E20 • Special Edition: Mysterious Structures

E1 • Aliens And Forbidden Islands

Legends of lost and mysterious islands, advanced civilisations and Eden-like paradises have been told by sailors throughout human history. Is it possible these stories are more than just the myths of imaginative seafarers?

42m •

Legends of lost and mysterious islands, advanced civilisations and Eden-like paradises have been told by sailors throughout human history. Is it possible these stories are more than just the myths of imaginative seafarers?

E2 • Aliens And The Lost Ark

The biblical stories surrounding the Ark speak of a device with divine powers. Are these stories mere myth or did the Ark of the Covenant possess extraordinary powers?

42m •

The biblical stories surrounding the Ark speak of a device with divine powers. Are these stories mere myth or did the Ark of the Covenant possess extraordinary powers?

E3 • Aliens And Mysterious Mountains

Across ancient civilisations, the world's mountains were viewed as the sacred home to all-powerful gods. Why would so many different cultures share this belief that mountains had a connection to otherworldly beings?

42m •

Across ancient civilisations, the world's mountains were viewed as the sacred home to all-powerful gods. Why would so many different cultures share this belief that mountains had a connection to otherworldly beings?

E4 • Aliens In America

Strange rock carvings from 8,000 BC, unexplained sightings in the New World, and a frightening anomaly plaguing the American West. Is there more to America's past than is found in our history books?

42m •

Strange rock carvings from 8,000 BC, unexplained sightings in the New World, and a frightening anomaly plaguing the American West. Is there more to America's past than is found in our history books?

E5 • Aliens And Stargates

Legends from around the world speak of sacred entryways to the land of the gods. Are such passages - or stargates - just inventions of myth, or did this interstellar travel exist in the ancient world?

42m •

Legends from around the world speak of sacred entryways to the land of the gods. Are such passages - or stargates - just inventions of myth, or did this interstellar travel exist in the ancient world?

E7 • Treasures Of The Gods

Is it possible that the world's greatest ancient relics are hidden on purpose - and protected by an extraterrestrial source?

42m •

Is it possible that the world's greatest ancient relics are hidden on purpose - and protected by an extraterrestrial source?

E8 • Aliens And The Red Planet

Is our fascination with Mars simply because of its striking red color and prominence in the night sky? Or might we have a more profound extra-terrestrial connection?

42m •

Is our fascination with Mars simply because of its striking red color and prominence in the night sky? Or might we have a more profound extra-terrestrial connection?

E9 • The Shamans

Throughout history, spiritual leaders known as shamans have healed, protected and advised their people. But are they simply putting on elaborate ceremonies?

42m •

Throughout history, spiritual leaders known as shamans have healed, protected and advised their people. But are they simply putting on elaborate ceremonies?

E10 • Aliens And Insects

Can insects that have inhabited Earth for hundreds of millions of years provide a link to extra-terrestrial beings?

42m •

Can insects that have inhabited Earth for hundreds of millions of years provide a link to extra-terrestrial beings?

E12 • The Reptillians

The Reptilian alien is a fixture of science-fiction, from HP Lovecraft's tales of Valusians to the Cardassians in Star Trek. Could ancient myths about reptilian creatures provide evidence that they are more than just a pop-culture creation?

43m •

The Reptilian alien is a fixture of science-fiction, from HP Lovecraft's tales of Valusians to the Cardassians in Star Trek. Could ancient myths about reptilian creatures provide evidence that they are more than just a pop-culture creation?

E13 • Aliens & Superheroes

From the beginning of recorded history there have been stories about beings with superhuman strength, super-sonic speed and supernatural abilities. Is it possible that these stories are based on extra-terrestrial beings that once lived on Earth?

41m •

From the beginning of recorded history there have been stories about beings with superhuman strength, super-sonic speed and supernatural abilities. Is it possible that these stories are based on extra-terrestrial beings that once lived on Earth?

E14 • The Tesla Experiment

One of the most prolific inventors of the 20th century, Nikola Tesla shepherded mankind to a new industrial era and laid the groundwork for today's technological age. Is it possible that he was influenced by some otherworldly design?

41m •

One of the most prolific inventors of the 20th century, Nikola Tesla shepherded mankind to a new industrial era and laid the groundwork for today's technological age. Is it possible that he was influenced by some otherworldly design?

E15 • Alien Encounters

Ancient Aliens explores the controversial theory that extra-terrestrials have visited Earth for millions of years.

43m •

Ancient Aliens explores the controversial theory that extra-terrestrials have visited Earth for millions of years.

E16 • The God Particle

It's been called the key to the universe and possibly the most important scientific breakthrough of all time. Could the so-called 'God Particle' reveal the truth about our origins?

41m •

It's been called the key to the universe and possibly the most important scientific breakthrough of all time. Could the so-called 'God Particle' reveal the truth about our origins?

E17 • Special Edition: Faces Of The Gods

Throughout history, there are stories of strange beings unlike anything known to exist on Earth. Could they be more than just mythology?

41m •

Throughout history, there are stories of strange beings unlike anything known to exist on Earth. Could they be more than just mythology?

E19 • Special Edition: Alien Transports

Ancient cultures around the world tell stories of strange objects witnessed flying in the sky. But are these tales fiction, or might people actually have seen craft descending from the heavens?

41m •

Ancient cultures around the world tell stories of strange objects witnessed flying in the sky. But are these tales fiction, or might people actually have seen craft descending from the heavens?

E20 • Special Edition: Mysterious Structures

All over the world there are megalithic stone structures whose construction baffles archaeologists. Is it possible that humans managed to move these gigantic rocks with the help of alien technology?

41m •

All over the world there are megalithic stone structures whose construction baffles archaeologists. Is it possible that humans managed to move these gigantic rocks with the help of alien technology?