Planet Science: Who Discovered America

An inside look at one of the most anticipated movie sequels ever with James Cameron and cast.

Join the likes of Jeremy Renner, Hailee Steinfeld, Florence Pugh, and Vincent D’Onofrio as they reveal how Marvel Studios’ “Hawkeye” was conceived and created. Witness firsthand what it took to pull off the show’s pulse-pounding action set pieces, and discover how iconic characters from the pages of Marvel Comics such as Kate Bishop were adapted and brought to life for the six-episode series.

A string of threatening emails escalates into a revenge plot involving a newly married US marshal and his ex-girlfriend.

Scientists examine underground clues from over 250,000 years ago that raise questions about our early relatives — and what it truly means to be human.

A documentary about the development and spread of the virtual currency called Bitcoin.

A look at the origins, history and conspiracies behind the "Majestic 12", a clandestine group of military and corporate figureheads charged with reverse-engineering extraterrestrial technology.

Over 35 years after Bob Lazar's revelations, this documentary exposes secrets of a facility the government still denies. Featuring Lazar's testimony, recreations, and new evidence, it reopens a case that continues to spark global curiosity

Go behind the scenes with stars, puppeteers and creators as they bring Jim Henson's magical world of Thra back to life in a sweeping fantasy series.

A documentary about how a dominant cultural and demographic institution both sustains their traditional activities and adapts to the digital revolution.

The Making-of James Cameron's Avatar. It shows interesting parts of the work on the set.

A documentary detailing the epic Rogues' Gallery of DC Comics from The Joker and Lex Luthor, Sinestro, Darkseid and more, this documentary will explore the Super Villains of DC Comics.

In an intimate and joyful story of love in the face of loss, celebrated poets Andrea Gibson and Megan Falley find strength—and unexpected hilarity—in what might be their final year together.

A documentary exploring the legacy of Star Trek: Deep Space Nine, the reasons it went from the black sheep of Star Trek to a beloved mainstay of the franchise, and a brainstorm with the original writers on what a theoretical eighth season of the show could look like.

The film follows adventurer Jeff Johnson as he retraces the epic 1968 journey of his heroes Yvon Chouinard and Doug Tompkins to Patagonia.

A documentary chronicling Queen and Lambert's incredible journey since they first shared the stage together on "American Idol" in 2009.

A documentary about the making of season five of the acclaimed AMC series Breaking Bad.

The Captains is a feature-length documentary film written and directed by William Shatner. The film follows Shatner as he interviews the other actors who have portrayed starship captains in the Star Trek franchise.

From the heights of her modeling fame to her tragic death, this documentary reveals Anna Nicole Smith through the eyes of the people closest to her.

A look at the history of the comic book publication that launched such legendary characters as Superman, Batman and Wonder Woman.

A documentary about the life and films of director John Ford.

5000 years ago the ancient Elamites established a glorious civilization that lasted about three millennia. They created marvelous works in architecture and craftsmanship. These works of art depict the lifestyle, thoughts, and beliefs of the Elamites.

In northern Peru, the unprecedented archaeological discovery of the largest known mass child sacrifice in the world opens the doors to the kingdom of Chimor. This international archaeological investigation carried out like a criminal investigation reveals the mysteries of the last civilization of the Andes before the arrival of the Incas.

The ancients hid the secrets of their incredible knowledge of astronomy in their temples and palaces, built to align with the sun, on the same day, all over the world. Revealing our species' obsession with the sun, across thousands of years and every continent, this is architectural magic on a cosmic scale.

Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly cycle of the sun and the 19-year cycle of the moon. How did an ancient civilization, with no known written language, arrange its buildings into a virtual celestial calendar, spanning an area roughly the size of Ireland?

This explores the mysterious and catastrophic collapse of ancient civilizations during the late Bronze Age, from the Hittites to the Mycenaeans and the Egyptians, revealing the tumultuous events that brought an end to a thriving era of human history, and warns we may be facing similar threats today.

A documentary purporting to expose the space alien conspiracy that not only influenced human history... but created it as well.

Zecharia Sitchin is the author of the successful book series "The Earth Chronicles." Join this amazing scholar as he makes a scientific and scholarly argument for ancient visits to our Earth. Sitchin gives a compelling and entertaining presentation detailing the evidence that ancient aliens from other worlds have not only visited the earth but plan to return.

A documentary made by History Time on YouTube. Written, researched and produced by Pete Kelly.

Over the centuries, explorers traded tales of a lost civilization amid the dense Amazonian rainforest. Scientists dismissed the legends as exaggerations, believing that the rainforest could not sustain such a huge population—until now. A new generation of explorers armed with 21st-century technology has uncovered remarkable evidence that could reinvent our understanding of the Amazon and the indigenous peoples who lived there. Using CGI and dramatic re-creations, National Geographic re-imagines the banks of the Amazon 500 years ago, teeming with inhabitants living in the Lost Cities of the Amazon.

One of the great mysteries of history is how the ancient Maya built such an incredible society in a tropical rainforest over two thousand years - and then vanished. How? Why? New discoveries and new science can now tell the story.

Mesopotamia was the site of the Sumerian civilisation, which flourished at the confluence of the rivers Tigris and Euphrates. From 5000 to 2000 BC, the Sumerians flourished in a hostile environment by developing agriculture and irrigation and they opened up the trade routes of the ancient world. It was the Sumerians who invented writing and the wheel, and they first divided time into minutes and seconds. In the end however the Babylonian civilisation took the place of the Sumerians. However their heritage and myths live on in the Mediterranean and Western worlds to this day.

It is possible that only one per cent of the wonders of ancient Egypt have been discovered, but now, thanks to a pioneering approach to archaeology, that is about to change. Dr. Sarah Parcak uses satellites to probe beneath the sands, where she has found cities, temples and pyramids. Now, with Dallas Campbell and Liz Bonnin, she heads to Egypt to discover if these magnificent buildings are really there.

In the Bible, God destroys the sinful cities of Sodom and Gomorrah and sides with Joshua to conquer another misbehaving city: Jericho. Are these stories true or simply moral fables? Archaeological and geological evidence holds the answer.

Danielle Noble (played by Carla Ortiz) and her team of expert cave divers led by an ambitious american archaeologist (Steve Wilcox), undertake an expedition in search of the lost Mayan Library, without imagining they will instead find the hidden gates of hell known as Xib'alb'a.