A Turkish drought reveals a long-lost Basilica and its secrets, while the hull of a ship in the North Sea answers decades-old questions.

A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.

Ancient alien theorists explore the origins of mythical gods. Could these tales of superhuman beings be based on sightings of extraterrestrials.

Ancient Astronaut Theorists investigate how ancient aliens may have helped to guide and define mankind in the remote past.

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

The Soviet Union produced a large variety of tanks and airplanes during World War II. What made the T34 and the Chaika stand out and become icons.

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

Ancient alien theorists explore the origins of mythical gods. Could these tales of superhuman beings be based on sightings of extraterrestrials.

Ancient Astronaut Theorists investigate how ancient aliens may have helped to guide and define mankind in the remote past.

It is likely that aliens exist in a universe as large as ours. How would they navigate those vast distances and potentially visit us on earth.

Close encounters come in many different forms, from sightings to abductions. Meet the real people who have experienced alien life up close.

Skyfall: Exploring why the Celts moved from prosperous cities into smaller fortified settlements and how this triggered their decline in Central Europe.

Dr Alice Roberts explores the biggest collection of Roman writing tablets. A fort scattered with human skulls provides evidence of Caesar's invasion.

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

A look at the future of mind control, a extinct hobbit race and whether humans can regenerate our limbs.

Photos from 1951 suggest that a woman spontaneously combusted, while a brain-numbing noise plagues Brooklyn.

The Soviet Union produced a large variety of tanks and airplanes during World War II. What made the T34 and the Chaika stand out and become icons.

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

History's most acclaimed prophet, Nostradamus, saw the arrival of three Antichrists that would plague mankind. But who are they.

In the Bible, both the Ark of the Covenant and Noah's Ark are built to protect, each designed by God himself - before they were lost to history.

Ancient alien theorists explore the origins of mythical gods. Could these tales of superhuman beings be based on sightings of extraterrestrials.

Ancient Astronaut Theorists investigate how ancient aliens may have helped to guide and define mankind in the remote past.

It is likely that aliens exist in a universe as large as ours. How would they navigate those vast distances and potentially visit us on earth.

Close encounters come in many different forms, from sightings to abductions. Meet the real people who have experienced alien life up close.

Skyfall: Exploring why the Celts moved from prosperous cities into smaller fortified settlements and how this triggered their decline in Central Europe.

Dr Alice Roberts explores the biggest collection of Roman writing tablets. A fort scattered with human skulls provides evidence of Caesar's invasion.

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

A real Diamond T truck build has Mike and his crew scrambling to keep up with their client demands.

The Mutual UFO Network is devoted to the scientific investigation of UFOs. With more than five decades of investigations, MUFON's database could contain proof.

Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence.

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

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

Dr Alice Roberts explores the most exciting finds from West Britain. Iron Age gold in Britain is unearthed and a Viking camp is discovered.

Dr Alice Roberts uncovers some incredible finds from North Britain, including Scottish man-made islands that help paint a picture of Stone Age tech.

Andy heads to the home of palaeontology on the Jurassic Coast and braves the collapsing cliffs of Lyme Regis to bring back one of its many fossils.

Andy visits Britain's oldest shop, drinks coffee with a corpse and discovers a 19th-century time machine hidden in an urban cemetery.

The Mutual UFO Network is devoted to the scientific investigation of UFOs. With more than five decades of investigations, MUFON's database could contain proof.

Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence.

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

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

Hours before the D-Day landing, a small group of American paratroopers were dropped behind enemy lines with a vital mission.

Journey back to 885, when a small army in Paris repelled the Vikings, who had ravaged everything in their path while travelling up the Seine.

Examine how the strategy of encirclement devised by Hannibal left 50,000 Romans dead on the battlefield of Apulia on August 2, 216 BC.

The Seeds of Violence 1918-1922: In the wake of the First World War, Adolf Hitler identifies Benito Mussolini as his model and has one ultimate goal: to gain power in Germany.

Deceit and Delusion 1923-1928: Hitler appears to be eliminated after his failed putsch in 1923. Discover how the Nazi movement used democracy's tolerance in Germany to come back.

The Mutual UFO Network is devoted to the scientific investigation of UFOs. With more than five decades of investigations, MUFON's database could contain proof.

Meteor impacts have created the perfect environment for humankind. Could new evidence reveal that celestial objects have been sent by an alien intelligence.

Revelation is the most terrifying book in the Bible, describing mankind's final days. But who will survive God's wrath? And when will it happen.

In 1994, a secret manuscript hidden in the Vatican revealed a previously unknown apocalyptic prophecy accredited to Nostradamus. Where did it come from.

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.

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

One of the world's most popular cathedrals, Notre Dame suffered a devastating fire in 2019 - but how is it surviving today.

Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government.

The vast Alaskan wilderness is known for disappearances, stories of strange creatures and UFO sightings. Could this be due to an otherworldly presence.

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

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.

Dr Alice Roberts explores the biggest collection of Roman writing tablets. A fort scattered with human skulls provides evidence of Caesar's invasion.

In the East of Britain, Dr Alice Roberts finds new revelations from 'Britain's Pompeii' and the theatre where Shakespeare premiered Romeo and Juliet.

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

Discover over a hundred massive concrete arrows scattered across America, a mysterious hole in the middle of a lake in Southern California and more.

Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government.

The vast Alaskan wilderness is known for disappearances, stories of strange creatures and UFO sightings. Could this be due to an otherworldly presence.

Discover what would happen to priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell if humans were no longer around.

With no humans around, discover the fate of Las Vegas and Atlantic City, where the ocean would tear apart casinos and a new rat pack would take over.

Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches.

Explore a collection of figures and groups who have redefined the notion of fame through history, from royal families across the globe to Marilyn Monroe and The Beatles.

The Real Evidence: Delve into the new theories that shed light - or cast doubt - on the Crucifixion. Is there any real archaeological evidence.

U-Boat Terror: With the invasion of Britain officially postponed, the Germans looked for another way to knock Britain out of the war.

Pearl Harbour: In 1941, Japan, the Axis ally of Germany and Italy, attacked the US naval base at Pearl Harbour, Hawaii, with no warning and no declaration of war.

Explore whether contact with extraterrestrial life could have occurred. If so, has this happened in the highest levels of the US government.

The vast Alaskan wilderness is known for disappearances, stories of strange creatures and UFO sightings. Could this be due to an otherworldly presence.

Revisit a medieval shipwreck that could reshape history. Explore a Greek version of Atlantis that sank in a tsunami.

Unravel clues to Maya political intrigue in Guatemala and see why footprints found post-storm are changing English migration history.

Pentagon: Craig and Sarah take on the US Navy's Unidentified Aerial Phenomenon videos: the 'Tic-Tac' footage, filmed from the USS Nimitz in 2004.

Could the once seemingly far-fetched idea of the undead roaming the planet be closer to happening then we ever thought possible? Are zombies becoming a reality.

Are governments around the world using weather control to incite the next World War and possibly destroy the planet? A team of experts investigate.

In this episode, Ian works on a movie car build.

Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being.

Experts question what the God Particle reveals about the origin of our world and whether clues to its significance could have been left by ancient aliens.

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.

The Messerschmitt 262 was the brainchild of genius designer Willy Messerschmitt and it became the first combat jet in history.

The many variants of this single piston engine fighter bomber helped dominate the air to ground attack role in Vietnam, earning quite a reputation.

Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being.

Experts question what the God Particle reveals about the origin of our world and whether clues to its significance could have been left by ancient aliens.

Dr Alice Roberts joins a team of archaeologists as they attempt to restage a Roman cavalry tournament.

Dr Alice Roberts reveals the forgotten story of the Roman Army's cavalry as she journeys across Hadrian's Wall.

The team search for remains of the crashed WWII Spitfire and discover parts of the cockpit.

Alice Roberts shares archaeological discoveries from the west of the UK, including a Roman bath house and a German camp.

Finds from the East include a monument as old as Stonehenge and some disturbing Roman burials.

Ony investigates anomalies including UFO footage from Sweden and a bizarre case of decapitated goats in Atlanta.

The Messerschmitt 262 was the brainchild of genius designer Willy Messerschmitt and it became the first combat jet in history.

The many variants of this single piston engine fighter bomber helped dominate the air to ground attack role in Vietnam, earning quite a reputation.

Archaeologists discover Roman cemeteries, including a grave with a beheaded and stabbed man, leading to an investigation by Tori and her team into who committed the act and why.

Decoding a lost civilization reveals the monumental challenge undertaken by some of the academic world's most brilliant minds.

Theorists offer compelling evidence suggesting that the ancient monolith thought to depict Egyptian pharaoh Khafra once represented an alien being.

Experts question what the God Particle reveals about the origin of our world and whether clues to its significance could have been left by ancient aliens.

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.

The Mary Rose: Ross returns to training with dive master Neil Brock and explores the site of Britain's most famous wreck: the Mary Rose.

Dr Alice Roberts joins a team of archaeologists as they attempt to restage a Roman cavalry tournament.

Discover strange markings in the remote region of Northern Finland and reveal secrets found deep in the Antarctic.

A filthy 1981 Camaro Z28 needs a major transformation to get it back on the road and a 1972 Ford Maverick with sentimental value must be revitalised.

A minivan bursting at the seams with melted crayons, hay and trash has to be scrubbed, decontaminated and sanitised to be returned to its former glory.

Could Earth's deepest caves hide secret conduits to other worlds? Or harbour evidence that aliens once visited our planet? Experts investigate.

Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them.

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

The F-16 and MiG-29, born rivals of the skies, embody opposing design ideals: US tech-driven agility versus Soviet rugged aerodynamics.

The definitive combat helicopter debuted in Southeast Asia, serving as transport, gunship, smoke ship, command center, MediVac and many other roles.

Could Earth's deepest caves hide secret conduits to other worlds? Or harbour evidence that aliens once visited our planet? Experts investigate.

Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them.

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.

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

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

Hours before the D-Day landing, a small group of American paratroopers were dropped behind enemy lines with a vital mission.

Did a canoer film the legendary Skunk Ape walking in gator-infested waters.

The F-16 and MiG-29, born rivals of the skies, embody opposing design ideals: US tech-driven agility versus Soviet rugged aerodynamics.

The definitive combat helicopter debuted in Southeast Asia, serving as transport, gunship, smoke ship, command center, MediVac and many other roles.

Randy and Vicki Weaver were involved in an 11-day siege after retreating to the mountainside of Ruby Ridge. Re-examine the deadly 1992 standoff which left two dead.

Pain and Punishment: Witness the twisted origin stories of some of history's most diabolically creative and brutal torture devices, from the Iron Maiden to the Pear of Anguish.

Could Earth's deepest caves hide secret conduits to other worlds? Or harbour evidence that aliens once visited our planet? Experts investigate.

Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them.

Annually, Illinois gets more than 300 UFO reports, so why are the Tinley Park sightings - with over 70 witnesses each year - the only reports that happen en masse.

Suez: Ross hops to Plymouth and explores a coastline littered with treasures. A bout of hypercapnia leaves Ross shaken after exploring a shipwreck.

Dr Alice Roberts reveals the forgotten story of the Roman Army's cavalry as she journeys across Hadrian's Wall.

Drones reveal what is left of Henry Ford's suburb in the Amazon, while clues to what killed a once-vibrant Pennsylvania mining town is discovered.

A waterlogged Jeep Cherokee requires a major rescue after years of neglect and a snake-infested Plymouth Duster needs a new lease of life.

A Packard filled with dead rodents must be given a makeover to make a profit. A neglected 1989 Porsche Carrera covered in grime needs to be handled with care.

Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers.

Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology.

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

The Leopard 2 is probably the best all-around Main Battle Tank today, combining great mobility, a superior gun and excellent protection.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers.

Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology.

Beyond Nazca: Giorgio Tsoukalos draws on evidence from past series as he takes an in-depth look at the mystery of Southern Peru's Nasca Lines.

The Monoliths: Giorgio Tsoukalos takes a closer look at the evidence as he asks whether Earth's stone monoliths were built with extra terrestrial help.

The Tesla Experiment. Giorgio A Tsoukalos draws on evidence from past series as he asks whether Nikola Tesla was communicating with extraterrestrials.

Alien Power Plants: Giorgio Tsoukalos draws on evidence from past series as he asks whether aliens introduced the Greeks and Egyptians to electricity.

The Mystery of Puma Punku. Experts in the extra-terrestrial examine the Inca ruin and its mysteriously intricate carved blocks.

Did a filmmaker capture a mammoth crossing a Siberian river? Tony Harris examines clues to determine its validity.

The Leopard 2 is probably the best all-around Main Battle Tank today, combining great mobility, a superior gun and excellent protection.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

With 3D recreations of the wreck, discover the story of the ship said to have sailed ablaze within the Northumberland Strait.

The Puppet Master: With Roman rulers now at the mercy of the barbarians, three Roman generals compete to become emperor - but one's savage strategy comes out on top.

Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers.

Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology.

A powerful earthquake in 2018 seemed to lead to an increase in UFO sightings in Alaska - but why? Do the extra terrestrials have something to protect here.

Nazi Menace: The quest continues in the Red Sea, a deeply personal journey given Ross' grandfather fought in the North Africa campaign during WWII.

The team search for remains of the crashed WWII Spitfire and discover parts of the cockpit.

Look down over a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah.

A crusty old Pontiac Silver Streak must be taken from rags to riches, while an extremely rare but rusted Chrysler 300 Hurst needs an extensive polish and shine.

A forgotten Rolls-Royce gets the royal treatment and becomes a rolling beauty once more, while a Ford pickup is resurrected after being hidden in a barn.

History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate.

Experts investigate whether rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell.

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

The race to develop the first atomic bomb was critical amid the struggle for WWII victory. Experts reveal new evidence behind Germany's top-secret development of nuclear weapons.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate.

Experts investigate whether rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell.

Discover a massive tsunami hundreds of feet high that never touches land and an image from space may have revealed the location of the Garden of Eden.

Discover an island the size of Manhattan that vanishes without a trace and a lost city in the heart of the Amazonian jungle.

First seen from space in 1965, the Eye of the Sahara is a beautiful 25-mile structure, but how it formed remains a mystery.

NASA astronaut Mike Barratt describes photographing a strange ring in the ice on the world's oldest lake from the International Space Station.

A possible smoke screen over North Korea worries military analysts while an amateur archaeologist makes an extraordinary discovery.

Did an Italian reconnaissance pilot capture genuine UFO photos in 1979.

The race to develop the first atomic bomb was critical amid the struggle for WWII victory. Experts reveal new evidence behind Germany's top-secret development of nuclear weapons.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

This episode delves into the truth behind the rumours of Hitler's sex life, including whispers of homosexuality, voyeurism and sadomasochism.

Explore how women were active, often violent participants in the war and its atrocities - especially during the holocaust.

History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate.

Experts investigate whether rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell.

With all the activity that's been recorded here, Sedona seemingly doubles as an intergalactic airport - but what is drawing UFOs to this spot.

Treasure Hunter. D-Day: Ross goes in search of wrecks that help tell the story of D-Day and discovers that winning wasn't just a case of superior power, but also ingenuity.

Alice Roberts shares archaeological discoveries from the west of the UK, including a Roman bath house and a German camp.

Witness a remote island linked to one of the world's most famous aviation mysteries and explore thousands of shipwrecks in the Bermuda Triangle.

A maggot-infested pickup crawls into the shop and rises from the dead before a vandalised Mercedes arrives on the scene.

In North Carolina, Jaime lets Caleb take charge for the day. Meanwhile, in Minnesota, a beat up Chevy Impala gets all wrapped up and ready to roar.

Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth.

From Rasputin to the Nazis, many people throughout history are thought to have tapped into dark powers. Could they have been connecting with extraterrestrials.

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

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.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth.

From Rasputin to the Nazis, many people throughout history are thought to have tapped into dark powers. Could they have been connecting with extraterrestrials.

The Seeds of Violence 1918-1922: In the wake of the First World War, Adolf Hitler identifies Benito Mussolini as his model and has one ultimate goal: to gain power in Germany.

Deceit and Delusion 1923-1928: Hitler appears to be eliminated after his failed putsch in 1923. Discover how the Nazi movement used democracy's tolerance in Germany to come back.

Democracy Without Democrats 1929-1933: A protest turns into a racist and anti-Jewish movement during the 1920s and the NSDAP use emotions to gain the loyalty of the people.

The Racial State 1933-1934: President Hindenburg suspends freedom of speech and Hitler comes to power in 1933. The first concentration camps for political opponents are set up.

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.

What's up with the recent trend in flying sphere sightings and should we be concerned.

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.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

Discover a revolutionary War era ship hides under the streets of New York and a sprawling Roman villa is unearthed in the backyard of an English home.

Explores humanity's quest for immortality through legendary artifacts like the Holy Grail, Fountain of Youth and Philosopher's Stone.

Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth.

From Rasputin to the Nazis, many people throughout history are thought to have tapped into dark powers. Could they have been connecting with extraterrestrials.

What is it about this barren land that is attracting alien attention? Is it the sensation of otherworldliness making it feel like home.

The U-Boat Terror: Inspired by the story of his two cousins that died at sea in WWII, Ross Kemp heads up to Scapa Flow where he finds treasure that could link back to his family.

Finds from the East include a monument as old as Stonehenge and some disturbing Roman burials.

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.

Jeremy and his team are confronted with a Mercury Cougar filled with over 15 years of cat urine. A Toyota 4Runner covered in dog hair finally gets groomed.

In Georgia, a cockroach-infested 1940s Ford goes from disgusting to deluxe, while a beat-up BMW transforms into a bright, shiny beamer in North Carolina.

Eerie encounters at 40,000 feet, accounts of UFOs taking control of aircraft, and jumbo jets disappearing. Is this proof of aliens in our airspace.

Could the megalithic structures of Malta - and an underground complex housing otherworldly remains - be linked to local legends of alien visitation.

The many variants of this single piston engine fighter bomber helped dominate the air to ground attack role in Vietnam, earning quite a reputation.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

Alice Roberts shares archaeological discoveries from the west of the UK, including a Roman bath house and a German camp.

Dr Alice Roberts reveals the forgotten story of the Roman Army's cavalry as she journeys across Hadrian's Wall.

The Mary Rose: Ross returns to training with dive master Neil Brock and explores the site of Britain's most famous wreck: the Mary Rose.

Nazi Menace: The quest continues in the Red Sea, a deeply personal journey given Ross' grandfather fought in the North Africa campaign during WWII.

Eerie encounters at 40,000 feet, accounts of UFOs taking control of aircraft, and jumbo jets disappearing. Is this proof of aliens in our airspace.

Could the megalithic structures of Malta - and an underground complex housing otherworldly remains - be linked to local legends of alien visitation.

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

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.

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

Journey back to 480 BC, when King Leonidas and his 300 Spartans successfully blocked Xerxes' two-million-strong Persian army at Thermopylae.

Rome never recovered after Arminius' tactics in the Teutoburg Forest. Many of the associated riddles are answered, but some remain unresolved.

Democracy Without Democrats 1929-1933: A protest turns into a racist and anti-Jewish movement during the 1920s and the NSDAP use emotions to gain the loyalty of the people.

The Racial State 1933-1934: President Hindenburg suspends freedom of speech and Hitler comes to power in 1933. The first concentration camps for political opponents are set up.

Eerie encounters at 40,000 feet, accounts of UFOs taking control of aircraft, and jumbo jets disappearing. Is this proof of aliens in our airspace.

Could the megalithic structures of Malta - and an underground complex housing otherworldly remains - be linked to local legends of alien visitation.

History's most acclaimed prophet, Nostradamus, saw the arrival of three Antichrists that would plague mankind. But who are they.

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.

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.

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.

Discover Tikal, one of the largest and most powerful archaeological sites and urban centers of pre-Columbian Mayan civilisation.

Count down the world's top ten pyramid sites, from hidden structures in Peru to the famous landmarks of Giza in Egypt.

Count down the top 10 mysterious devices found around the world, from strange discs found in a cave in China to an ancient Greek computer.

The definitive combat helicopter debuted in Southeast Asia, serving as transport, gunship, smoke ship, command center, MediVac and many other roles.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

Finds from the East include a monument as old as Stonehenge and some disturbing Roman burials.

The team search for remains of the crashed WWII Spitfire and discover parts of the cockpit.

Suez: Ross hops to Plymouth and explores a coastline littered with treasures. A bout of hypercapnia leaves Ross shaken after exploring a shipwreck.

Treasure Hunter. D-Day: Ross goes in search of wrecks that help tell the story of D-Day and discovers that winning wasn't just a case of superior power, but also ingenuity.

Count down the world's top ten pyramid sites, from hidden structures in Peru to the famous landmarks of Giza in Egypt.

Count down the top 10 mysterious devices found around the world, from strange discs found in a cave in China to an ancient Greek computer.

What is the fate of our cars, planes and roads? What part would armadillos play in a future without people? And how do abandoned oil refineries threaten major disaster.

Water gives life, but it can also destroy. Discover how, in a world without people, rain submerges New Orleans and corrosion topples Seattle's Space Needle.

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.

Declassified: Explore some of the darker elements of the MK Ultra programme, which sought out a miracle mind control method via human experimentation.

Bombing the Reich: Towards the end of the war, the bombing of the city of Dresden provided one of the most controversial episodes of the war. This episode tells the story.

Road to Burma: The fall of Singapore and brutal Burma Railway highlight the conflict, alongside the Chindits and Merrill's Marauders.