Sky History Tuesday

The presenter explores the world's most significant discoveries and the unexpected ways they were found. He begins by uncovering some strange structures

Les makes a deal to get the others off his back, but when some interesting animals come through the door, it might be too much for him to resist

With over 40,000 wristbands to sell, stored in 126 boxes, Les decides to sell them one by one, starting at $2 apiece. Seth and Ashley remain sceptical of the idea

Seth and Ashley make a series of bets to see if they or Les can purchase any item that comes into the store that they would otherwise dismiss as 'junk'

Seth notices that Ashley is behaving strangely - either low-balling on, or rejecting outright, various items that she would otherwise give higher deals on

Ashley continues to low-ball and mistreat customers to Seth's detriment, and gets involved in an argument in front of a client over a signed 1970 Detroit Tigers baseball

Mike tries pole dancing when a dumpster-diving artist invites him in. Robbie and Jersey uncover a bonanza of antique signs from the New York City subway

Things get scary, when a seller comes in with a letter from Stephen King. Chum gets a sweet lesson when he checks out signed Steve Aoki merchandise

Buyers discover surprises in Garden Grove. Ivy explores office equipment uses and Dusty stirs things up while learning what makes someone a jerk

Journalist Tim Tate combs through previously top-secret government files which disclose the details of extensive military, spy agency and police investigations into the paranormal

Bradley Walsh explores some of the greatest mysteries on - and beyond - Earth, attempting to uncover if humanity is truly alone in the universe

The presenter visits the monuments of Ancient Egypt in a bid to understand how such 'wonders of the ancient world' were built 4,500 years ago

The presenter considers the riddle of the Sphinx, contemplating the suggestion that it is even older than thought

Bradley visits the resting places of Akhenaten and King Tutankhamun's successor Horemheb - before coming face to face with the mummy of the Boy King himself

Chumlee takes center stage as he reacts to a unique seller who walks in with a collection of toys from the classic Planet of the Apes franchise

The Wolfe brothers seal the deal on a one-of-a-kind bi-plane. An appraiser has both good and bad news about a pricey Wild West impulse purchase

Two previous champions go head to head in a five-hour forging round making their own signature san mai blades

Chumlee takes center stage as he reacts to a unique seller who walks in with a collection of toys from the classic Planet of the Apes franchise

Bradley Walsh explores some of the greatest mysteries on - and beyond - Earth, attempting to uncover if humanity is truly alone in the universe

Journalist Tim Tate combs through previously top-secret government files which disclose the details of extensive military, spy agency and police investigations into the paranormal

An examination of several seemingly impossible things 'caught on film', including claimsa trucker captured a legendary Native American creature on his dashcam

After cameras capture footage of a UFO over Las Vegas, officials claim it's just a meteor, but some suspect something far stranger

Chumlee takes center stage as he reacts to a unique seller who walks in with a collection of toys from the classic Planet of the Apes franchise

Bradley Walsh explores some of the greatest mysteries on - and beyond - Earth, attempting to uncover if humanity is truly alone in the universe

Journalist Tim Tate combs through previously top-secret government files which disclose the details of extensive military, spy agency and police investigations into the paranormal

The Wolfe brothers seal the deal on a one-of-a-kind bi-plane. An appraiser has both good and bad news about a pricey Wild West impulse purchase

Things get scary, when a seller comes in with a letter from Stephen King. Chum gets a sweet lesson when he checks out signed Steve Aoki merchandise

Buyers discover surprises in Garden Grove. Ivy explores office equipment uses and Dusty stirs things up while learning what makes someone a jerk