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Alien Discs: Hundreds of seemingly alien discs are found in China, only to be taken by the Chinese government and dismissed as a hoax. Is there more to the story? (S10, ep 14)

You're Fired, I Quit!: Les demands blood after a member of Seth's team makes a mistake. Unwilling to turn the culprit over, Seth is forced to take a stand against his father. (S6, ep 11)

Kill Em All: Les is furious to find broken merchandise in the pawn shop and throws the book at his staff. He issues a threat for the next person who steps out of line. (S6, ep 12)

Rich Vs Les: Tensions run high after Les threatens to fire the next employee. It's Rich who makes the fatal error, leading to the biggest showdown in the history of the store. (S6, ep 13)

Rich Returns?: After his sacking last series, Rich returns to the shop in a last-ditch effort to win back his job. Seth continues his attempt to takeover the store. (S7, ep 1)

The Shocker: An electric chair gives Rich the chance to curry favour with Les. Seth hatches a scheme that could make a fortune for the store. But will it work in practice? (S7, ep 2)

Million Dollar Story: Pawn shop owner Les hears a killer story from a group of clients. But are they to be trusted? Later, he also makes a very important discovery. (S7, ep 3)

Amy Got Back: Seth is shocked when Les brings back ex-pawn shop employee Amy. He later spots a mistake that could cost the store thousands of dollars. Is she to blame? (S7, ep 4)

Tripped Out Cash: There's trouble in the shop as a woman catches her boyfriend secretly trying to flog her ring. Plus, Les lays his hands on some priceless rock memorabilia. (S7, ep 5)

Farm Fresh: With a fleet of pricey cars and barns exploding with top-notch treasures, Mike and Robbie have high hopes for a sprawling family farm in Ohio. (S20, ep 9)

Wreck it Rick: Rick and Chum kick it with a rare pair of Pumas from 1968. Plus, the gang are stunned by some of Marie Curie's lab notes and a Post Malone guitar.

Avenger: Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history. (S3, ep 1)

Ju52: Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history. (S3, ep 2)

Oregon Trails: Missionaries Marcus and Narcissa settle by the Columbia River to convert the Cayuse. Cultural clashes and a measles outbreak spark a confrontation. (S1, ep 3)

Comanchería: The abduction of nine-year-old Cynthia kicks off a series of increasingly deadly confrontations between her Comanche captors and the newly independent Texas. (S1, ep 4)

Island Hopping: Marty makes a breakthrough on Lot 8 as Rick leads the team to the Azores, uncovering new links between Oak Island and the Knights Templar. (S13, ep 25)

Weathering Sights: It's a cold and wet day in Banning, as Laura tries to comfort the buyers with 'hot' cocoa and umbrellas. (S16, ep 3)

Yuuupocalypse Now!: Ivy takes an opportunity to practise his dart game, as the buyers head to Riverside. Rene exchanges poker for a chance to get his Becker on. (S16, ep 4)

Perilous Play: Remember when childhood came with a side of danger? Uncover explosive science kits, high-flying kite tubes, dangerous waterslides and more. (S1, ep 1)

Spectacular Stunts: Explore the thrilling world of vintage daredevils, from the Human Fly to skateboarding speedsters and diving horses. (S1, ep 2)

Mad Medicine: Ever taken medical advice from a cigarette advert? Dive into a world where animal skin could replace your own and where doctors gave coffee enemas. (S1, ep 3)

Very Extreme Sports: Delve into the origins of sports that were once considered extreme. Games like football and baseball lacked the strict rules that govern them today. (S1, ep 4)

Gold Coast socialite couple, Kimberley and Ritchie, make the tough decision to move from the Gold Coast to the mine to help Dan out. (S1, ep 1)

There are nine weeks left of the gold season to go and the pressure is on. At Swiss Diggings, an unemployed Donnie begs Dennis, the owner of Swiss Diggings, for a new job. (S1, ep 2)

East: Alice Roberts and Matt Williams present more outstanding archaeology. In the east of Britain, sites include Must Farm, Colchester, Oakington, Lyminge and Silchester. (S3, ep 1)

West: Alice Roberts and Matt Williams visit the Dorset Country Museum, where they explore finds from archaeological digs across the west of Britain. (S3, ep 2)

Discover the untold saga of the world's greatest military fighting force, made up of 150 pairs of male lovers, whose story has just been uncovered.

Top Secret Sites: Step inside secret spaces where history was shaped, from Churchill's bunker to hidden bases built to protect power in times of conflict. (S2, ep 2)