Sky HistoryHD

A baseball thought to be autographed by 1959 World Series Champions the LA Dodgers shows up. Rick looks for a snappy deal on a rare 1930s movie camera.

That's the Way the Cookie Crumbles: Rick calls in a special guest to authenticate a Mick Foley T-shirt. Meanwhile, a seller walks in with an McDonald's cookie from the 1980s.

Goat Tell it on the Mountain: The buyers head out to Lake Arrowhead, California, where Ivy puts economies of scale to the test.

The Pro-fession-ale: Dave brings his mentor with him to Rancho Cucamonga, California, but has little to show for it.

The Vegas Ladies discover that one of them has Texas flair, Kenny lucks out looking for lady stuff; and Mary gets the spring back in her step.

Darrell stumbles over a potential diamond in the rough, and Brandi and Jarrod discover a different national pastime.

In the wake of the First World War, Adolf Hitler identifies Benito Mussolini as his model and has one ultimate goal: to gain power in Germany.

At Scratchy Moo, Matt and Damo are weighing up the two offers they have received for their land.

Mike relives the thrill of stuntman Evel Knievel's legendary career while Robbie and Jersey comb through a stockpile of military relics.

Nations vie for sky supremacy, from a near-nuclear disaster in North Carolina to UFO cover-ups and Israel's fighter jet theft.

What lies beneath? David Duchovny takes us into the top-secret government bases and the clandestine operations they were built to conceal.

Declassified records reveal elite forces' extreme missions, from deep-sea divers on Soviet cables to A-bomb deployments in hostile zones.

Mike uncovers a Godzilla-size stockpile of vintage movie posters, while Robbie pays up for a pair of ultra-rare Chevy signs for the shop in Tennessee.

The Battles Continue: The defending smith looks to retain his title in an epic kopis battle. The winner advances to a contest against a new challenger. (2 of.

Mike relives the thrill of stuntman Evel Knievel's legendary career while Robbie and Jersey comb through a stockpile of military relics.

At Scratchy Moo, Matt and Damo are weighing up the two offers they have received for their land.

The Hells Angels, The Mafia and El Chapo: When war breaks out between the Hells Angels and an enemy, the Mafia steps in.

Exploding Whale, Alligator Attack, Dallas Airshow Disaster and Ski Lift Mayhem: Tony Harris breaks down the most shocking moments ever caught on camera.