Quest Sunday

Justin Cunningham goes inside an offshore wind turbine to find out how a fault that could cause the structures to fall into the North Sea is being fixed by engineers

Justin Cunningham heads to Louisiana to investigate gigantic potholes, before going to London to get a sneak preview of the vast Crossrail project

Simon O'Brien and Max McMurdo head to Herefordshire to pick through a 70-year-old collection, and find a crate of vintage motor oil bottles that could be worth a small fortune

In Redditch, Henry Cole restores a 1970s Kawasaki motorbike, and Simon O'Brien turns a pair of rusty cinema seat supports into a garden bench

Henry Cole and Simon O'Brien head to Worcestershire to meet mechanic Adrian. Simon restores an old, wrecked armchair into some punk-rock furniture

Simon O'Brien and Henry Cole visit Witney in Oxfordshire, where Henry comes across a tractor that has not run for quite a few years - but poses no problem for restorer Alan

Angus helps a daughter sell her late father's CB radios. And after losing their partners, he helps a new couple start their next chapter together

Coverage of the final day of the eighth round of the campaign, which comes from Donington Park

A hunt for lost gold in a Glasgow flat proves a challenge for Angus. He also helps a widow with an emotional downsize

Action from stage 15 of the Grand Tour race, a 167.8km route from Vegadeo to Monforte de Lemos

Drew Pritchard and Alister Dryburgh visit three promising new antique trade contacts who they've been tipped off about.

Angus attempts to find new homes for the beloved belongings of a departed father. Then, he helps a widow clear her late-husband's collection

Angus finds thousands of comics that's one man's obsession, but his wife wants them gone. A man's poor health forces him to give up his passion for timepieces

For the first time at the auction house, Angus puts a gold disc under the gavel, before selling off memorabilia from a former Ryder Cup referee

In Kentucky, Corvettes fall into a pit. In Australia, a disaster occurs during the construction of a huge bridge. What caused these catastrophes?

A deadly force in the Sierra Nevada mountains has claimed countless lives. This edition examines what makes this particular area so dangerous for people travelling by air

Rain causes two race cars to collide, a blaze breaks out at a fireworks stand, a truck accident collapses a motorway and a raceboat disintegrates at 240mph

A tornado tears through a town, an electrical short causes an explosion in a warehouse and a racing car crashes through a barrier, flips and bursts into flames

A drag boat disintegrates while travelling at 180mph, a huge explosion rips through the roof of a dormitory and a sprint car crashes at 120mph

A fuel transfer causes multiple explosions, a base jumper is swept into a raging waterfall and a man is saved from drowning after his helicopter crashes into water

How the design and manufacturing processes used in the making of contact lenses, bread and foil have evolved over the years

Designers and craftsmen reveal how CDs, tights and mozzarella cheese are produced, charting the changes in their manufacture due to technological progress

Buying goods from home

Buying goods from home

Henry Cole makes good money restoring an antique pine sideboard in Sheffield, but has less success with a pair of old brass jugs, while Simon converts a staircase into shelves