Sky History 2 TV Guide

Experts investigate whether the US military has a secret space programme, as well as evidence suggesting alien races have been in conflict for millennia

An alien race claimed to have been encountered by a military man stationed at Nellis Air Force base in the Nevada desert. Charles James Hall refers to them as the 'Tall Whites'

Ben Fogle commemorates the 140th anniversary of the famous ship by stepping aboard to recount the full story of the world-renowned tea clipper, including efforts at restoration

The team follows the search for artefacts from the Second World War, joining marine archaeologists in the Solent as they raise a Fairey Barracuda divebomber. Elsewhere, a dig in the Lake District tells the moving story of the Windermere Boys, and in Aldbourne in Wiltshire, archaeologists search for personal items from the most famous American unit of the US army, 'Easy Company', who were stationed there in 1943 and 1944

Cameras capture the world from fresh and exhilarating perspectives. This episodes features strange aquatic mammals populating a river in Colombia, a ship marooned in a sea of sand along Namibia's notorious Skeleton Coast and a Boeing 727 jetliner hidden in a pine forest. Plus, an unusual pattern is discovered in the Nevada desert

Skilled 'pickers' hunt down objects with historical, collectible and pop culture value that have been long forgotten by their owners. Scott and Sheldon begin their Alberta picking expedition at the legendary Blackfoot Truck Stop. There, Scott becomes captivated by a 'white man's' totem pole. The challenge now is whether they can successfully uproot it from the ground

The world's top 10 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

The top 10 alien craft, from V-shaped objects to orbs of light to flying saucers

The Yakovlev Yak-3, a Second World War Soviet fighter that was regarded for its performance at low altitudes and its agility. It was one of the most successful Soviet aircraft designs of the war

The McDonnell Douglas F-4 Phantom II. Regarded as one of the most important aircraft of the Cold War. It was a major part of the United States Air Force, Navy and Marine Corps, and was also used by many other countries

How a lobster led archaeologists to the discovery of an 8,000-year-old neolithic settlement and witnessing the excavation of an Iron Age crouched burial at a secret location in Dorset. Also, Naoise Mac Sweeney visits a modern construction site as it gives up the secrets of an Elizabethan playhouse

Professor Alice Roberts follows archaeologists as they unearth Britain's most spectacular iron-age grave, a chariot burial in East Yorkshire. The programme also follows two other archaeological digs, an Iron-Age hill fort found in North Wales, and the remains of six roundhouses on the bed of Loch Tay in Perthshire, Scotland

Inspired by the stories of his shipwrecked relatives, Ross heads up to the Royal Navy's historic naval base in the far northerly Orkney Islands, Scapa Flow. Here, Ross and dive supervisor Neil Brock link up with expert local dive guide Emily Turton and head out into the water to dive on Second World War wrecks. Ross and Emily explore a captured German scout ship called the F2 and recover a slew of artefacts that could be linked to Ross's two relatives who died serving in the Royal Navy during the conflict. Ross investigates how Winston Churchill hit upon a revolutionary tactic to defend Scapa Flow from U-boat attacks, as the wreck of the sunken SS Tabarka finally gives up its secrets

To take on the deepest wrecks in Scapa Flow, Ross needs to successfully navigate decompression training before heading out with local dive guide Emily Turton to dive on one of the biggest of the Kaiser’s Imperial war ships from the First World War, SMS Karlsruhe. As he explores the eerie relic, Ross tries to understand how and why the German fleet ended up on the Scottish seabed, when they had already surrendered months earlier. Having resolved one enduring mystery, he then heads 600 miles south to meet with ex-serviceman Mark Culwick and dive on an experimental British aircraft carrier submarine built in the 1920s called the M2. This unique vessel was lost in shocking circumstances, with all hands. During his dive Ross starts to understand the horrifying truth of exactly how and why the 60 men on board never came home

The world's top 10 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

The top 10 alien craft, from V-shaped objects to orbs of light to flying saucers

The crucial role ships have played in international conflict over the past 500 years, beginning with the battleship's declining influence during the 20th century

Auschwitz survivors explore the railways' part in the Nazis' plans to commit murder. Documentary exploring the role of trains in major conflicts of the past 150 years