Blaze (Freeview) Sunday

Seth is excited when a clergyman sells him a rare baseball signed by Babe Ruth, complete with authentication papers - and knows it could be worth several thousand dollars

A man brings in a 160-year-old Tiffany watch, which has no identifying markings other than the name on its face. The pressing question is how the company verify that it is genuine

The price of gold begins to fall, and the staff worry that they could end up losing money. Les, Seth and Ashley become more conscious of what items they buy

Les offers to buy a diamond-encrusted watch from a customer. He makes sure his jewellery expert takes a close look, having been stung by a similar deal previously

Auction Hunters Ton and Allen get into a bidding war with two highly competitive women over a heavy Gatling gun and an old suit of armour

In Philadelphia, Allen Haff and Ton Jones tackle former NFL player Vince Papale over a vintage football-passing machine and a colonial musket

The guys get involved in a dispute with a former employee over a 1968 Corvette Stingray, before Allen Haff tests his ninja skills with an antique weapon

Allen Haff and Ton Jones are out-contested by a glamorous duo, but a rash bid on some apparent trash leads to an unexpected outcome

Reported accounts of alien encounters, hearing from people who believe that beings from other worlds have the means to control humanity

Recent records show California has the most UFO sightings of any US state. A team of experts - both believers and critics - investigates what Alien Corridors are and what they mean

For decades UFO research was confined to searching the skies. However, newly declassified documents suggest mysterious submerged objects are the next field of study

A look at the 1974 Coyame and 2007 Xilitla UFO crash cases in Mexico, where the Mexican and US military reportedly recovered wreckage material

The team examines a declassified US Department of Defence report which analyses an alleged encounter between a fighter pilot and a UFO in May 1980

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

Nasa footage of reported UFOs and alien presence, with comment from former Apollo astronaut Edgar Mitchell, and ex-Nasa contractor Donna Hare

Stories of an actual UFO military alert that took place at Edwards Air Force Base in California on the night of October 7, 1965

A look at a 60-year-old UFO report when three seamen and a teenage boy in Puget Sound, near Maury Island, Washington, saw six flying disks in the sky

Dan Jones explores the turbulent history of six of Britain's most famous castles, his journey commencing with a visit to Edinburgh Castle

Documentary following the exploits of explorer siblings Marty and Rick Lagina. As the garden shaft operation gets deeper, the evidence of gold gets stronger

The ocean liner Titanic, which sank on its maiden voyage from Southampton to New York in April 1912, and the mission of two very different men to re-discover her

The team examines skulls from the site of the 1499 battle that saw Switzerland win its independence from the Holy Roman Empire, and which changed the nature of medieval warfare

The intricate stories of people who committed acts against those they were meant to support, here focusing on a Russian General who switched sides

In an infamous Cold War cold case, nine hikers are found mutilated on a remote mountain slope. 60 years later, what happened to them remains a mystery

Documentary exploring issues such as a smartphone game that might be part of a CIA surveillance conspiracy, and the future of weaponised micro-drones

British car enthusiasts Will and Gus get to work on a Citreon in an attempt to double their selling price - risking their own money in the process

Gus and Will hunt down an affordable Italian car, and eventually find an Alfa Romeo 155 hiding in a barn. Making space for an inspection proves a challenge

Will and Gus buy a Porsche 923 with a cracked interior, bad paintwork and ripped seats. This driving legend is well past its best, but they still hope to turn a profit