Lancaster: Dan Jones visits Lancaster Castle to explore its grisly history of crime and punishment, including the infamous Lancashire Witches trials. (5 of 6).

The Homefront: In our final episode, we examine how each Axis Power had troubles on their own home front, leading to disaster in the final days of the war. (S1, ep 5).

A Spaceship Made of Stone: The Ishi-no-Hoden megalith in Japan was supposedly built to depict an ancient flying ship. Could this have been an ancient alien vessel? (S10, ep 13).

Alien Discs: Hundreds of seemingly alien discs are found in China, only to be taken by the Chinese government and dismissed as a hoax. Is there more to the story? (S10, ep 14).

Return of the Gobekli Tepe: Experts examine the megalithic complex of Gobekli Tepe, and ask if such an advanced structure could possibly have been built by humans alone. (S10, ep 15).

George IV: The Party King: House of Hanover's party prince George IV ruled for ten years, indulging in wine, women and a life of excess and decadence. (S1, ep 4).

In the final months of WWII, how close were the Nazis and Japan to creating the nuclear explosion that would win the war? Experts and historians examine the evidence. (S1, ep 2).

The Lufthansa Heist: A clued-up mafia crew attempt an ambitious airline heist at JFK International Airport. Those involved disappeared and met their fate in the aftermath. (S1, ep 4).

Take a closer look at the working conditions of a miner in Indonesia, visit the Petrifying Well in England and tour a village where the houses are simply holes in the ground. (S1, ep 7).

Discover South Korea's seaweed farms, visit an Alaskan town where everyone lives under one roof and check out a flooded passage that leads to the French island of Noirmoutier. (S1, ep 8).

Uncover the secrets behind the San Bernardo mummies, visit the fascinating Skatopia in Ohio and take a closer look at the living conditions in Siberia. (S1, ep 9).

A Spaceship Made of Stone: The Ishi-no-Hoden megalith in Japan was supposedly built to depict an ancient flying ship. Could this have been an ancient alien vessel? (S10, ep 13).

Alien Discs: Hundreds of seemingly alien discs are found in China, only to be taken by the Chinese government and dismissed as a hoax. Is there more to the story? (S10, ep 14).

By Spring 1942, German armies had taken control, the battles of Midway and Stalingrad begin and American's achieve a ground-breaking milestone in the development of atomic weapons.

The Holy Sepulchre of Jerusalem: Uncover the secrets of the Holy Sepulchre, the sacred Christian site built in the same spot as the death and resurrection of Jesus. (S3, ep 1).

Angkor Wat: The story behind the breath-taking temple complex, which is located in Cambodia and is the largest religious monument in the world.

Return of the Gobekli Tepe: Experts examine the megalithic complex of Gobekli Tepe, and ask if such an advanced structure could possibly have been built by humans alone. (S10, ep 15).

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).

Breakthrough: Take a tour of some of the most significant breakthroughs in human history, from the digital revolution to the first aircraft to fly faster than the speed of sound. (S1, ep 4).

A Spaceship Made of Stone: The Ishi-no-Hoden megalith in Japan was supposedly built to depict an ancient flying ship. Could this have been an ancient alien vessel? (S10, ep 13).

Alien Discs: Hundreds of seemingly alien discs are found in China, only to be taken by the Chinese government and dismissed as a hoax. Is there more to the story? (S10, ep 14).

Return of the Gobekli Tepe: Experts examine the megalithic complex of Gobekli Tepe, and ask if such an advanced structure could possibly have been built by humans alone. (S10, ep 15).

The Gladiatrix: Emperor Trajan throws his great games of AD 107 and the crowd is treated to the rare spectacle of female gladiators. (S1, ep 4).

Arundel: Dan explores the history of the Earls of Arundel, how knights fought in the Hundred Years' War and how the Castle would have prepared for Queen Victoria's 1846 visit. (6 of 6).

Sphinx: The most monumental ancient sculpture in the world, the half-man, half-lion Sphinx arouses the curiosity of the entire planet - but how was such a huge structure built? (S3, ep 5).

Notre Dame of Paris: One of the world's most popular cathedrals, Notre Dame suffered a devastating fire in 2019 - but how is it surviving today? (S3, ep 2).

The Mystery of Skinwalker: 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? (S12, ep 21).

The Ultimate Guide To UFOs: UFO witnesses have reported a variety of objects in Earth's skies for centuries - could they offer clues about more intelligent life in our galaxy? (S12, ep 32).

The Patagonia Ice Dragon: A Dutch fluit shipwreck found in the Gulf of Finland reveals rare insights into 1600s maritime trade and naval architecture. (S4, ep 6).

Found in a scrapyard in 2015, the C-47 aircraft that led the D-Day landings was reconstructed for a transatlantic mission to honour the fallen. This is its incredible story. (1 of 3).

Visit Italy's most fascinating ghost town, learn about an edible bird nest in Malaysia and explore the Bollate Prison. Plus, check out a structure dubbed the Dr Seuss House. (S1, ep 6).

The Mystery of Skinwalker: 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? (S12, ep 21).

The Ultimate Guide To UFOs: UFO witnesses have reported a variety of objects in Earth's skies for centuries - could they offer clues about more intelligent life in our galaxy? (S12, ep 32).

From India at the time of the Mughal Empire to the Assyrian city of Nineveh, uncover the origins of the curses surrounding the Koh-i-Noor, the Neo-Assyrian Stele and more. (S1, ep 6).

Top Secret Arms Depot: In Weedon Bec Suggs and Stephen unearth a wealth of WW2 relics as they uncover the very secret past of a top secret arms supply depot. (S2, ep 3).

Castle of Chambord: Designed on the medieval model of forts with its enclosure and large corner towers, Chambord is France's largest and most iconic castle. (S3, ep 6).

Found in a scrapyard in 2015, the C-47 aircraft that led the D-Day landings was reconstructed for a transatlantic mission to honour the fallen. This is its incredible story. (1 of 3).

Desert Mysteries: Look down over a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah. (S1, ep 8).

Observe the daily life of a garbage collector in Brazil, visit a cave village in China and take a closer look at the working conditions of a man working in the Egyptian desert. (S1, ep 11).

Alien Skies: From mid-air abductions to near-disasters caused by unseen enemies, experts examine if we are alone in the skies over Earth. (S3 ep 7).

The Next Wave: A fascinating look at the mounting evidence that suggests UFO waves are able to penetrate the world's most closely guarded airspace at will. (S3, ep 8).

Rome's Rise and Fall: Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events through a scientific lens to dispel the myths. (2 of 5).

Slaver Ship Secrets: Ross Kemp is shocked by what he discovers as he dives on the wreck of a steam-age ship in north Devon, and a potential early slaver ship in Plymouth. (S1, ep 3).

The Patagonia Ice Dragon: A Dutch fluit shipwreck found in the Gulf of Finland reveals rare insights into 1600s maritime trade and naval architecture. (S4, ep 6).

Ruins: Archaeologists examine new evidence uncovered in Turkey that may reveal more about the notorious tale of the Trojans.

The Mystery of Skinwalker: 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? (S12, ep 21).

The Ultimate Guide To UFOs: UFO witnesses have reported a variety of objects in Earth's skies for centuries - could they offer clues about more intelligent life in our galaxy? (S12, ep 32).

Top Secret Arms Depot: In Weedon Bec Suggs and Stephen unearth a wealth of WW2 relics as they uncover the very secret past of a top secret arms supply depot. (S2, ep 3).

Sphinx: The most monumental ancient sculpture in the world, the half-man, half-lion Sphinx arouses the curiosity of the entire planet - but how was such a huge structure built? (S3, ep 5).

Alien Skies: From mid-air abductions to near-disasters caused by unseen enemies, experts examine if we are alone in the skies over Earth. (S3 ep 7).

The Next Wave: A fascinating look at the mounting evidence that suggests UFO waves are able to penetrate the world's most closely guarded airspace at will. (S3, ep 8).

Desert Mysteries: Look down over a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah. (S1, ep 8).

Aliens And The Presidents: The White House has consistently denied any knowledge of aliens, but is it in fact possible that extraterrestrials have been influencing presidents? (S12, ep 33).

The Divine Number: What is it about the number 12? It holds divine significance in numerous sacred traditions and it's found repeatedly in ancient architecture. But why? (S12, ep 35).

Antarctic Island Mysteries: A mysterious volcanic island off the coast of Antarctica is explored, while the mummified remains of a teenage girl are found in the Peruvian Andes. (S3, ep 6).

Engine problems threaten the restoration, and emotions run high as residents from Greenham Common - where the plane took off from the UK - remember seeing it in its glory. (2 of 3).

Take a closer look at the working conditions of a miner in Indonesia, visit the Petrifying Well in England and tour a village where the houses are simply holes in the ground. (S1, ep 7).

Aliens And The Presidents: The White House has consistently denied any knowledge of aliens, but is it in fact possible that extraterrestrials have been influencing presidents? (S12, ep 33).

The Divine Number: What is it about the number 12? It holds divine significance in numerous sacred traditions and it's found repeatedly in ancient architecture. But why? (S12, ep 35).

From Nazi Germany to mid-west America during the cretaceous period, uncover the origins of the curses surrounding the Gurlitt Collection, Stan the T-Rex and more. (S1, ep 7).

Spitfire: Treasure Hunters Suggs and Stephen Taylor are on the trail of an iconic Mark IX Spitfire in Belgium. (S2, ep 4).

Ancient Egypt: An exploration of 3000 years of ancient Egyptian history through the amazing stories of 10 of its most famous and spectacular buildings. (S1, ep 1).

Engine problems threaten the restoration, and emotions run high as residents from Greenham Common - where the plane took off from the UK - remember seeing it in its glory. (2 of 3).

Lost at Sea: Witness a remote island linked to one of the world's most famous aviation mysteries and explore thousands of shipwrecks in the Bermuda Triangle. (S1, ep 9).

Explore the most dangerous hotel on the planet, check out the world's most fascinating beaches, visit a used car market in Benin and take a tour of a diamond mine in Russia. (S1, ep 12).

Signs of Abduction: From loss of time and bizarre hazy memories, to terrifying accounts of alien surgery, these are the hidden signs of alien abduction. (S3, ep 9).

Antigravity: Experts discuss the possibility of advanced alien technology that could allow UFOs to fly at blinding speed or hover effortlessly a few feet above the ground. (S3, ep 10).

India: Al Murray is joined by legendary master of stand-up, Anuvab Pal, to explore the truth about Britain's rocky relationship with India. (S1, ep 1).

Unexplained Mysteries: Explore and tackle the great unsolved mysteries of our world. Generations from now, their obscured truths will provide fertile ground for myth-making. (S1, ep 6).

Ice Age Battlefield: A Swiss fisherman uncovers ancient Celtic relics in Lake Neuchatel, hinting at a violent Iron Age battle around 225 BCE. (S4, ep 7).

Hoist the Black Flag: The war of Spanish succession ends, leaving thousands of Caribbean privateers unemployed. The wreck of a treasure fleet creates new opportunities. (S1, ep 1).

Aliens And The Presidents: The White House has consistently denied any knowledge of aliens, but is it in fact possible that extraterrestrials have been influencing presidents? (S12, ep 33).

The Divine Number: What is it about the number 12? It holds divine significance in numerous sacred traditions and it's found repeatedly in ancient architecture. But why? (S12, ep 35).

Spitfire: Treasure Hunters Suggs and Stephen Taylor are on the trail of an iconic Mark IX Spitfire in Belgium. (S2, ep 4).

Castle of Chambord: Designed on the medieval model of forts with its enclosure and large corner towers, Chambord is France's largest and most iconic castle. (S3, ep 6).

Signs of Abduction: From loss of time and bizarre hazy memories, to terrifying accounts of alien surgery, these are the hidden signs of alien abduction. (S3, ep 9).

Antigravity: Experts discuss the possibility of advanced alien technology that could allow UFOs to fly at blinding speed or hover effortlessly a few feet above the ground. (S3, ep 10).

Lost at Sea: Witness a remote island linked to one of the world's most famous aviation mysteries and explore thousands of shipwrecks in the Bermuda Triangle. (S1, ep 9).

The Lost Kingdom: According to the earliest Tibetan traditions, hidden in the Himalaya Mountains is Shambhala, a kingdom of the gods. Does this mystical realm truly exist? (S12, ep 36).

The Forbidden Bible: An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins. (S12, ep 37).

WWII Warship Wreckage: A giant naval vessel is located on the bottom of the Norwegian Sea, while an ancient reptile-like creature is found in Canada. (S3, ep 10).

The restoration is complete and relatives of the original crew share their incredible stories as they board the aircraft. Will it survive a gruelling voyage over the Atlantic? (3 of 3).

Discover South Korea's seaweed farms, visit an Alaskan town where everyone lives under one roof and check out a flooded passage that leads to the French island of Noirmoutier. (S1, ep 8).

The Lost Kingdom: According to the earliest Tibetan traditions, hidden in the Himalaya Mountains is Shambhala, a kingdom of the gods. Does this mystical realm truly exist? (S12, ep 36).

The Forbidden Bible: An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins. (S12, ep 37).

From revolutionary Russia to ancient Egypt, uncover the origins of the curses surrounding the Fabergé Eggs, the Unlucky Mummy and more. (S1, ep 8).

Forgotten Bomber: The WW2 Treasure Hunters are in Northern France looking for the remains of an RAF Fairey Battle bomber plane shot down during the days after Dunkirk. (S2, ep 5).

Roman Empire: The Roman Empire was the most powerful in the world and became one of the largest in history. This episode explores the sites that defined its dominance. (S1, ep 2).

The restoration is complete and relatives of the original crew share their incredible stories as they board the aircraft. Will it survive a gruelling voyage over the Atlantic? (3 of 3).

The Planet Unlocked: The Pyramids of Giza could be a map of the stars. First responders bring hope during Hurricane Katrina. An Indonesian volcano erupts in a shade of blue. (S1, ep 10).

Travel to the richest country on the planet, take a tour of a mind-blowing hotel in Italy, visit a chicken-shaped church in Indonesia and discover the hidden world under Moscow. (S1, ep 13).

UFO Metal: Nations all over the world are rumoured to have found metal debris from UFO crashes. Join the investigation into the alleged wreckages of otherworldly crafts. (S3, ep 11).

Triangle Terror: For years, the flying saucer has been synonymous with UFO terror. But is it still the spacecraft that frightens us the most? Or has fear taken a new shape? (S3, ep 12).

Alton City Escape: Quawntay Adams gets caught up in a marijuana bust and is sentenced to prison - but when he learns he is going to be a father, he determines to escape. (S2, ep 6).

Destination Disneyland: Walt Disney overcomes obstacles to create the first theme park, where instead of thrill rides, the visitor enjoys an immersive journey into a story. (S1, ep 3).

Siberian Death Mask: A 1700-year-old death mask from Siberia reveals ancient cranial surgery, shedding light on advanced medical practices of the Tashtyk culture. (S4, ep 8).

Minotaur: A half-bull, half-man, the Minotaur is one of mythology's terrifying monsters. It's a bizarre tale of bestiality and human sacrifice - but what is the real-life origin? (S1, ep 5).

The Lost Kingdom: According to the earliest Tibetan traditions, hidden in the Himalaya Mountains is Shambhala, a kingdom of the gods. Does this mystical realm truly exist? (S12, ep 36).

The Forbidden Bible: An exploration of the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins. (S12, ep 37).

Forgotten Bomber: The WW2 Treasure Hunters are in Northern France looking for the remains of an RAF Fairey Battle bomber plane shot down during the days after Dunkirk. (S2, ep 5).

Ancient Egypt: An exploration of 3000 years of ancient Egyptian history through the amazing stories of 10 of its most famous and spectacular buildings. (S1, ep 1).

UFO Metal: Nations all over the world are rumoured to have found metal debris from UFO crashes. Join the investigation into the alleged wreckages of otherworldly crafts. (S3, ep 11).

Triangle Terror: For years, the flying saucer has been synonymous with UFO terror. But is it still the spacecraft that frightens us the most? Or has fear taken a new shape? (S3, ep 12).

The Planet Unlocked: The Pyramids of Giza could be a map of the stars. First responders bring hope during Hurricane Katrina. An Indonesian volcano erupts in a shade of blue. (S1, ep 10).

The Galactic Keyhole: The mysterious keyhole symbol exists in mystic texts, sacred architecture and artwork found around the globe. Is there more to it than meets the eye? (S12, ep 38).

Giants of the Mediterranean: Do the reported discoveries of towering, human-like skeletons reveal that the world was once inhabited by giants? (S12, ep 39).

Frozen Secrets of Prehistoric Warfare: Floods in Uttarakhand raised fears of buried Cold War nukes, but scientists linked it to a glacier collapse and environmental impacts. (S4, ep 9).

A look at the creation of the super marine Spitfire, an amazing feat of engineering that became one of the most famous fighter aircrafts in the Battle of Britain.

Uncover the secrets behind the San Bernardo mummies, visit the fascinating Skatopia in Ohio and take a closer look at the living conditions in Siberia. (S1, ep 9).

The Galactic Keyhole: The mysterious keyhole symbol exists in mystic texts, sacred architecture and artwork found around the globe. Is there more to it than meets the eye? (S12, ep 38).

Giants of the Mediterranean: Do the reported discoveries of towering, human-like skeletons reveal that the world was once inhabited by giants? (S12, ep 39).

From a hidden tomb in Turkey to a death bed in Norway, uncover the origins of the curses surrounding the Karun Treasure, Edvard Munch's The Sick Child paintings and more. (S1, ep 9).

Pathfinder: The WW2 Treasure Hunters are in Cambridgeshire on the former airbase of the Pathfinders Force - the elite flying team whose WW2 exploits were kept top secret. (S2, ep 6).

Ottoman Empire: Using CGI, contributions from experts in their fields and re-enactments, visit sites such as the Dome of the Rock in Jerusalem and the Great Mosque of Damascus. (S1, ep 3).

A look at the creation of the super marine Spitfire, an amazing feat of engineering that became one of the most famous fighter aircrafts in the Battle of Britain.

Voodoo Hogs: Troy gets a call from a local rancher with a huge problem - feral hogs are tearing his property apart. Is the ranch plagued by a curse? (S2, ep 1).

Visit the Devil's Pool in Zambia, explore the electrifying Tesla Tower in Moscow's abandoned woods and take a tour of the safest airport in the world. (S1, ep 14).

Earth Portals: Experts unravel the secrets of the universe's earth portals: shortcuts through space that allow travellers to span vast distances in the blink of an eye. (S3, ep 13).

Solar System UFOs: Discover the shocking truth about alien civilisations in our solar system. Check out derelict spacecrafts and explore the mysterious origins of UFOs. (S3, ep 14).

Walking with Witches: In Nazi Germany, questions about witchcraft attracted SS leaders. Himmler, dedicated to an Aryan super race, established a team to research witchcraft. (S1, ep 2).

Double Indemnity: With a double indemnity insurance policy on her husband's life and a lover as an accomplice, what can go wrong with Ruthie Brown's plan to stage a murder? (S1, ep 2).

Frozen Secrets of Prehistoric Warfare: Floods in Uttarakhand raised fears of buried Cold War nukes, but scientists linked it to a glacier collapse and environmental impacts. (S4, ep 9).

The Martyr: 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. (S1, ep 5).

The Galactic Keyhole: The mysterious keyhole symbol exists in mystic texts, sacred architecture and artwork found around the globe. Is there more to it than meets the eye? (S12, ep 38).

Giants of the Mediterranean: Do the reported discoveries of towering, human-like skeletons reveal that the world was once inhabited by giants? (S12, ep 39).

Pathfinder: The WW2 Treasure Hunters are in Cambridgeshire on the former airbase of the Pathfinders Force - the elite flying team whose WW2 exploits were kept top secret. (S2, ep 6).

Roman Empire: The Roman Empire was the most powerful in the world and became one of the largest in history. This episode explores the sites that defined its dominance. (S1, ep 2).

Earth Portals: Experts unravel the secrets of the universe's earth portals: shortcuts through space that allow travellers to span vast distances in the blink of an eye. (S3, ep 13).

Solar System UFOs: Discover the shocking truth about alien civilisations in our solar system. Check out derelict spacecrafts and explore the mysterious origins of UFOs. (S3, ep 14).

Voodoo Hogs: Troy gets a call from a local rancher with a huge problem - feral hogs are tearing his property apart. Is the ranch plagued by a curse? (S2, ep 1).

Impossible Artifacts: Throughout the world, ancient objects have been found that leave archaeologists at a loss. What do they reveal about the world we live in today? (S12, ep 40).

Aliens and the Old West: Could aliens have already landed on Earth? Experts visit the Texas cemetery believed to hold the body of a life form that crashed there in 1897. (S3, ep 1).

Abandoned Alpine Fortress: A group of hikers trekking across the Italian Alps stumble upon abandoned military infrastructure. What purpose did these camouflaged buildings serve? (S3, ep 8).

During World War II, British warships were struck by a secret weapon invented by the Italian Navy - the 'human torpedo'. Hear the full story, from disastrous missions to ultimate success.

Visit a UFO house in Taiwan and travel to Laos, where settlers use war ammunition as everyday objects. Plus, get to know a family that calls a graveyard home. (S1, ep 10).

Impossible Artifacts: Throughout the world, ancient objects have been found that leave archaeologists at a loss. What do they reveal about the world we live in today? (S12, ep 40).

Aliens and the Old West: Could aliens have already landed on Earth? Experts visit the Texas cemetery believed to hold the body of a life form that crashed there in 1897. (S3, ep 1).

From the Austro-Hungarian Empire to Britain in the early Middle Ages, uncover the origins of the curses surrounding Franz Ferdinand's car, Lindow Man and more. (S1, ep 10).

D-Day Dress Rehearsal: In 1944 the south west of England was packed with American troops training for D-Day. Suggs and Stephen discover more about this friendly invasion. (S2, ep 7).

The Mayans: Travel through the remote jungles of Central America to discover the extraordinary history of the grandest and most spectacular cities inhabited by the Maya. (S1, ep 4).

During World War II, British warships were struck by a secret weapon invented by the Italian Navy - the 'human torpedo'. Hear the full story, from disastrous missions to ultimate success.

Dead Zone: A suspicious disappearance in Troy's backyard sends the King of the Swamp deep into the bayou to confront beasts known and unknown. (S2, ep 2).

Visit the fascinating Indian retreat where The Beatles meditated, explore a copycat Chinese city and check out a glass factory in Israel. (S1, ep 15).

Nazi UFOs: Could alien technology have helped the Nazis' rise to power? Experts question whether Hitler had extraterrestrial help in his quest for world domination. (S3, ep 15).

Alien Bodies: Uncover the shocking truth about alien remains as experts investigate unsettling reports of extraterrestrial bodies recovered from crashed UFOs. (S3, ep 16).

The United California Bank Job: A crew described by the FBI as \"the best ever\" raid a California bank in 1972, leaving with millions allegedly linked to President Richard Nixon. (S1, ep 5).

Midwest Meth Madness: Pat Matter is a methamphetamine dealer, but he rises through the ranks to become president of the Minnesota Hells Angels. (S1, ep 6).

The Donner Party's Lost Legacy: Artifacts like glass shards and a writing slate from the tragic Donner Party of 1846 have been recently uncovered in the Sierra Nevada. (S4, ep 10).

The Tudors: Amanda explores the feisty affair between Henry VIII and Anne Boleyn, showing how her sexual control ended in disaster. Meanwhile, Dan learns to joust. (S1, ep 2).

Impossible Artifacts: Throughout the world, ancient objects have been found that leave archaeologists at a loss. What do they reveal about the world we live in today? (S12, ep 40).

Aliens and the Old West: Could aliens have already landed on Earth? Experts visit the Texas cemetery believed to hold the body of a life form that crashed there in 1897. (S3, ep 1).

D-Day Dress Rehearsal: In 1944 the south west of England was packed with American troops training for D-Day. Suggs and Stephen discover more about this friendly invasion. (S2, ep 7).

Ottoman Empire: Using CGI, contributions from experts in their fields and re-enactments, visit sites such as the Dome of the Rock in Jerusalem and the Great Mosque of Damascus. (S1, ep 3).

Nazi UFOs: Could alien technology have helped the Nazis' rise to power? Experts question whether Hitler had extraterrestrial help in his quest for world domination. (S3, ep 15).

Alien Bodies: Uncover the shocking truth about alien remains as experts investigate unsettling reports of extraterrestrial bodies recovered from crashed UFOs. (S3, ep 16).

Dead Zone: A suspicious disappearance in Troy's backyard sends the King of the Swamp deep into the bayou to confront beasts known and unknown. (S2, ep 2).

Mysteries Of The Sphinx: Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being. (S7, ep 1).

Forbidden Caves: Could Earth's deepest caves hide secret conduits to other worlds? Or harbour evidence that aliens once visited our planet? Experts investigate. (S7, ep 3).

Aliens Among Us: Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers. (S7, ep 4).

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. (1 of 2).

Clandestine Collection: Methods for covertly capturing sensitive data have grown infinitely more advanced as the devices used to do so have become exponentially smaller.

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).

Mysteries Of The Sphinx: Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being. (S7, ep 1).

Forbidden Caves: Could Earth's deepest caves hide secret conduits to other worlds? Or harbour evidence that aliens once visited our planet? Experts investigate. (S7, ep 3).

Observe the daily life of a garbage collector in Brazil, visit a cave village in China and take a closer look at the working conditions of a man working in the Egyptian desert. (S1, ep 11).

A look at the creation of the super marine Spitfire, an amazing feat of engineering that became one of the most famous fighter aircrafts in the Battle of Britain.

Stealing Hitler's Radar: An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment. (S1, ep 6).

The Carter Map: In the season finale, evidence that Dick Carter was hot on Slumach's trail emerges as map markings lead the team to Pitt Lake for one last attempt to strike gold. (S1, ep 8).

Destination Disneyland: Walt Disney overcomes obstacles to create the first theme park, where instead of thrill rides, the visitor enjoys an immersive journey into a story. (S1, ep 3).

War of the Roses - Towton: Exploring the impact of the Battle of Towton during the War of the Roses, Karl and Kevin continue their look at how weapons and body armour developed. (S1, ep 2).

Unexplained Mysteries: Explore and tackle the great unsolved mysteries of our world. Generations from now, their obscured truths will provide fertile ground for myth-making. (S1, ep 6).

The Martyr: 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. (S1, ep 5).

Double Indemnity: With a double indemnity insurance policy on her husband's life and a lover as an accomplice, what can go wrong with Ruthie Brown's plan to stage a murder? (S1, ep 2).

Mysteries Of The Sphinx: Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being. (S7, ep 1).

Forbidden Caves: Could Earth's deepest caves hide secret conduits to other worlds? Or harbour evidence that aliens once visited our planet? Experts investigate. (S7, ep 3).

Aliens Among Us: Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers. (S7, ep 4).

Minotaur: A half-bull, half-man, the Minotaur is one of mythology's terrifying monsters. It's a bizarre tale of bestiality and human sacrifice - but what is the real-life origin? (S1, ep 5).

Female Fuhrers: A look at the women who surrounded Hitler after he came to power and how they were held up as an Aryan ideal for German society to strive for. (S1, ep 1).

The Riddle of the Romanovs: After Tsar Nicholas II and his family were killed by Bolsheviks in 1918, the fate of his daughter Anastasia became unknown - did she actually survive? (S1, ep 2).

Lord Errol: Death in the Valley: What happened to the 22nd Earl of Erroll who moved to Kenya in the 20s to join a hedonistic group of UK expats known as the Happy Valley set? (S1, ep 1).

The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5).

Secrets Of The Mummies: Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth? (S7, ep 6).

Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7).

Gods and Monsters: An exploration into the origins of humans' complex and fascinating relationship with the skies, from the earliest ancestors to the birth of science. (S1, ep 1).

Covert Communication: From old-school \"dead drops\" to high-tech digital transfers, this is a look at how intelligence officers actually acquire the information collected by sources.

The United California Bank Job: A crew described by the FBI as \"the best ever\" raid a California bank in 1972, leaving with millions allegedly linked to President Richard Nixon. (S1, ep 5).

Travel to the richest country on the planet, take a tour of a mind-blowing hotel in Italy, visit a chicken-shaped church in Indonesia and discover the hidden world under Moscow. (S1, ep 13).

Visit the Devil's Pool in Zambia, explore the electrifying Tesla Tower in Moscow's abandoned woods and take a tour of the safest airport in the world. (S1, ep 14).

Visit the fascinating Indian retreat where The Beatles meditated, explore a copycat Chinese city and check out a glass factory in Israel. (S1, ep 15).

The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5).

Secrets Of The Mummies: Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth? (S7, ep 6).

1943 begins with the Casablanca Conference. Events unfold in the week of the Soviet victory in Stalingrad, and one of the best-selling songs in history is released. (S1, ep 5).

Notre Dame of Paris: One of the world's most popular cathedrals, Notre Dame suffered a devastating fire in 2019 - but how is it surviving today? (S3, ep 2).

Hagia Sophia Of Istanbul: Built in 537, this is a walk-through the stunning place of worship located in Istanbul, Turkey.

Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7).

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).

Icons: Across every profession and industry, icons exist in various forms and have done throughout history, from the Albert Einstein to the Jumbo Jet and the Sydney Opera House. (S1, ep 5).

The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5).

Secrets Of The Mummies: Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth? (S7, ep 6).

Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7).

The Martyr: 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. (S1, ep 5).

The Medieval Tower: The Tower of London opens up for an access all areas look at one of the most incredible historical sites in the world. (1 of 4).

King Edward II - a Mysterious Death: Experts investigate the mysterious demise of Edward II of England, who was held in custody by his wife and a group of barons. (S1, ep 2).

Christopher Marlow: Death in Deptford: Experts investigate the strange circumstances surrounding the death of Shakespeare mentor and fellow playwright Christopher Marlow. (S1, ep 1).

Aliens And Monsters: Experts explore a Hindu scripture describing a huge flying creature that landed on Earth. Could this monster have been an alien craft from outer space? (S3, ep 2).

Aliens And Sacred Places: Experts explore evidence suggesting Mecca's Grand Mosque and Jerusalem's Temple Mount were the ancient meeting places of man and extraterrestrials. (S3, ep 3).

Secret Structures of Guatemala: Archaeologists identify a site containing unknown structures. A lake full of jellyfish is studied and Argentinian researchers make a discovery. (S1, ep 1).

Rise of the Bomber: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (1 of 6).

Observe the daily life of a garbage collector in Brazil, visit a cave village in China and take a closer look at the working conditions of a man working in the Egyptian desert. (S1, ep 11).

Aliens And Monsters: Experts explore a Hindu scripture describing a huge flying creature that landed on Earth. Could this monster have been an alien craft from outer space? (S3, ep 2).

Aliens And Sacred Places: Experts explore evidence suggesting Mecca's Grand Mosque and Jerusalem's Temple Mount were the ancient meeting places of man and extraterrestrials. (S3, ep 3).

The Himmler Helmet: Hamilton White and friend Carl Cookson have an amazing hoard of relics - believed to have belonged to the Knights Templar. Can they prove their provenance? (S1, ep 1).

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.

Spanish Empires: Explore 10 sites that chart the rise of the crusading Catholic empire of Spain, beginning in the walled and highly religious medieval city of Avilla. (S1, ep 5).

Rise of the Bomber: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (1 of 6).

The Devil's Swamp: The King of the Swamp investigates disturbing phenomena in a malevolent section of a swamp home to strange creatures. (S2, ep 3).

Visit the plastic bottle village in Panama, discover floating boats in Greece, take a journey to Chernobyl and investigate the impact of the Centralia mine fire in Pennsylvania. (S1, ep 16).

UFO Zones: Journey to the world's hottest UFO zones, where physical and paranormal phenomenons and unidentified objects and aliens are reported with alarming frequency. (S3, ep 17).

Countdown To Disclosure: Evidence suggests the world's governments could be on the verge of announcing everything they know about UFOs. What will this mean for our society? (S3, ep 18).

The Darkest Age: Did our ancestors believe they were cursed? Professor Alice Roberts explores historic cataclysmic events such as wars and floods to dispel the myths. (3 of 5).

Gun Runners: Hearing about his great-grandfather who served in the Merchant Navy inspires Ross to explore the wreck of a WWII cargo ship and try to recover its military supplies. (S1, ep 4).

Secret Structures of Guatemala: Archaeologists identify a site containing unknown structures. A lake full of jellyfish is studied and Argentinian researchers make a discovery. (S1, ep 1).

War: Archaeologists examine new evidence uncovered in Turkey that may reveal more about the notorious tale of the Trojans.

Aliens And Monsters: Experts explore a Hindu scripture describing a huge flying creature that landed on Earth. Could this monster have been an alien craft from outer space? (S3, ep 2).

Aliens And Sacred Places: Experts explore evidence suggesting Mecca's Grand Mosque and Jerusalem's Temple Mount were the ancient meeting places of man and extraterrestrials. (S3, ep 3).

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.

The Mayans: Travel through the remote jungles of Central America to discover the extraordinary history of the grandest and most spectacular cities inhabited by the Maya. (S1, ep 4).

UFO Zones: Journey to the world's hottest UFO zones, where physical and paranormal phenomenons and unidentified objects and aliens are reported with alarming frequency. (S3, ep 17).

Countdown To Disclosure: Evidence suggests the world's governments could be on the verge of announcing everything they know about UFOs. What will this mean for our society? (S3, ep 18).

The Devil's Swamp: The King of the Swamp investigates disturbing phenomena in a malevolent section of a swamp home to strange creatures. (S2, ep 3).

Aliens And Temples Of Gold: Experts examine beliefs that a French church provides a gateway to another universe. Plus, could the Sphinx be built on a library left by aliens? (S3, ep 4).

Aliens And Mysterious Rituals: Experts question whether the notion of rituals, such as funerals and festivals, was brought to earth by ancient extraterrestrial visitors. (S3, ep 5).

Mystery Skeleton of Belize: Archaeologists find an ancient structure built on granite columns, puzzling stone spheres are found in Costa Rica and Mexican skeletal remains emerge. (S1, ep 2).

War Without Boundaries: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (2 of 6).

Explore the most dangerous hotel on the planet, check out the world's most fascinating beaches, visit a used car market in Benin and take a tour of a diamond mine in Russia. (S1, ep 12).

Aliens And Temples Of Gold: Experts examine beliefs that a French church provides a gateway to another universe. Plus, could the Sphinx be built on a library left by aliens? (S3, ep 4).

Aliens And Mysterious Rituals: Experts question whether the notion of rituals, such as funerals and festivals, was brought to earth by ancient extraterrestrial visitors. (S3, ep 5).

The Chalice: The most stunning relic in Hamilton and Carl's collection - the black obsidian chalice - is examined. The pair then head to Portugal to hunt for clues about it. (S1, ep 2).

Win Every War. Germany: Al joins forces with German comedian Henning Wehn to delve deeper into the truth behind some World War II myths.

Venetians, Crusaders, Byzantium: Chart the rise and fall of the Christian empires of Byzantium, the Crusaders and the Venetians through 10 sites, including St Mark's Basilica. (S1, ep 6).

War Without Boundaries: The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain, and the remorseless development of weapons and bombers. (2 of 6).

Quest for Bayou Gold: Troy Landry chases legendary treasure hidden deep in the bayou, helped by his right-hand man Pickle Wheat and veteran hunter Don Brewer. (S2, ep 4).

Check out the Chinese railway that runs through residential buildings, take a tour of a mysterious forest in Poland and explore amazing underground locations around the world. (S1, ep 17).

Top Civilian Encounters: From mass sightings in the sky to reports of alien probes found in human bodies, explore the ten most disturbing extraterrestrial encounters ever. (S3, ep 19).

Alien Achilles Heel: Many believe aliens are already here on Earth. Could they be plotting an attack? And if so, can humans survive their weapons' terrifying capabilities? (S3, ep 20).

Jamaica: Al is joined by Chris Daley to uncover the real story of the pirates of the Caribbean and the barbaric realities of the slave trade. (S1, ep 2).

Queen Tiye: Examine the story of Queen Tiye, who - over 3,000 years ago - surpassed her rivals and inspired a religious revolution that changed Egypt and the world. (S1, ep 1).

Mystery Skeleton of Belize: Archaeologists find an ancient structure built on granite columns, puzzling stone spheres are found in Costa Rica and Mexican skeletal remains emerge. (S1, ep 2).