Sky History 2 Today

A look at suggestions that extraterrestrials could be altering human DNA and repopulating the Earth with alien-human hybrids

Experts investigate macabre places associated with death, and question whether otherworldly connections could be responsible for strange disappearances and suicides

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

Peter and Elroy gain access to runestone samples for the forensic geologist to conduct testing, and meet with a team that's made another interesting discovery

Military historian Stephen Bull tests the three most significant weapons of the sea and explores whether the subsonic torpedo could rule the waves in the future

The world's top 10 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

Experts question whether the facts of Earth's alien past could be buried in areas that - thanks to warfare or instability - are presently off-limits to exploration

Karl Ude-Martinez and Kevin Hicks continue their look at how weapons and body armour were developed, with a look at the impact of the War of the Roses

The presenter is joined by Bruno Tonioli to look at key battle tactics during the Roman Invasion - such as the complexity of firing a catapult

Farmer Edwin Fuhr recalls harvesting crops when he saw a metal object hovering in his field. Almost immediately, four identical objects appeared

Cousins Billy and John Smith recall driving in separate cars when they encountered a massive mothership three times the size of a football stadium

The Dillman family completes the underwater dye test at Shadow Cave. The Villescas family makes a new discovery that could be an important clue from an old treasure hunter

Peter and Elroy start their archaeological excavation at Runestone Hill, Minnesota, and meet Delroy, who takes them to the cemetery where his grandfather is buried

The actor focuses on notorious prison Alcatraz, where four men tried to break free. What happened to them after they left the island remains a mystery to this day

Archaeological finds across the North of Britain, including clues to Scotland's first kingdoms and a hoard of Viking treasure unearthed by metal detectorists

Recounting how on the outskirts of Bouerat Harbor in Libya, a small group of British special forces made plans to destroy a crucial German fuel depot

Following the Cuban revolution, Fidel Castro looked to exert his influence in Venezuela. This programme assesses Cuba's residual part in Venezuela's future

More witnessed reports of odd phenomenon. While on patrol in Chechnya, a Russian infantryman saw mysterious lights and fought an unknown presence with a hypnotising effect

Built by the ancient Anasazi, spooky sightings in New Mexico's Chaco Culture National Historical Park include shape-shifting creatures and time-traveling Wingmakers

More unexplained phenomena at Big Bend National Park, where a series of incidents has convinced some that secret alien activities are taking place there

The world's top 10 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

Experts question whether the facts of Earth's alien past could be buried in areas that - thanks to warfare or instability - are presently off-limits to exploration

Archaeological finds across the North of Britain, including clues to Scotland's first kingdoms and a hoard of Viking treasure unearthed by metal detectorists

Karl Ude-Martinez and Kevin Hicks explore how weapons and body armour were developed, beginning with a look at the impact of the 1645 Battle of Naseby

The presenter unpicks the Great British psyche and understand whether the Brits are helped or hindered by their experiences in war, beginning with the Napoleonic wars

The presenter is joined by Bruno Tonioli to look at key battle tactics during the Roman Invasion - such as the complexity of firing a catapult

A team of ancient alien theorists explores the nothon that ghosts and angels could actually be visitors from other-worldly realms