Sky History Friday

Mike and Danielle scour a sensory-overload attic in Detroit, while Jersey and Robbie follow a random lead to a late collector's mighty stockpile

Dan Jones explores the history of York Castle, built on the orders of William the Conqueror and once the regional seat of British government

Dan Jones explores the history of Leeds Castle in Kent, from its origins as a royal Saxon family's manor to its current ownership by a specially created charity

Troy and Tes gamble on new hunting grounds, Ashley and Kaylyn follow an old surveyor's trail, while Zak and Aaron place their bets on Bad Luck Prairie

Barry and Kenny show up in their alternative fuel vehicle, Lisa does her best to break the curse of the bad locker, while Ivy finds some curious denominations

Laura takes the reigns alone in Fullerton and proceeds to outsell Dan. Brandi gets assaulted by her locker but ultimately drives home a winner

Ivy's locker shines some light on the business, while Lisa learns that she needs her locker about as much as she needs a hole in her head

In West Covina, Lisa is so busy looking back that she makes the worst auction mistake. In contrast, Rene finds a bargain and really makes the most of it

British car enthusiasts Will and Gus lay their hands on a potentially very valuable Volvo. It's great to look at, but doesn't start easily and cannot stop

British car enthusiasts Will and Gus splash out £550 on a garage owner's Mercedes 190. Its previous owner has failed to fix it, but the duo are more confident

Dan Jones explores the turbulent history of Lancaster Castle, which has witnessed scenes of historical, cultural and political significance throughout the centuries

Dan Jones explores Arundel Castle, in West Sussex, which has been the seat of the Dukes of Norfolk and their ancestors for over 850 years

A Mick Foley T-shirt and autographed mask come arrives into the shop, prompting Rick to call in a special guest to authenticate it

The owner of a massive collection of Toy Story merchandise has high hopes for big money, but Corey's expert reveals some key details that are missing

In Nebraska, the Wolfe brothers comb through Larry Land - an epic 27,000-square-foot hangar full of choice coin-op, carnival relics and more

Four smiths try to salvage steel from a massive railroad track to make their signature big blades. Two smiths fashion a monstrous seven-foot sword

Alice Roberts tells the story of Viking England by studying the history of York, taking part in a Viking battle and meeting the people behind a memorable archaeological find

The real story of Russia's first tsar, who has become synonymous with despotism and tyranny, despite being remembered in his own land as a statesman who held the country together

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

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

Barry and Kenny show up in their alternative fuel vehicle, Lisa does her best to break the curse of the bad locker, while Ivy finds some curious denominations

Laura takes the reigns alone in Fullerton and proceeds to outsell Dan. Brandi gets assaulted by her locker but ultimately drives home a winner

Ivy's locker shines some light on the business, while Lisa learns that she needs her locker about as much as she needs a hole in her head

In West Covina, Lisa is so busy looking back that she makes the worst auction mistake. In contrast, Rene finds a bargain and really makes the most of it

Part one of two. Sixty years on, Tony's close encounter has become an obsession. Pilot David presents photographic evidence of the UFO he almost crashed into

Part two of two. Adam, Gwen and Julie recall personal encounters with UFOs, before it is revealed that each individual has time missing from their plotted recollections

A Mick Foley T-shirt and autographed mask come arrives into the shop, prompting Rick to call in a special guest to authenticate it

The owner of a massive collection of Toy Story merchandise has high hopes for big money, but Corey's expert reveals some key details that are missing

A Mick Foley T-shirt and autographed mask come arrives into the shop, prompting Rick to call in a special guest to authenticate it