Sky History HD Saturday

For the programme's 100th episode special, four bladesmiths compete to forge an epic samurai weapon known as the O-Katana

Chumlee checks out a Japanese animatronic monkey and wonders whether it is worth his time and effort

A 1906 silver half dollar that belonged to a passenger on the Titanic is brought into the shop

A 1769 set of playing cards with hidden political message shuffles into the shop. Also, Corey checks out a set of Charlie's Angels figurines

Rick checks out various curious items including a 19th-century Hobbs & Co lock box and an original Woody Woodpecker painting

The buyers try their luck at a new La Habra facility where Ivy teaches them a lesson. Meanwhile, Dusty brews himself up an interesting unit

Brandi and Lisa's friendship is tested as they go head to head on a pair of lockers. Kenny sets his fears aside and takes the plunge on a unit

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

Alice Roberts tells the story of Tudor England by studying the history of Norwich, learning the harsh reality of religious intolerance and experiencing humiliating Tudor justice

Alice Roberts tells the story of the Regency period by studying the history of Cheltenham, Britain's most Regency town, investigating the rigid social hierarchy of the age

Alice Roberts reveals the history of Belfast, visiting the shipyards that built the Titanic and getting locked up in the notorious Crumlin Road gaol

Shana and Edwina bring their 'Golden Girls' chic to Riverside, California. A messy unit catches Dave's attention, while Rene switches from buying to selling

Mary dabbles with Dave's dark arts in Torrence, California, Kenny takes some excavation lessons, while Brandi and Jarrod to stumble across a wartime oddity

At Lake Arrowhead, California, Ivy puts economies of scale to the test. Justin almost hits the bull's-eye on his locker, while Darrell and Chad find fortunes on the farm

Dave brings his mentor with him to Rancho Cucamonga, but has little to show for it. Brandi and Jarrod go all in on a hunch, while Kenny tries to downsize his strategy

The Vegas ladies discover that one of them has Texas flair. Kenny lucks out looking for 'lady stuff', while Mary gets the spring back in her step

Darrell stumbles over what may be a diamond in the rough, while Brandi and Jarrod discover a different national pastime

The team recovers the worst Rover MGF in the country, but its members soon learn that a cheap car is cheap for a reason

British car enthusiasts Will and Gus rejuvenate a BMW Mini, relying on a donor car they have purchased for £600 on eBay

Documentary in which experts examine previously undiscovered evidence of flaws in the Titanic's design that may have contributed to the ship sinking in April 1912

Drama-documentary that uses the Colosseum to tell the story of the Roman Empire, through the lens of the men and women who fought and died there

Emperor Domitian tasks master builder Haterius with constructing a labyrinth underneath the Colosseum floor

Drama-documentary telling the story of the Roman Empire. As the Roman Empire expanded, so did the diversity of exotic beasts brought back to entertain the Colosseum crowds

Drama-documentary telling the story of the Roman Empire. Emperor Trajan throws his great games of AD 107, and the crowd is treated to a rare spectacle - female gladiators

When the team members launch an illuminated swarm of drones on Skinwalker Ranch, they are stunned by a series of mysterious events

Four bladesmiths must forge not just one, but three knives from railroad spikes in only three hours. The final two return to recreate the iconic Medieval Arming Sword

Four bladesmiths must forge a fully functional serrated knife using steel from hand scissors, or risk getting cut from the competition

Ted and Justin salvage at a century-old warehouse that was once a depot for a major department store. Ted promises big profits - but things don't go as planned

While hunting for salvage in an 1870s farmhouse, Ted finds something rare hidden behind the walls. Elsewhere, the demolition team are put to the test