Sky History 2 HD Friday

The presenter explores the strangest crimes in history, including the theft of Albert Einstein's brain and a thief dressed as Santa Claus

A look at perplexing and unusual objects. This episode focuses on a lost language, a beauty machine and something called the Disk of Strangeness

The series examines six more mysterious satellite images, including a possible smokescreen over North Korea, and two forgotten pyramids in Egypt

A team of experts tests the deadliest weapons upgrades across the history of warfare, including the Scorpio, the long sword and Henry's rifle

A team of experts explores the weapons used to recklessly attack civilian populations, from the brutal trebuchet to the devastating atomic bomb

Experts investigate an Italian mountain that has stood witness to inexplicable phenomena for centuries, wondering whether it could somehow be attracting alien visitors

Investigations into the possibility that extraterrestrials with a superior knowledge of science and engineering landed on Earth thousands of years ago

The Hudson Valley area of upstate New York, where more than 7,000 UFO sightings have been reported

The history of HMS Invincible, a ship that was captured from the French in 1747 and helped transform the Royal Navy with the lessons it taught about organisation and ship design

Beau Ouimette, Rick Edwards and Gary Bankhead search the River Nidd and River Swale for weaponry from the battles in 1318 and 1319 between the English and the Scots

The presenter explores the strangest crimes in history, including the theft of Albert Einstein's brain and a thief dressed as Santa Claus

A look at perplexing and unusual objects. This episode focuses on a lost language, a beauty machine and something called the Disk of Strangeness

The series examines six more mysterious satellite images, including a possible smokescreen over North Korea, and two forgotten pyramids in Egypt

A team of experts tests the deadliest weapons upgrades across the history of warfare, including the Scorpio, the long sword and Henry's rifle

A team of experts explores the weapons used to recklessly attack civilian populations, from the brutal trebuchet to the devastating atomic bomb

A look at UFO sightings, terrifying abductions and other bizarre occurrences, casting new light on historic cases

The underground world undergoes devastating changes, with a power plant wrecked by superheated steam, and the US nuclear command centre Norad coming under attack

Experts investigate an Italian mountain that has stood witness to inexplicable phenomena for centuries, wondering whether it could somehow be attracting alien visitors

Investigations into the possibility that extraterrestrials with a superior knowledge of science and engineering landed on Earth thousands of years ago

The Hudson Valley area of upstate New York, where more than 7,000 UFO sightings have been reported

The history of HMS Invincible, a ship that was captured from the French in 1747 and helped transform the Royal Navy with the lessons it taught about organisation and ship design

Beau Ouimette, Rick Edwards and Gary Bankhead search the River Nidd and River Swale for weaponry from the battles in 1318 and 1319 between the English and the Scots

Allen and Ton head to Hollywood, where they hope to find some stock for their ailing pawn shop business

Allen and Ton visit Hollywood for some stock for their pawn shop business, and the guys decide to take Big Sis to her first auction

The story of the Great Locomotive Chase - an attempt by northern spies to steal steam locomotive The General during the American Civil War