Quest Sunday

Former aerospace engineer Justin Cunningham and Tomo Umewaka find solutions for engineering mistakes. In this episode Justin tries to keep the Glasgow Tower turning

Justin Cunningham climbs on top of a stadium roof that is held up by air and in danger of collapse, while Jimena Gascon discovers why Mexico City's Metro project has been derailed

In Wales, Henry Cole converts a Royal Enfield motorbike into a classic cafe racer and Simon O'Brien gets an 1980s pinball machine back to its best

In Herefordshire and Worcestershire. Henry Cole makes a table from the base of a broken agricultural grain mill and Simon O'Brien creates a garden seat from an old mangle

Simon O'Brien converts a lantern into a stylish table and Henry Cole changes a fire extinguisher into a steampunk lamp as the pair visit a private railway

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

In Somerset, Sarah Moore explores Keynsham Recycling Centre, picking out a cast iron mangle, a much-cherished chair and a metal bed frame to repurpose

Sarah Moore is at Wallyford Recycling Centre in East Lothian. Items saved from the scrapheap include an Edwardian chair, a drop leaf table and a collection of woollen blankets

Sarah Moore rescues faded curtains, a 1950s chest of drawers and a storage larder from the tip, enlisting bag-maker Rosanna Gethin and artist Zoe Murphy to help transform them

Angus uncovers a loft stashed with bizarre but highly valuable collectables. Plus, a set of rare stamps deliver a big cash windfall at auction

Angus receives a call from two sisters desperate to find new homes for their late father's incredible collection of circus memorabilia

A customer needs help to thin out the items inherited from her father. Plus, two brothers learn the worth of their late father's eclectic hoard

Johnny attempts to salvage parts from a classic RAF plane to make into furniture. Plus, Johnny and Bev visit an old cinema packed full of antiques

Action from stage two of the Grand Tour race, which consisted of a 157km route from Alba to Limone Piemonte in Italy

Drew takes Al on a tour of trusted contacts, finding classic signage in a Kent railway shed, and an African colonial table at a Sussex antiques shop

Angus helps to clear a warehouse filled with collectables to fund a luxury holiday. Plus, a pensioner sells his huge model railway

Angus clears a widow's home and uncovers her husband's collection of radio equipment, but it's part a Lancaster Bomber that excites bidders

Angus Ashworth helps two NHS workers sell 30 years' worth of collectables in Oxford. Later, he discovers over 200 crane replicas

Around the world there are extraordinary building mistakes. Design teams and experts analyse what went wrong and how engineers are fixing them

A look at the events of December 1985 when a plane crashed in Canada less than one mile after take-off. All 256 passengers onboard died

A racing car slams into a wall at 100mph, homes are destroyed by 260mph winds, a 70-year-old pilot crashes his plane, and a van collides with a police car

How a freight train smashed into an articulated lorry, the collapse of a four-storey building, a motorcycle crash, and the collision of a house and a bridge during floods

Footage of train crash explosions, storm chasers who narrowly escape death, a window platform smashing into a building, cars and trucks colliding and a helicopter accident

Footage of firefighters caught up in an explosion, missile warheads exploding in a tunnel, an avalanche burying a city, and a racing car snapping in two at 310mph

Another selection of everyday items are deconstructed, including cactus pear puree and lab reactors

The manufacturing processes behind the creation of commonplace items such as digital paintings and badminton rackets are detailed

Buying goods from home

Buying goods from home

Henry Cole and Simon O'Brien head to Newark, where items include an antique European threshing board and a ship's porthole