Quest HD Sunday

Justin Cunningham uncovers the truth behind a landslide that destroyed a ski-jump resort in Turkey, then heads to Gibraltar to see an airport runway that was built across a road

Justin Cunningham heads to the Walkie Talkie building in London to learn more about the science behind a skyscraper melting a car

Max McMurdo and Simon O'Brien are in Woking, Surrey, where they find a sidecar - to be transformed into a boat - and a water cylinder that Simon might make into a trendy lamp

Max McMurdo and Simon O'Brien are in Woking, Surrey, where they find a sidecar - to be transformed into a boat - and a water cylinder that Simon might make into a trendy lamp

In Surrey, Simon O'Brien and Henry Cole unearth some classic Danish furniture and make an unexpected profit for its owner

Simon O'Brien and Max McMurdo head to Worcestershire where Max transforms old air tanks into a sports car, while Simon makes a trendy bar bench out of old barrels

Jacqui Joseph restores six chairs, and gives a broken wall clock to upcycler Tristan Merriam and a collection of drawers to carpenter Tibby Singh, hoping they can all turn a profit

Sarah Moore scours boots full of rubbish in Buckinghamshire, picking out an oak storage cabinet, three wooden bar stools and a collection of geo boards

Jacqui Joseph swoops in on an old ottoman, some rusty garden gates and unwanted printer's trays, hoping to turn them into profit-makers

A charity needs cash to feed rescued animals, so Angus tries to help them raise a sizable sum. A widow discovers her late husband's collection is worth a fortune

A couple of Sherlock Holmes fans sell silverware, costumes and books after a flood hit their home. Plus, will army swords score big at auction?

Angus sells a huge collection of unearthed Victorian bottles and vintage tins before finding a valuable haul of miners' strike memorabilia

Johnny must buy wisely at a high-end Harrogate trade fair. With the lease on the pop-up shop ending, Johnny and Bev ponder their future in the trade

Action from stage nine of the Grand Tour race, which consists of a 195.5km route from Alfaro towards an uphill finish at the ski resort of Valdezcaray

On the road buying with Viki, Drew finds an extraordinary scratch-built model in Suffolk. In Kent, he snaps up a stunning garden statue of Mr Punch

Angus Ashworth takes a trip back in time when he visits a home that is dressed like a Victorian townhouse. Later, he helps a mother and daughter with an emotional task

Angus discovers a mysterious 17th century artwork in Scotland. Then, he heads to Peterborough to help clear the home of a keen model maker

Angus takes a trip down memory lane as two cherished childhood collections go under his gavel. For one customer, it proves to be a very emotional time

In Italy, a towering bridge collapses. In Connecticut, tragedy strikes a construction site. A bridge fails mid-construction in Canada's capital

Landing without power, running out of fuel or birds flying into the engine are all a test of pilot skill and nerve. This instalment looks at how pilots cope with emergency landings

A tornado smashes into 40 houses, a massive explosion occurs at a propane plant, a truck crashes into a bridge resulting in a collapse, and a drag boat crashes

Footage of a train accident that led to huge explosions, a wall collapsing on top of firefighters, planes colliding on an aircraft carrier, a race-car crash and a sinking pier

Footage of a tornado's destruction of a town, the collapse of a motorway, and crashes involving racing cars, planes and boats

Clips of a fire at a chemical plant, a racing driver trapped in a burning car, a pilot tipped from a hot air balloon during a show, a train derailment and a stunt jump gone awry

More everyday items go under the microscope, revealing their production. How are objects including air hockey tables made?

More everyday items go under the microscope, revealing their production. How are objects such as dry erase boards and air rifles made?

Buying goods from home

Buying goods from home

Henry Cole and Simon O'Brien visit Cheshire and Wirral, where items include a 1920s dancehall lighting system, an antique butter churn and an old enamel advertising sign