During the closing stages of WWII, German pilots were motivated to destroy bombers by any means possible.

From piston-driven planes to high-performance jets like the F-86 Sabre and the F4 Phantom, discover how speed is the key advantage in an aerial dogfight.

Suggs and WW2 expert Stephen uncover more historical finds across the UK, this time looking for relics of the 1944 D-Day operation.

While Danny checks out a rare and mysterious Mercury, Horny Mike gets hold of his latest flip - a classic Harley Davidson.

Danny and the gang return for a sixth season of wicked customisations and classic restorations.

The constellation was a focus for ancient civilisations around the world. Researchers investigate if it might have been an entry point for alien life.

Blue and Mike examine what looks like an ancient axe. Dale inspects an artefact found in a storage locker which may be tied to a brutal practice used on slaves.

Four bladesmiths have to work without any electricity in an gruelling qualifier, before the two finalists must forge the legendary Scottish Claymore.

Danny and the gang return for a sixth season of wicked customisations and classic restorations.

Why do tombs across the world have so many similarities? Ancient astronaut theorists believe that some were designed with the help of extraterrestrials.

The guys meet a man who claims to have a bloodstained pistol once owned by outlaw Jesse James, and a farmer who thinks he has found proof of alien life.

After a first round besieged with setbacks, two bladesmiths go on to the finals to craft an Ancient Roman gladiator's scissor.

Danny and the gang are back with more tricked out rides and cool custom jobs.

For thousands of years, human civilisation has been guided by the words and deeds of ancient prophets, but who were these prophets communicating with?

The guys try to uncover why and how medieval scale armour was abandoned and later found in the Arizona desert.

The competing smiths must forge a weapon from an elevator cable, before two go on to recreate the African Ngombe Ngulu - an executioner's sword.

Mike gives all the guys drifter trikes on the condition that they customise and race them at the local track, but Kevin doesn't seem too keen.

The Nazca Lines are hundreds of gigantic lines that extend for miles throughout a remote Peruvian desert. Could the massive markings have an alien connection?

Blue meets a family who found a death mask that could be evidence of a murder, plus a mysterious object is found near the Oregon Trail.

Four bladesmiths have a wrench thrown into the works, literally, when they are asked to forge blades in their signature style from pipe wrenches. In the final round they must recreate an extremely rare axe-mace hybrid, known as the Tabar-Shishpar.

Danny acquires a '74 Ford F100 he can't wait to flip for a big profit. But The Count falls in love with the truck and decides he wants to keep it.

Researchers explain how alien encounters are not a modern phenomenon, and ask if there could be an alien agenda behind the abduction of humans.

Dale and Blue examine whether a letter hidden behind a picture frame is a lost piece of Abraham Lincoln correspondence.

Staying a step ahead will be the key to success as four competing bladesmiths are tasked with forging a bowie that will require a d-guard in the second round. But even after strategically calculating each move to set themselves up for a win, only two manage to make it through to the final round where they must recreate a deadly sabre called the Shamshir.

While combing through a mind-blowing collection, Mike stares down the headlights of a rare Ford and the guys pick a Tennessee home hiding a big secret.

One of the most tragic and shocking images ever broadcast to the American people, the Space Shuttle Challenger explosion left the United States in mourning. The loss of seven astronauts became more heartbreaking as we learned that the incident could have been avoided if protocols had been different. Hear the emotional recollections of the Challenger commander's wife, two astronauts who were involved in the launch preparation, an engineer for the rocket boosters that failed, and a reporter who thought this would be a routine workday, as they relive the controversial moments that lead to the most notorious day in NASA's history.

On October 26, 2017, the federal government released thousands of highly classified documents related to the assassination of President John F Kennedy. In this hour-long special, Bob Baer examines the most shocking documents as he reconciles discoveries he's previously made with the information found in these newly released archives. These files could hold the key to finally answering one of the most riveting mysteries of our time: did Lee Harvey Oswald act alone in the murder of JFK?

Suggs and Stephen are back on the hunt for more relics from World War 2, and hope searching the site of a bomb factory won't yield anything too explosive.