E40 • The World Beneath Our Feet

E1 • The Hunt For Hidden Treasures

Sunken ships filled with priceless cargo. Lost cities of gold. Ancient temples concealing untold riches. Are such lost treasures merely the stuff of legend? Or could they actually be real?

41m • 2021

Sunken ships filled with priceless cargo. Lost cities of gold. Ancient temples concealing untold riches. Are such lost treasures merely the stuff of legend? Or could they actually be real?

E2 • Satanic Encounters

For thousands of years, people have believed in the existence of Satan, the embodiment of evil. But is Satan a myth? Or are there signs of Satan's existence - and the evil he brings into our world?

41m • 2021

For thousands of years, people have believed in the existence of Satan, the embodiment of evil. But is Satan a myth? Or are there signs of Satan's existence - and the evil he brings into our world?

E3 • The Search for the Ark of the Covenant

According to the Old Testament, God instructed Moses to build the Ark. But how could such a coveted religious artefact just disappear? And is it possible that the Ark could actually be found?

41m • 2021

According to the Old Testament, God instructed Moses to build the Ark. But how could such a coveted religious artefact just disappear? And is it possible that the Ark could actually be found?

E4 • Apocalypse When?

Is there anything we can do to predict the future and protect ourselves from apocalypse? Will our civilisation end - or will we find a way to evolve and endure?

41m • 2021

Is there anything we can do to predict the future and protect ourselves from apocalypse? Will our civilisation end - or will we find a way to evolve and endure?

E5 • Secrets of The Immortals

Could it be possible to cheat death and live forever? What if, by re-examining ancient teachings and harnessing modern technology, we could eventually become immortal?

41m • 2021

Could it be possible to cheat death and live forever? What if, by re-examining ancient teachings and harnessing modern technology, we could eventually become immortal?

E6 • Sacred Bones

Some believe that bones can bring good luck, or even allow us to speak with the dead. But is it possible that our bones hold some sacred power - or perhaps even our souls?

41m • 2021

Some believe that bones can bring good luck, or even allow us to speak with the dead. But is it possible that our bones hold some sacred power - or perhaps even our souls?

E7 • Mysteries of Mars

For centuries, humanity has fixated on Mars, the glowing red orb in the night sky. As a new era of exploration begins, we are on the cusp of finally solving the Red Planet's mysteries.

41m • 2021

For centuries, humanity has fixated on Mars, the glowing red orb in the night sky. As a new era of exploration begins, we are on the cusp of finally solving the Red Planet's mysteries.

E8 • Mysterious Ancient Ruins

Ancient ruins fascinate us, and some archaeological finds are so baffling that they challenge everything we know about the past. Will we ever learn the truth about these mysterious ruins? Or will they continue to present more questions than answers?

41m • 2021

Ancient ruins fascinate us, and some archaeological finds are so baffling that they challenge everything we know about the past. Will we ever learn the truth about these mysterious ruins? Or will they continue to present more questions than answers?

E9 • The Mystery Of Genius

Genius is widely considered to be the ability to change the world in an incredible way: inventing new technology, deciphering the mysteries of the universe, or creating transcendent art. But where does genius come from?

41m • 2021

Genius is widely considered to be the ability to change the world in an incredible way: inventing new technology, deciphering the mysteries of the universe, or creating transcendent art. But where does genius come from?

E10 • What Lies Below?

More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find?

41m • 2021

More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find?

E11 • Secrets Of Abandoned Places

From ancient Babylonians to modern-day urban explorers, mankind has always been fascinated by abandoned places.

41m • 2021

From ancient Babylonians to modern-day urban explorers, mankind has always been fascinated by abandoned places.

E12 • Acts Of God

The Great Flood. The Plagues of Egypt. Sodom and Gomorrah. Moses parting the Red Sea. Are these merely tall tales or could they be historically accurate?

41m • 2021

The Great Flood. The Plagues of Egypt. Sodom and Gomorrah. Moses parting the Red Sea. Are these merely tall tales or could they be historically accurate?

E13 • Serial Killer Creatures

The animal kingdom is full of deadly predators, and some of them attack in extraordinary and inexplicable ways. But do some animals strike at humans for reasons beyond normal defence and hunger?

41m • 2021

The animal kingdom is full of deadly predators, and some of them attack in extraordinary and inexplicable ways. But do some animals strike at humans for reasons beyond normal defence and hunger?

E14 • Mysterious Tombs

Throughout history, humans have buried their dead. Is there an inherent need for us to dig up our past? What is it that we are searching for, and what profound secrets remain hidden in tombs?

41m • 2021

Throughout history, humans have buried their dead. Is there an inherent need for us to dig up our past? What is it that we are searching for, and what profound secrets remain hidden in tombs?

E15 • UnCanny Curses

All over the world there are places and objects that are thought to be cursed. Are curses merely the product of over-active imaginations, or is it possible that these curses are real and there are dark forces at play that defy explanation?

41m • 2021

All over the world there are places and objects that are thought to be cursed. Are curses merely the product of over-active imaginations, or is it possible that these curses are real and there are dark forces at play that defy explanation?

E16 • Superhuman Feats

Some people are capable of the seemingly impossible, surviving freezing temperatures, diving unfathomable depths on one breath, or lifting objects of mind-boggling weight.

41m • 2021

Some people are capable of the seemingly impossible, surviving freezing temperatures, diving unfathomable depths on one breath, or lifting objects of mind-boggling weight.

E17 • Mysteries Of The Missing Link

Today, human civilisation spans the globe, and there are more than 7 billion people on Earth. But how exactly did humanity evolve?

41m • 2021

Today, human civilisation spans the globe, and there are more than 7 billion people on Earth. But how exactly did humanity evolve?

E18 • Surviving The Impossible

Human can survive catastrophic injuries and deadly scenarios that defy the odds in ways that are inexplicable. Is cheating death when survival is seemingly impossible simply fate or good fortune?

41m • 2021

Human can survive catastrophic injuries and deadly scenarios that defy the odds in ways that are inexplicable. Is cheating death when survival is seemingly impossible simply fate or good fortune?

E19 • The Search For King Arthur

England's first pop culture superhero, King Arthur's exploits have inspired numerous blockbuster movies and television series. A testament to the power of myth? Or the enduring legacy of fact?

41m • 2021

England's first pop culture superhero, King Arthur's exploits have inspired numerous blockbuster movies and television series. A testament to the power of myth? Or the enduring legacy of fact?

E20 • Wonders Of The Ancient World

Remarkable feats of engineering from our ancient past span the globe. Did the ancients have advanced scientific knowledge that has been lost to time?

41m • 2021

Remarkable feats of engineering from our ancient past span the globe. Did the ancients have advanced scientific knowledge that has been lost to time?

E21 • The Hunt For Jack The Ripper

Who was Jack the Ripper? Over 130 years later, are we any closer to the identity of one of history's most notorious serial murderers?

41m • 2021

Who was Jack the Ripper? Over 130 years later, are we any closer to the identity of one of history's most notorious serial murderers?

E22 • The Search For Extraterrestrial Life

King Arthur's exploits have inspired numerous blockbuster movies and television series. A testament to the power of myth? Or the enduring legacy of fact?

41m • 2021

King Arthur's exploits have inspired numerous blockbuster movies and television series. A testament to the power of myth? Or the enduring legacy of fact?

E23 • Real Life Monsters

For centuries, fantastic tales of terrifying monsters have fascinated mankind. But what if these creatures were more than just works of imagination and superstition? Could these famous monsters still lurk in a dark corner of our globe today?

41m • 2021

For centuries, fantastic tales of terrifying monsters have fascinated mankind. But what if these creatures were more than just works of imagination and superstition? Could these famous monsters still lurk in a dark corner of our globe today?

E24 • America's Lost Treasures

For hundreds of years there have been legends of vast treasures hidden throughout the United States. But are these legends of lost treasures tall tales? Or is it possible that incredible valuables are out there, waiting to be discovered?

41m • 2021

For hundreds of years there have been legends of vast treasures hidden throughout the United States. But are these legends of lost treasures tall tales? Or is it possible that incredible valuables are out there, waiting to be discovered?

E25 • The Bermuda Triangle And The Beyond

All over the world are forbidden 'triangles' - mysterious regions where ships, planes and people enter and then just disappear. Do these locations defy the laws of physics? Or are there some places on Earth where we are simply not meant to go?

41m • 2021

All over the world are forbidden 'triangles' - mysterious regions where ships, planes and people enter and then just disappear. Do these locations defy the laws of physics? Or are there some places on Earth where we are simply not meant to go?

E26 • Secrets Of The Founding Fathers

The Founding Fathers established the pillars of US freedom and democracy. Centuries later, new revelations emerge about their complexities, agendas, and hidden truths. What secrets lie behind the men who shaped America?

41m • 2021

The Founding Fathers established the pillars of US freedom and democracy. Centuries later, new revelations emerge about their complexities, agendas, and hidden truths. What secrets lie behind the men who shaped America?

E27 • The Weird Wild West

The American frontier is full of legends of cowboys, Native Americans, and outlaws. But there are also many eerie stories of cursed mountains, monsters and even UFOs. Could these tales be true? Is the Wild West much stranger than commonly thought?

41m • 2021

The American frontier is full of legends of cowboys, Native Americans, and outlaws. But there are also many eerie stories of cursed mountains, monsters and even UFOs. Could these tales be true? Is the Wild West much stranger than commonly thought?

E28 • Devastating Disasters

In our modern world, we believe technology safeguards us from disasters. But are we truly protected? Are we as vulnerable today as our ancestors were to fires, earthquakes, and hurricanes?

41m • 2021

In our modern world, we believe technology safeguards us from disasters. But are we truly protected? Are we as vulnerable today as our ancestors were to fires, earthquakes, and hurricanes?

E29 • Mysterious Monoliths

All over the world, there are giant monoliths that our ancestors carved out of solid rock. What was the purpose of these monuments? Did they serve some kind of ritual function? Were they intended to honour the gods? Or designed to conduct energy?

41m • 2021

All over the world, there are giant monoliths that our ancestors carved out of solid rock. What was the purpose of these monuments? Did they serve some kind of ritual function? Were they intended to honour the gods? Or designed to conduct energy?

E30 • Lost Cities

For centuries archaeologists and explorers have been obsessed with locating ancient cities lost to time. How does a once-thriving community become a lost city? And if their ruins are found, what secrets might be they reveal about human history?

41m • 2021

For centuries archaeologists and explorers have been obsessed with locating ancient cities lost to time. How does a once-thriving community become a lost city? And if their ruins are found, what secrets might be they reveal about human history?

E31 • Tales of The Dearly Departed

For years, humans have found ways to lay the dead to rest. Graves, tombs, cremations all provide a final resting place. But is it possible that some of these practices can preserve the soul for eternity? Or even bring the dead back to life?

41m • 2021

For years, humans have found ways to lay the dead to rest. Graves, tombs, cremations all provide a final resting place. But is it possible that some of these practices can preserve the soul for eternity? Or even bring the dead back to life?

E32 • Curses Unleashed

Every major civilisation believed in curses, and their power to inflict harm on the unsuspecting. People are still afraid of walking into a cursed place or touching a reportedly-cursed object. If curses are real, what brings them into existence?

41m • 2021

Every major civilisation believed in curses, and their power to inflict harm on the unsuspecting. People are still afraid of walking into a cursed place or touching a reportedly-cursed object. If curses are real, what brings them into existence?

E33 • Earth's Unsolved Mysteries

The world is full of stunning displays of natural phenomena that are so spectacular and, at times, so strange they defy conventional wisdom. Can science explain Earth's mysteries? Or does human knowledge of the Earth only scratch the surface?

41m • 2021

The world is full of stunning displays of natural phenomena that are so spectacular and, at times, so strange they defy conventional wisdom. Can science explain Earth's mysteries? Or does human knowledge of the Earth only scratch the surface?

E34 • The Power of Prophecy

Throughout history, many have claimed to be able to see into the future. These mystics, prophets, and clairvoyants received visions of events that changed the course of history. But what did their prophecies reveal?

41m • 2021

Throughout history, many have claimed to be able to see into the future. These mystics, prophets, and clairvoyants received visions of events that changed the course of history. But what did their prophecies reveal?

E35 • Mysterious Monsters

There have been countless sightings of bizarre creatures. Based on eyewitness accounts, they can only be described as monsters that cannot be explained by science. Is it possible that there are terrifying monsters lurking in the shadows?

41m • 2021

There have been countless sightings of bizarre creatures. Based on eyewitness accounts, they can only be described as monsters that cannot be explained by science. Is it possible that there are terrifying monsters lurking in the shadows?

E36 • Sacred Rituals

Cultures have all used sacred rituals to express spiritual beliefs. While some practices may appear strange, there are rituals that are thought to unlock incredible powers. Is it possible that rituals can connect humanity to a higher existence?

41m • 2021

Cultures have all used sacred rituals to express spiritual beliefs. While some practices may appear strange, there are rituals that are thought to unlock incredible powers. Is it possible that rituals can connect humanity to a higher existence?

E37 • UFO Hotspots

Thousands of people report witnessing UFOs. A majority of these strange and disturbing incidents take place in the same locations. Is it possible that extraterrestrial spacecraft are repeatedly visiting Earth at so-called "UFO Hot Spots?"

41m • 2021

Thousands of people report witnessing UFOs. A majority of these strange and disturbing incidents take place in the same locations. Is it possible that extraterrestrial spacecraft are repeatedly visiting Earth at so-called "UFO Hot Spots?"

E38 • Extraordinary Structures

There are ancient structures that defy explanation because even with today's technology they would be nearly impossible to duplicate. How were ancient civilisations able to build such extraordinary structures? And what purpose did they serve?

41m • 2021

There are ancient structures that defy explanation because even with today's technology they would be nearly impossible to duplicate. How were ancient civilisations able to build such extraordinary structures? And what purpose did they serve?

E39 • Holy Relics

Throughout history and across the globe, there have been many sacred relics believed to be imbued with mystical powers. Is it possible that these ordinary items - a tooth, or a soldier's spear - could have the ability to perform miracles?

41m • 2021

Throughout history and across the globe, there have been many sacred relics believed to be imbued with mystical powers. Is it possible that these ordinary items - a tooth, or a soldier's spear - could have the ability to perform miracles?

E40 • The World Beneath Our Feet

More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find?

41m • 2021

More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find?