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Sean enters one of the most unusual, big money auctions yet, Scott and Jesse go head to head, Brandon and Lori take a risk and Papa Bear goes all in.

It's wheels up for Papa Bear when he takes a gamble on a mysterious covered item.

T. Phone Chum: A seller walks into the shop with an E.T. printer's proof movie poster, a rare find that captures the nostalgia of the beloved film.

The guys are awestruck by one of the rarest items ever to come through their doors - an artwork believed to be by Renaissance master Raphael.

The oldest facility in Los Angeles is where the newest buyers make their debut. Brandi and Jarrod try to piece their way to a win.

Out of the Frying Pan Am: The buyers hit Dan's home town, and the Vegas Ladies' locker really takes off. Kenny's purchase sets his wallet alight.

It's the hottest day ever in Riverside and Kenny starts seeing things, while Shana and Edwina stumble across their own paradise.

Brandi and Jarrod's mischievous side emerges during the action in Victorville, California.

The face of Christ is discovered in a field in Hungary and a photo that claims to show who shot down a passenger jet in Ukraine.

Trace the story of Britain's mystery big cats as far back as the Roman Empire and the reign of Henry VIII, as experts investigate with the latest technology and forensic science.

UFO sightings are at an all time high. What makes these mass sightings incredible is also what makes them terrifying, and what might happen next.

Sometimes, the mysterious unidentified objects people see in the sky touch down and leave physical evidence behind.

There are areas around the world that seem to keep attracting UFOs, where objects return to the skies again and again, as if taunting witnesses below.

In Alabama, Robbie and Jersey go hog wild for Edd's classic car collection and bad-to-the-bone boneyard but he's reluctant to let anything go.

Four bladesmiths are challenged with forging a canister Damascus knife using only steel wool and 1095 powder.

Henning Franzmeier and his team of archaeologists undertake excavations in Pi-Ramses, hoping to discover the truth about the ancient Egyptian pharaoh Ramses II's lost city. (1 of.

Henning Franzmeier and his team of archaeologists continue their search for the truth about Ramses the Great's lost city, uncovering new secrets and fascinating finds. (2 of.

Monkey glands for immortality, hypnotised assassins and a brain-linked cyborg couple - these are some of the strangest experiments on record.

A team of paranormal investigators come up against the force of malevolent spirits and encounter terrifying misadventures.