Documentary the most chilling and unexplainable paranormal activity footage captured by eyewitnesses

The notion that a silver orb spotted in the sky and alleged crash debris may be from a UFO. Plus, a 65-year-old-man with the fastest hands in the West and an infamous spy organisation's alleged footage of UFOs and aliens

A photograph of a UFO hovering over Holloman Air Force Base in New Mexico and a cabin built in a supposedly anomalous spot that defies gravity in the Redwood Forests. Plus, the origin of frightening howls recorded in Witset, British Columbia

A remotely operated vehicle (ROV) finds the remains of a massive skeleton 825 metres below the surface of the Mediterranean. Plus, a building that appears to shrink as a family gets closer to it and a strange worm-shaped object spotted in the sky

Professor Alice Roberts is in Glasgow to investigate the impact of steam power on Britain's major towns in the 18th and 19th centuries. She also learns about the arrival of migrant workers in the city and how the insanitary conditions in which they lived, which made Glasgow both a hotbed of disease and a place of great medical advancement. Aerial archaeologist Ben Robinson flies his drone over Loch Katrine as he tells the story of how Victorian engineers overcame geographical barriers to bring fresh drinking water to the workers of Glasgow

Alice Roberts explores Edinburgh and its role in the union between England and Scotland. She discovers how the famous case of Burke and Hare's bodysnatching influenced British medical law, and visits the Royal Bank of Scotland, where she uncovers evidence of the world's first overdraft. Plus, the role played by Henry Dundas, whose statue stands in St Andrew's Square, in the continuation of the slave trade

David Dickinson and the team travel to Chesterfield, Derbyshire, to value antiques including Moorcroft plates, a poster of the Who and a pair of Marley horses. Plus, dealer Michael Hogben looks at a gold and diamond fob watch

Rick tackles a football helmet signed by 28 Heisman Trophy winners, while Corey gears up to buy a devastatingly cool 'Transformers' toy for the shop. Rick tries not to go 'psycho' over an Alfred Hitchcock poster that makes a cameo in the shop

Compilation of episodes from the show Junk & Disorderly, which features Henry Cole and other restorers buying, fixing, and selling automotive junk

An auction is held on Darrell and Brandon's home turf, and Mary hatches a plan to deal with inflated prices

The competition grows fierce at auctions in North Hollywood, and even Dan and Laura struggle to stay ahead of the game

Brandon and Lori strike it rich, and 'T-Money' takes risks while bidding

In one of the most unusual auctions yet, Sean invites people to bid for the contents of abandoned lorries

An instance in which a mother and child fled in terror as the entire roof of a building mysteriously ripped off and flew towards them. Plus, how scientists were left baffled as a truck carrying nothing but paint inexplicably exploded on a busy motorway and how deep-sea explorers discovered a monster thousands of feet deep in the ocean

Thousands of UFO sightings are reported every year, along with terrifying abductions and other bizarre occurrences. This programme examines these accounts and explores recently declassified top secret UFO files, casting new light on historic cases

When the team flies a cutting-edge radar device high above Skinwalker Ranch, it reveals shocking new clues about the Bubble and what may be inside the Mesa

A seller walks into the shop hoping to score with his Magic Johnson 50th birthday invitation. Chum takes a look at some joker playing cards used as props in The Dark Knight. Corey heads to the range to test out a Civil War-era derringer

Dave gets help from his friends at a vault auction, but Mary's inexperience leaves her empty-handed

Ivy plans to buy a locker full of collectibles in Mission Hills, while Darrell and Mary hope to make an easy profit, but find the local bidders do not give up without a fight

Hoping to uncover a wealth of treasures, the buyers travel to the town of Aurora, where Roy soon spots a hidden gem that may give him the upper hand

The buyers visit Orangeville, Ontario, where Ursula is determined to prove she is a major player, while Paul and Bogart uncover an unusual item

Investigations into the possibility that extraterrestrials landed on Earth thousands of years ago. This edition focuses on the top 10 alien disasters - from a flying monster at a nuclear incident, a meteor that wiped out the dinosaurs and a deadly virus

Eye-witness accounts and footage, plus expert analysis and innovative special effects show what UFOs might see from their own perspective