Sky HistoryHD

Step inside secret spaces where history was shaped, from Churchill's bunker to hidden bases built to protect power in times of conflict.

When something strange is recorded flying in Mexico, some wonder if it's a witch reputed to kidnap children.

Experts consider if a man could be the product of government attempts at creating a super soldier or the failed result of a mind-control experiment.

Remember when childhood came with a side of danger? Uncover explosive science kits, high-flying kite tubes, dangerous waterslides and more.

Explore the thrilling world of vintage daredevils, from the Human Fly to skateboarding speedsters and diving horses.

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.

Delve into the origins of sports that were once considered extreme. Games like football and baseball lacked the strict rules that govern them today.

Investigators find a new clue about the missing Malaysia Airlines flight that disappeared in 2014, and an astronaut spots something strange in the Sahara Desert.

An ominous shadow engulfs the Pacific Ocean and scientists have trouble explaining a strange lake that's shaped like a perfect circle.

A dagger sealed in King Tut's tomb for over 3,000 years is made of a possibly extraterrestrial metal. A huge swastika is found in the desert near Roswell.

It's a cold and wet day in Banning, as Laura tries to comfort the buyers with 'hot' cocoa and umbrellas.

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.

Arch-enemies drop their guard to team up against a new threat. Then, it's back to the future when Desert Dan risks it all on a tyre and a hunch.

Big money brings out fierce competition at a rare high-stakes RV auction, before the contents of a locker spill out at our bidders' feet.

Brandon and Lori uncover a vintage machine filled with risque photos, before our buyers lock horns over what could be priceless artwork.

Cash flies over a locker that reveals a high-ticket mystery item, before everyone digs deep to win an ATM - but will this be a major regret.

Rick makes a surreally good deal for a painting supposedly created by Rene Magritte - will this be the biggest pay day in Pawn Stars history.

Rick and Chum rack up points testing the merch at a pinball paradise, while Corey saddles up to an obscure piece of World War II history.

You're a Good Man, Chumlee Russell: When a seller brings in a WWF figurine, Chum looks to a higher authority. Plus, Rick takes a stab at a 19th-century knife pistol.

From a dog's space voyage to Arctic survival and time travel, these journeys are extraordinary and truly unbelievable.

A robber successfully snatches Einstein's brain, while a thief steals hundreds of dollars while wearing a Santa Claus costume and more.

Some discoveries are anything but ordinary, like severed feet on a beach, or finding evidence of a tiny otherworldly creature. Each is weirder than the last.

In 1934, Hitler's government is firmly in the saddle. Most Germans support Hitler's anti-Jewish policy and the regime's terror soon escalates.

At the end of 1939, the German Army invades Poland. Examine how Hitler succeeded in pushing through his rearmament and war plans relatively unhindered.

In the shadow of the war, the Nazi regime gradually advances its "final solution to the Jewish problem.

After Pearl Harbor Japanese forces sweep through Southeast Asia. On Guadalcanal, US Marines face a brutal fight to halt their relentless advance now.

As Hitler's power spreads across Europe, his hateful ideology drives persecution of Jewish people, leading to escalating violence and ultimately the Holocaust.

Secrets of popes, rewritten laws and cities lost to the waves - these divine discoveries shake our beliefs and uncover mysteries of truly epic proportions.

Showcasing bizarre and unconventional weapons, explore the incredible stories behind the most outlandish creations in warfare.

From night soil men cleaning excrement off the streets of Victorian London to professional mourners hired to weep at funerals, to the intrepid deer urine collectors.

Rick makes a surreally good deal for a painting supposedly created by Rene Magritte - will this be the biggest pay day in Pawn Stars history.

Rick and Chum rack up points testing the merch at a pinball paradise, while Corey saddles up to an obscure piece of World War II history.

Arch-enemies drop their guard to team up against a new threat. Then, it's back to the future when Desert Dan risks it all on a tyre and a hunch.

Big money brings out fierce competition at a rare high-stakes RV auction, before the contents of a locker spill out at our bidders' feet.

Brandon and Lori uncover a vintage machine filled with risque photos, before our buyers lock horns over what could be priceless artwork.

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.

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.

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.

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.

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.

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.

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.

Chum chases a lead on a 1963 Fiat Microcar. Meanwhile, Rick and Corey make a wager on a set of billiard balls and Rick examines the holy grail of coins.

Kumbaya: Darrell's pupil has a gothic graduation, and Kenny uncovers a new career opportunity.

I Learned It From Watching You!: Rene's daughter demonstrates her great eye, the Schulz-Passantes add to their outdoor options, and the Gambler meets the predators.

You Win Some, You Luge Some: Indio, California proves to be extremely interesting for Dave. Brandi and Jarrod find the ultimate stash, while Mary's locker misfires.

Mary bumps into some vintage art, Ivy adds to his stamp collection and Kenny once again faces his fears.

William Shatner examines some of the world's stunning displays of natural phenomena that are so spectacular - and strange - that they defy wisdom.

This episode uncovers hidden stories, from a nuclear blast to a secret bunker built to trap British spies during a Nazi invasion.

Dr Alice Roberts discovers what Britain was like before the Romans as she examines fascinating finds from the Bronze and Iron Ages.

Alice Roberts learns more about mankind's Stone Age ancestors, and travels to Jersey to meet a team hoping to shed new light on the Neanderthals.

Alice Roberts and Matt Williams present more outstanding archaeology. In the east of Britain, sites include Must Farm, Colchester, Oakington, Lyminge and Silchester.

Alice Roberts and Matt Williams visit the Dorset Country Museum, where they explore finds from archaeological digs across the west of Britain.

Robbie and Jersey uncover rare car parts, pristine toys and epic stories from the track through exclusive access to a former race car driver's stockpile.

Just one bladesmith can take home $10,000 as they forge a chopper in a Damascus pattern and recreate one of the most dangerous weapons of medieval times.

From missing World War II aircraft to a frozen lake filled with human remains, take a look through how and why humans have become frozen in time.

This episode uncovers hidden stories, from a nuclear blast to a secret bunker built to trap British spies during a Nazi invasion.

Three bizarre claims: Bigfoot in Florida, dinosaurs in suburban backyards and a goblin caught on a Kentucky security camera.

Circles of reindeer appear in the remote tundra of Sweden. Experts investigate if this strange event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster.