Sky History Tuesday

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

Rick Harrison, Corey Harrison and Austin 'Chumlee' Russell return to Vegas and unpack all the treasures they found on the road. Plus, some never-before-seen clips

Corey takes a look at a vintage pinball machine, while Chum is left in charge at his new bar and Rick examines a rare coin, known as a 'king of Morgan dollars', dating from 1895

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

Justin sinks his money into a unit with an interesting pair, Dave pushes Mary to the breaking point, while Kenny finds the time to make a nice profit piece by piece

Mary's find cooks up some oversized accoutrements, while Kenny takes advantage of others' missteps to grab a unit

Brandi and Jarrod find their way back to the auction with the help of some pocket technology. Casey bails herself out despite being confined with an infectious German

Mary needs help managing a tiny parking lot in Van Nuys, California. Ivy goes on the prowl for a bike, while Dave scores a therapeutic locker

How the failed coup on November 9, 1923 eliminated Hitler's movement. His National Socialist German Workers' Party achieved a miserable result in the 1928 Reichstag elections

The presenter embarks on an adventure across Britain to decode the truth behind its Holy Grail legends, linking Arthurian lore, sacred relics and the Knights Templar

Archaeologists discover human remains during an excavation of a fifth-century fort on the Swedish island of Oland

A grim discovery in a Swedish lake reveals shocking ancient practices and the fossil of a previously unknown mammal is found in the Canadian Arctic

In a Danish bog, hundreds of mutilated ancient bones are found, while a mysterious deserted island belonging to Russia is explored

Archaeologists in Russia find several mass graves, a Second World War plane sits on a Canadian mountain and cosmic rays in Antarctica have experts stumped

Mike and Frank encounter a massive collection left behind by a woman's late father in Ohio. The supersized collection includes, five hangars, a Ferris wheel, and a steamboat.

Four smiths face an intimidating challenge in which they must 'frankenstein' together discarded pieces of scrap steel to make their blades

In Worcestershire, Andy McGrath embarks on an enchanting journey to a haunted bookstore once graced by Charles Dickens

The presenter embarks on an adventure across Britain to decode the truth behind its Holy Grail legends, linking Arthurian lore, sacred relics and the Knights Templar

New archaeological finds reveal how human resilience, belief and conflict shaped life in the world's harshest deserts

Science and the supernatural, focusing on the discovery of the 'fairy coffins' - 17 miniature coffins containing carved figures located in Edinburgh in 1836

Archaeologists identify a site containing unknown structures, a lake full of jellyfish is studied, and Argentinian researchers make a discovery

Archaeologists find an ancient structure built on granite columns, puzzling stone spheres are found in Costa Rica and Mexican skeletal remains emerge

In Madagascar, paleontologists discover an near-perfect fossil unlike any known animal, and bizarre stone spheres are found in Costa Rica

The presenter embarks on an adventure across Britain to decode the truth behind its Holy Grail legends, linking Arthurian lore, sacred relics and the Knights Templar

In Worcestershire, Andy McGrath embarks on an enchanting journey to a haunted bookstore once graced by Charles Dickens

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

Mike and Frank encounter a massive collection left behind by a woman's late father in Ohio. The supersized collection includes, five hangars, a Ferris wheel, and a steamboat.