Alienígenas do Passado (2010)

1 - The Top Ten Alien Influencers

Did a biblical patriarch receive instructions from 200 Angels high above the earth? Were the ancient Greeks taught how to work metal by a race of fish-people? And might Egypts most controversial Pharoah have been an extraterrestrial being? Giorgio Tsoukalos looks at mysterious teachers who have appe

1 - The Hotspot Connection

Studies have shown that up to 70% of all UFO sightings happen in so-called hotspots where reports of visions, mysterious lights and unusual phenomena are regularly witnessed–and not only in modern times, but dating back thousands of years. Could there be something about these locations that attracts

1 - The Evidence

If ancient aliens visited Earth, what was their legacy, and did they leave behind clues that exist in plain sight such as sophisticated aircraft, complex electrical grids, and intricate construction machinery? Indian Sanskrit texts, dating back to 6000 B.C., describe in varying but vivid detail flyi

2 - The Top Ten Extraordinary Creatures

For more than a decade, Ancient Aliens has collected dozens of reports of encounters with strange and mysterious beasts. Now, Ancient Astronaut Theorist Giorgio Tsoukalos takes a look back at The Top Ten Extraordinary Creatures weve investigated--creatures that just might provide compelling evidence

2 - The Crop Circle Code

More than 10,000 crop circle formations have been documented in over 50 countries, and many display properties that defy conventional explanations. Are they of otherworldly origin? And if so, what is their purpose? Could it be that reconnection with our alien ancestors will only come when we finally

2 - The Visitors

If ancient aliens visited Earth, who were they, and where did they come from? Possible historic evidence and beliefs are examined around the world. The Dogon people possess knowledge of a galaxy they claim was given to them by a star god named Amma. The Hopi and Zuni people celebrate Kachinas, gods

3 - The Top Ten Hidden Alien Bases

Counting down the top 10 locations around the world that may be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake in China that is a hotspot for UFOs, and a pyramid under the slopes of Mount Denali...

3 - Mystery of the Lost Civilization

The discovery of the ancient megalithic site of Karahan Tepe in southern Turkey turned the world of archaeology on its head, displaying engineering skills far beyond what the people of the time were thought to be capable of. But could new evidence reveal that this more than 11,000-year-old complex w

3 - The Mission

If ancient aliens visited Earth, what was their mission, and is there evidence that points to when they will return? Ancient Sumerian tablets describe an alien race, known as the Anunnaki, who came to Earth to mine for gold. Egyptian hieroglyphs depict hybrid creatures that were part man, part anima

4 - The Top Ten Scariest Encounters

This episode promises a countdown of the most unsettling and enigmatic incidents that suggest possible visitations from beings beyond our world.

4 - The Power of the Obelisks

The towering obelisks of ancient Egypt weigh hundreds of tons and each was perfectly carved from a single granite rock. While mainstream scholars identify them as monuments to the pharaohs, Ancient Astronaut Theorists suggest they may have served a technological purpose–they powered a technology tha

4 - Closer Encounters

Reports of encounters with strange beings and sightings of mysterious objects in the sky have occurred throughout history. A 13th century historical book, Otia Imperialia, includes an account of a creature descending from a flying craft over Bristol, England. The log from Christopher Columbus first

5 - The Top Ten Alien Codes

Ancient Aliens is counting down ten of the most intriguing--and mysterious--symbols and codes found across the globe that just might contain proof of otherworldly contact. From glyphs in the Peruvian desert, to spiral petroglyphs embedded with advanced math, and a language with an otherworldly origi

5 - The MUFON Files

The Mutual UFO Network is an organization devoted to the scientific investigation of unidentified aerial phenomena and other unexplained encounters; with more than five decades of investigations, MUFONs extensive database could contain proof.

5 - The Return

There is evidence that suggests we experienced 20th century alien contact. In 1942, the Battle of Los Angeles involved the US military and Air Defense allegedly fighting a UFO. WWII Allied Air Force planes were buzzed by balls of light that some think could have been extraterrestrial. And the allege

6 - The Top Ten Alien Disasters

Ancient Aliens is counting down the top ten most devastating disasters ever documented that might have an otherworldly connection, from a flying monster at a nuclear incident, a meteor that wiped out the dinosaurs, and a deadly virus that might be from another world. Could these disasters be proof o

6 - Cosmic Impacts

Meteor impacts have significantly altered our world, creating the perfect environment for the rise of humankind and delivering metals essential to the development of an advanced civilization. But could new evidence reveal that celestial objects have been directed to Earth by an alien intelligence?

7 - Secrets Of The Sumerians

More than 7,000 years ago, the ancient Sumerians established what is considered the worlds first civilization and they credited their extraordinary achievements to their gods, the Anunnaki. But is it possible that these powerful beings were, in fact, extraterrestrial visitors to Earth?

7 - Close Encounters of the Fifth Kind

The Center for the Study of Extra-Terrestrial Intelligence defines a “Close Encounter of The Fifth Kind” as direct human contact and communication with extraterrestrial life. But is this a classification that will only be useful in the distant future, or have such encounters already taken place… and

8 - The UFO Superhighway

Along the Earths north 37th parallel there have been so many reports of unidentified flying objects, animal mutilations, and other mysterious events that it has been dubbed The UFO Superhighway. Could there be something about this latitude that is attracting extraterrestrial visitors?

8 - The Mysteries of Alaska

The vast Alaskan wilderness is known for mysterious disappearances, electromagnetic anomalies, stories of strange creatures and UFO sightings; Alaskas many mysteries could be due to a presence that is not of this world.

9 - Mysteries of Scotland

For thousands of years, Scotland has been an epicenter of otherworldly phenomena; it is home to mysterious ancient stone circles, stories of strange beings, and is a major hotspot for UFO sightings.

9 - Aliens in our Airspace

Terrifying encounters at 40,000 feet. Pilot accounts of UFOs taking control of their aircraft. Entire jumbo jets disappearing into thin air. Since the dawn of aviation, pilots have experienced unexplainable events in the sky. Could they have witnessed aliens in our airspace?

10 - Mystery of the Stone Spheres

Throughout the world there are mysterious ancient stones shaped into perfect spheres; many of them show clear evidence of being manmade and some completely defy explanation; the mystery of the stone spheres could provide clues about humankinds past.

10 - The Giants of Malta

Enormous, megalithic structures of mysterious origins. A vast underground complex containing the remains of what some believe to be otherworldly beings. Could the ancient mysteries that exist on the Mediterranean islands of Malta be connected to local legends of alien visitation–and giant hybrid bei

11 - Mysteries of the Maya

Considered by many to be the greatest civilization in the history of the Americas, the Maya thrived for more than 2,000 years. Now, new evidence is being discovered that completely upends our understanding of this ancient culture... and might provide evidence that the Maya came in contact with extra

11 - The Top Ten Pyramid Sites

Ancient Aliens is counting down the worlds top ten pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4800-year-old ruins to Egypts famous Giza Plateau. Could the extraordinary structures that stand at these sites provide evidence of extraterr

12 - Unlocking the Stargates

For thousands of years, cultures around the world have held a belief in stargates through which beings have traveled to Earth from distant points in the universe and even other dimensions. Could such portals truly exist? And if we obtain the key to unlocking the stargates, will we find a cosmos team

12 - The Top Ten Mysterious Devices

Ancient Aliens is counting down the worlds top ten mysterious devices, from strange, grooved disks found in a cave in China to an ancient Greek computer to an incredible crystal skull unearthed in Mexico. Might these sensational artifacts provide evidence of extraterrestrial visitation?

13 - The Whistleblowers

For decades, incredible claims have been made about an extraterrestrial presence on Earth, and the government has gone to great lengths to discredit them.

13 - The Top Ten Mysterious Islands

Ancient Aliens is counting down the worlds top ten mysterious islands, including sites said to be home to giants, remote landmasses that are home to massive megalithic structures, and even islands that disappear into thin air. Could these incredible sites provide evidence of extraterrestrial visitat

14 - The Search For Extraterrestrial Intelligence

For thousands of years, humankind has attempted to make contact with beings from beyond Earth; now, the search for extraterrestrial intelligence is ramping up, with new technologies allowing individuals to explore the universe.

14 - The Top Ten Alien Craft

Around the world and throughout history, people have reported seeing very similar types of unidentified objects in the sky. Now, Ancient Aliens is counting down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers. Could the ubiquity of these sightings provide evidence o

15 - Jacques Vallée: UFO Pioneer

Dr. Jacques Vallée has many scientific degrees, is a best-selling author and is regarded as one of the internets founding fathers. But he is best renowned for his groundbreaking work on the subject of UFOs, where his bold theories call into question our understanding of alien life.

15 - Edgar Cayce: The Sleeping Prophet

In the early 1900s, a modern-day prophet from the hills of Kentucky became a worldwide sensation: Edgar Cayce. He claimed to receive visions of both the past and the future while in a trance, he healed the sick, and alleged to have encounters with otherworldly beings. Could it be that Edgar Cayce wa

16 - The Teachers

Stories of god-like beings providing instruction to early humans, helping establish the first civilizations; exploring if mysterious figures who appear throughout history provide evidence that these otherworldly teachers have been here all along.

16 - The Gods of Greece

More than 3,000 years ago, the ancient Greeks built an empire that is considered the birthplace of Western Civilization, and they credited their most monumental achievements to gods like Zeus, Apollo, and Poseidon. But is it possible that these powerful beings from Mt. Olympus were, in fact, extrate

17 - Egypt;s Giant Tombs

Deep beneath the sands of Egypt lie 24 enormous sarcophagi, and every one of them is empty; discussing what purpose those giant tombs had served.

17 - The New UFO Hunters

In the 21st century, UFOs have gone from fringe science to mainstream obsession. A new generation of UFO hunters is employing incredible technology, and Unidentified Flying Objects are being openly investigated by the government. Are we closer than ever to understanding the strange events happening

18 - The Linda Moulton Howe Files

For more than four decades, award-winning journalist Linda Moulton Howe has covered the most mysterious phenomena on Earth. Could her investigations on everything from bizarre animal deaths to crop formations and alien abductions lead us to a profound new reality?

18 - Power of the Talisman

For thousands of years, people have held the belief that everyday objects can possess hidden energy; talismans are seen to provide protection, good fortune, and some are thought to embody a higher power.

19 - The Top Ten Mysteries of the Deep

Counting down 10 mysteries of the deep, from sunken continents to puzzling ruins on the ocean floor and even artifacts that might be remnants of Atlantis; these underwater mysteries could provide a record of extraterrestrial visitation.

20 - The Top Ten Alien Petroglyphs

Counting down the top ten alien petroglyphs around the world, from strange, human-like figures to flying craft and carvings of what appear to be astronauts. Could these mysterious carvings provide a record of extraterrestrial visitation?