the means for controlling humanity. They find that the shocking truth might be hidden right inside you.

Tony heads out on a 40-mile walk through the wild, dramatic and romantic Peak District - the place where the Industrial Revolution began.

In the west of the UK, explore a spectacular monument older than Stonehenge, a 200-year-old mine trapped in time and a lost medieval friary.

What lies beneath? David Duchovny takes us into the top-secret government bases and the clandestine operations they were built to conceal.

Riddle of the Sphinx: Bradley journeys through Egypt to uncover the secrets of the Sphinx and explores the mysterious underground Serapeum.

An object is spotted over one of the world's holiest sites. Plus, could a floating "spaceman" in a famous photograph be an elaborate hoax.

Tony and the team investigate a possible serpentine monster in the Thames and a sighting of a bizarre flying object crossing the moon.

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal.

In 1944, D-Day pierces the Atlantic Wall, as Operation Bagration crushes the Wehrmacht in the East. The fall of the Third Reich begins.

Sir Isaac Newton is considered one of history's great geniuses, but did you know he also predicted the date of the apocalypse.

In 1947, ancient scrolls were discovered in desert caves near the Dead Sea. One of them spells out - in chilling detail - a future apocalyptic war.

Unidentified Flying Objects: Ancient Astronaut theorists delve into the archives to reveal compelling evidence of ancient flying machines.

Experts investigate evidence suggesting that aliens have created the means for controlling humanity. They find that the shocking truth might be hidden right inside you.

Tony heads out on a 40-mile walk through the wild, dramatic and romantic Peak District - the place where the Industrial Revolution began.

In the west of the UK, explore a spectacular monument older than Stonehenge, a 200-year-old mine trapped in time and a lost medieval friary.

Andy is back in Cornwall searching for legends, meeting a real-life mermaid and fishing for Cornwall's infamous sea serpent Morgawr.

As the clock ticks towards his auction, Mike races to restore as many cars as he can, while Avery struggles to finish the Manta in time at Wildman.

Declassified records reveal elite forces' extreme missions, from deep-sea divers on Soviet cables to A-bomb deployments in hostile zones.

Search for the Boy King: Bradley travels to the tomb of Tutankhamun to unravel the mysteries of the rise and fall of Egypt's most famous royal dynasty.

Meet a forager who claims he has captured bigfoot calls on video. Plus, could rock paintings in India be proof of otherworldly life.

The team looks into a sasquatch sighting. Meanwhile, a man may have captured footage of the Fresno Nightcrawlers in his backyard.

During WWII, the French Resistance seeks aid from SOE. Led by Vera Atkins, Odette Sansom and Noor Inayat Khan fight the Nazis, risking it all for victory.

Vera enlists Violette Szabo and Yvonne Baseden. With circuits failing and Noor at risk, treachery allegations harm preparations for the Allied invasion.

Sky Gods and Star Beings: Astronaut theorists propose that descriptions of sky gods and star beings might reflect real encounters with extraterrestrial visitors in the past.

Could Hitler's crazed quest for world domination have been influenced by aliens? Experts reveal the extraterrestrial secret Hitler may have been hiding and where it is now.

Tony Robinson takes a 45-mile hike through the beautiful countryside of the Weald in Kent and East Sussex, discovering its rich and surprising Tudor heritage.

Explore a gatehouse full of Civil War bullets, an Iron Age shield made from bark and Roman burials with pots where the heads should be.

Declassified records reveal elite forces' extreme missions, from deep-sea divers on Soviet cables to A-bomb deployments in hostile zones.

Search for the Boy King: Bradley travels to the tomb of Tutankhamun to unravel the mysteries of the rise and fall of Egypt's most famous royal dynasty.

Meet a forager who claims he has captured bigfoot calls on video. Plus, could rock paintings in India be proof of otherworldly life.

The team looks into a sasquatch sighting. Meanwhile, a man may have captured footage of the Fresno Nightcrawlers in his backyard.

During WWII, the French Resistance seeks aid from SOE. Led by Vera Atkins, Odette Sansom and Noor Inayat Khan fight the Nazis, risking it all for victory.

Vera enlists Violette Szabo and Yvonne Baseden. With circuits failing and Noor at risk, treachery allegations harm preparations for the Allied invasion.

The Thirteenth Son: Discover how, for the past few thousand years, this mighty ruler has remained a caricature of his own propaganda.

Journey back in time and explore the world of the mega-rich gourmands, who spent epic sums in pursuit of the rarest, most forbidden food and drink could buy.

Peer into the extraordinary world of the monarchs and millionaires who spent their fortunes collecting wild animals.

Sky Gods and Star Beings: Astronaut theorists propose that descriptions of sky gods and star beings might reflect real encounters with extraterrestrial visitors in the past.

Could Hitler's crazed quest for world domination have been influenced by aliens? Experts reveal the extraterrestrial secret Hitler may have been hiding and where it is now.

Tony Robinson takes a 45-mile hike through the beautiful countryside of the Weald in Kent and East Sussex, discovering its rich and surprising Tudor heritage.

Explore a gatehouse full of Civil War bullets, an Iron Age shield made from bark and Roman burials with pots where the heads should be.

Andy explores an ancient cavern, takes a tour of Dartmoor's prison museum and uncovers the legend behind Arthur Conan Doyle's 'The Hound of the Baskervilles'.

Forest fires threaten Rust Valley and after his neighbour loses 350 cars, Mike hoards fuel in a bid to save his own collection.

Declassified files reveal bizarre military programs, from atomic tests 1500x stronger than Hiroshima to plots involving Hitler.

Stories of heroes and the villains encountered on their adventures are among the most thrilling in all mythology - but they come with controversial theories.

The team determine whether a horrifying creature could be from another planet. Plus, are clips of acrobats flipping over cars legit.

The team attempt to get to the bottom of a prehistoric-looking creature in Georgia and a strange, otherworldly sighting in Canada.

With Allied victories and the liberation of Paris following D-Day, Vera is in a race against time to locate her missing agents.

Armed with evidence from Odette, Vera intensifies her search at Karlsruhe prison and Ravensbruck, facing hurdles to uncover crucial results in Germany.

Human Genesis: Compelling clues about mankind's true origins, evidence within religious texts and records from Earth's first civilizations.

Experts unseal the truth about the potential aliens living and working among us. Who has come in peace? And who has a more sinister motive in mind.

Tony takes a tough four-day trek through the Kintail region of the Highlands to discover the incredible story of the Jacobite Uprisings of the early 1700s.

Alice Roberts reveals a Dutch ship sunk by the English, a Cornish Roman fort and a 5,000-year-old Neolithic monument.

Declassified files reveal bizarre military programs, from atomic tests 1500x stronger than Hiroshima to plots involving Hitler.

Stories of heroes and the villains encountered on their adventures are among the most thrilling in all mythology - but they come with controversial theories.

The team determine whether a horrifying creature could be from another planet. Plus, are clips of acrobats flipping over cars legit.

The team attempt to get to the bottom of a prehistoric-looking creature in Georgia and a strange, otherworldly sighting in Canada.

With Allied victories and the liberation of Paris following D-Day, Vera is in a race against time to locate her missing agents.

Armed with evidence from Odette, Vera intensifies her search at Karlsruhe prison and Ravensbruck, facing hurdles to uncover crucial results in Germany.

Documentary exploring how ancient civilisations created weapons of mass destruction that are even more deadly than those created today.

Discover the great engineering feats of the ancient world, including the 4th-century genius behind the world's first robot.

Human Genesis: Compelling clues about mankind's true origins, evidence within religious texts and records from Earth's first civilizations.

Experts unseal the truth about the potential aliens living and working among us. Who has come in peace? And who has a more sinister motive in mind.

Tony takes a tough four-day trek through the Kintail region of the Highlands to discover the incredible story of the Jacobite Uprisings of the early 1700s.

Alice Roberts reveals a Dutch ship sunk by the English, a Cornish Roman fort and a 5,000-year-old Neolithic monument.

Andy searches for dragons in Somerset, visits the grave of Arthur and Guinevere and tests the healing waters of a spring once used to wash the Holy Grail.

New painter Neil takes a perfectionist approach to re-painting Connor's Chevelle Malibu, while Dubs Kustoms scores a new client with an impossible dream.

Undercover agents employ daring smokescreens in the service of executing a greater purpose.

The wild is a rich setting for myths and legends, with countless tales about the wilderness and the fearsome monsters within it.

Look into reports of a dinosaur, odd lights in Norway and a girl with immense strength.

Vera finds out her agents' fate. Her beliefs about Noor are challenged. Suspicions lead Vera to hunt down a Nazi mastermind.

Capture of a key Nazi uncovers shocking realities. Amid demands for accountability, as Vera and her team navigate murky waters to confront uncomfortable truths.

Mysterious Underground Worlds: Exploring underground structures - including the Longyou Grottoes in China and ancient libraries from a lost civilisation.

Experts investigate the mystery of the Solway Firth Spaceman - a spacesuit-clad figure who strangely appeared in a photograph taken in Cumbria.

Walking from the stone circles of Avebury to Stonehenge, Tony explores the connections between Europe's finest collection of Neolithic monuments.

Travelling east, Alice discovers a Roman barn conversion, unearthing a Tudor fort and finding intricately carved 10,000-year-old weapons.

Undercover agents employ daring smokescreens in the service of executing a greater purpose.

The wild is a rich setting for myths and legends, with countless tales about the wilderness and the fearsome monsters within it.

Look into reports of a dinosaur, odd lights in Norway and a girl with immense strength.

Vera finds out her agents' fate. Her beliefs about Noor are challenged. Suspicions lead Vera to hunt down a Nazi mastermind.

Capture of a key Nazi uncovers shocking realities. Amid demands for accountability, as Vera and her team navigate murky waters to confront uncomfortable truths.

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

Sacred buildings around the world begin to crumble without humans to maintain them. Clues about the planet's future lie in an abandoned desert town.

Mysterious Underground Worlds: Exploring underground structures - including the Longyou Grottoes in China and ancient libraries from a lost civilisation.

Experts investigate the mystery of the Solway Firth Spaceman - a spacesuit-clad figure who strangely appeared in a photograph taken in Cumbria.

Walking from the stone circles of Avebury to Stonehenge, Tony explores the connections between Europe's finest collection of Neolithic monuments.

Travelling east, Alice discovers a Roman barn conversion, unearthing a Tudor fort and finding intricately carved 10,000-year-old weapons.

Andy explores Wiltshire's mysterious megaliths and barrows, visits a medieval meadery and encounters a religious pilgrimage at the site of a freshly made crop circle.

Mike struggles to pick just 10 cars from his collection, while Shafin convinces Avery to clean up his yard with the help of a monster truck.

Mysterious Underground Worlds: Exploring underground structures - including the Longyou Grottoes in China and ancient libraries from a lost civilisation.

Japan expands in Asia and Africa's colonies become key battlegrounds for power and resources.

In 1941, Hitler invaded the USSR. Operation Barbarossa stalls as winter hits and Soviet resistance, fuelled by propaganda, turns the tide.

During WWII, the French Resistance seeks aid from SOE. Led by Vera Atkins, Odette Sansom and Noor Inayat Khan fight the Nazis, risking it all for victory.

Tony Robinson winds back the clock to 1940 for a walk along Dorset's Jurassic Coast, revealing the county's World War II role as the frontline against Hitler.

Excavations in southern England uncover a lost Roman town, a Tudor ship and evidence of Henry VIII's financial forgery at the Tower of London.

Explore a gatehouse full of Civil War bullets, an Iron Age shield made from bark and Roman burials with pots where the heads should be.

An out-of-this-world look at ten of the most fascinating alien encounters ever.

Experts investigate evidence suggesting that aliens have created the means for controlling humanity. They find that the shocking truth might be hidden right inside you.

With Allied victories and the liberation of Paris following D-Day, Vera is in a race against time to locate her missing agents.

Armed with evidence from Odette, Vera intensifies her search at Karlsruhe prison and Ravensbruck, facing hurdles to uncover crucial results in Germany.

Tony Robinson takes a 45-mile hike through the beautiful countryside of the Weald in Kent and East Sussex, discovering its rich and surprising Tudor heritage.

Walking from the stone circles of Avebury to Stonehenge, Tony explores the connections between Europe's finest collection of Neolithic monuments.

Sir Isaac Newton is considered one of history's great geniuses, but did you know he also predicted the date of the apocalypse.

In 1947, ancient scrolls were discovered in desert caves near the Dead Sea. One of them spells out - in chilling detail - a future apocalyptic war.

A recreation of 13th century Scotland and the battle against the English army famously fought by the inspirational William Wallace - AKA Braveheart.

Mysterious Underground Worlds: Exploring underground structures - including the Longyou Grottoes in China and ancient libraries from a lost civilisation.

Nations vie for sky supremacy, from a near-nuclear disaster in North Carolina to UFO cover-ups and Israel's fighter jet theft.

Declassified records reveal elite forces' extreme missions, from deep-sea divers on Soviet cables to A-bomb deployments in hostile zones.

It's July 10, 1943 and the Allied Forces have evicted the Axis Powers from North Africa and can finally begin the Italian Campaign.

Through newly colourised footage, enter the heart of the War of the Mediterranean as the fate of North Africa was contested during the battle of El Alamein.

Bloody Resolve: Series highlighting what life was really like on the frontlines during WWII. In Tarawa, mechanical failure leads to one of the bloodiest battles in the Pacific.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

A British woman in the 20th century stunned Egyptologists by accurately locating structures and artefacts. Perhaps she had an otherworldly agenda.

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal.

In 1944, D-Day pierces the Atlantic Wall, as Operation Bagration crushes the Wehrmacht in the East. The fall of the Third Reich begins.

Vera enlists Violette Szabo and Yvonne Baseden. With circuits failing and Noor at risk, treachery allegations harm preparations for the Allied invasion.

Tony heads out on a 40-mile walk through the wild, dramatic and romantic Peak District - the place where the Industrial Revolution began.

In the west of the UK, explore a spectacular monument older than Stonehenge, a 200-year-old mine trapped in time and a lost medieval friary.

Alice Roberts reveals a Dutch ship sunk by the English, a Cornish Roman fort and a 5,000-year-old Neolithic monument.

Could Hitler's crazed quest for world domination have been influenced by aliens? Experts reveal the extraterrestrial secret Hitler may have been hiding and where it is now.

Experts unseal the truth about the potential aliens living and working among us. Who has come in peace? And who has a more sinister motive in mind.

Vera finds out her agents' fate. Her beliefs about Noor are challenged. Suspicions lead Vera to hunt down a Nazi mastermind.

Capture of a key Nazi uncovers shocking realities. Amid demands for accountability, as Vera and her team navigate murky waters to confront uncomfortable truths.

Tony takes a tough four-day trek through the Kintail region of the Highlands to discover the incredible story of the Jacobite Uprisings of the early 1700s.

Travelling east, Alice discovers a Roman barn conversion, unearthing a Tudor fort and finding intricately carved 10,000-year-old weapons.

Written in the Stars: Ex-Rolls Royce engineer Bradley Walsh questions the Pyramids' builders and purpose, seeking answers by visiting them himself.

Riddle of the Sphinx: Bradley journeys through Egypt to uncover the secrets of the Sphinx and explores the mysterious underground Serapeum.

Search for the Boy King: Bradley travels to the tomb of Tutankhamun to unravel the mysteries of the rise and fall of Egypt's most famous royal dynasty.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

A British woman in the 20th century stunned Egyptologists by accurately locating structures and artefacts. Perhaps she had an otherworldly agenda.

What lies beneath? David Duchovny takes us into the top-secret government bases and the clandestine operations they were built to conceal.

Declassified files reveal bizarre military programs, from atomic tests 1500x stronger than Hiroshima to plots involving Hitler.

December 1941: Under cover of a fierce naval bombardment, a taskforce of elite British commandos sail towards the Norwegian town of South Vaagso.

Hitler's plan for European domination led his new generation of tanks to the Soviet town of Kursk in July 1943. Witness extraordinary colourised footage of the battle.

Battle Stations: It's 1944 and the Allies are planning the invasion of France. For pilot Bert Stiles that means joining the decimated 8th Air Force to clear the Normandy skies.

Your government's most clandestine inventions are never what you would suspect and that's exactly why no one ever saw them coming.

The violent story of Romulus and Remus, the brutal Vikings and the Valkyries, the Trojan War and exploring the influence of Homer's Iliad on Alexander the Great.

Investigate footage of a UFO resembling a rubber duck, a ghoulish ice sculpture and Bigfoot's supposed killer.

Near the Czech border, a secret German site, "The Giant," tests The Bell, powered by Serum 525, turning all who touch it into rotting living zombies.

In World War II's chaos, Stalin orders archaeologists to loot the tomb of Mongol emperor Tamerlane for historical relics.

Alien Arsenal: Examine the myths, legends and historical records that suggest aliens may have played a role in the development of powerful arsenals.

Could history's most powerful men know more about extra-terrestrials than us? Experts explore the complex relationship between presidents and aliens.

The Lake District is one of the country's most popular destinations - but few see how the conquering Roman army made their mark on the stunning landscape.

Alice investigates an Ice Age camp, the mystery of a medieval skeleton and the earliest evidence of salt making in Britain.

Your government's most clandestine inventions are never what you would suspect and that's exactly why no one ever saw them coming.

The violent story of Romulus and Remus, the brutal Vikings and the Valkyries, the Trojan War and exploring the influence of Homer's Iliad on Alexander the Great.

Investigate footage of a UFO resembling a rubber duck, a ghoulish ice sculpture and Bigfoot's supposed killer.

Near the Czech border, a secret German site, "The Giant," tests The Bell, powered by Serum 525, turning all who touch it into rotting living zombies.

In World War II's chaos, Stalin orders archaeologists to loot the tomb of Mongol emperor Tamerlane for historical relics.

The British Connection: Ross Kemp starts his journey under Blackfriars Bridge - the location of Britain's first mafia hit - before following the money trail across the UK.

Posing as a drug dealer, undercover informant Tony Tait infiltrates the secret biker club to take down leader Sonny Barger and meth cook Kenny Owens.

Alien Arsenal: Examine the myths, legends and historical records that suggest aliens may have played a role in the development of powerful arsenals.

Could history's most powerful men know more about extra-terrestrials than us? Experts explore the complex relationship between presidents and aliens.

The Lake District is one of the country's most popular destinations - but few see how the conquering Roman army made their mark on the stunning landscape.

Alice investigates an Ice Age camp, the mystery of a medieval skeleton and the earliest evidence of salt making in Britain.

Andy receives military training at a Civil War re-enactment, before embarking on a ghostly hunt and meeting the man who captured leopard DNA from a sheep kill.

Mike builds a 1964 Parisienne for a big family, while Avery scores his first client of the year and puts together a 1975 Ford Bronco.

When governments strike dark deals with cults, mobs and even sworn enemies, frosty relationships and mounting tensions are tested head on.

Love is a universal and powerful emotion but it can also be destructive, lust can destroy and betrayal can wound.

Explore the truth behind sightings of a dreaded Filipino creature, a possible landing site on Mars and a big bad wolf in Canada.

During the Blitz, Britain used 'Starfish' fires in the countryside to mislead German bombers away from cities like Bristol and Birmingham.

Discover the true story of a German Luftwaffe pilot in World War II who risked his own life to save the crew of an American B-17 bomber.

Mystery of the Pyramids: The Great Pyramid of Giza is a captivating ancient mystery, with evidence suggesting it may have functioned as an ancient power plant.

Experts scrutinise the engineering behind the Egyptians' Sphinx and pyramids. Could this advanced civilisation have received extra-terrestrial help.

Tony takes in a stretch of the beautiful Cornish coast, discovering the history of smuggling - the biggest industry in the area back in the 18th century.

Dr Alice Roberts explores a secret location in the Cotswolds, which gives up a very precious and fragile artefact.

When governments strike dark deals with cults, mobs and even sworn enemies, frosty relationships and mounting tensions are tested head on.

Love is a universal and powerful emotion but it can also be destructive, lust can destroy and betrayal can wound.

Explore the truth behind sightings of a dreaded Filipino creature, a possible landing site on Mars and a big bad wolf in Canada.

During the Blitz, Britain used 'Starfish' fires in the countryside to mislead German bombers away from cities like Bristol and Birmingham.

Discover the true story of a German Luftwaffe pilot in World War II who risked his own life to save the crew of an American B-17 bomber.

Was Leonardo Da Vinci, one of history's great thinkers also one of its greatest prophets? And did he envision world destruction.

New research and modern computer graphics shed light on our doomed future as forecast in centuries gone by. Can we avoid our fate by heeding these warnings.