QUEST+1

In Pennsylvania, a vital bridge collapses to the ground. In Australia, tragedy strikes a packed commuter train heading into Sydney.

Duane and the team search for new access points to the underground cavern system. But something lurking in the darkness forces everyone to re-evaluate their safety.

The team discovers mysterious ancient markings on a cliffside, and a mining shaft dug deep into the mountain that could lead them right to the gold.

After five planes vanish in the Bermuda Triangle, science points to a strange geological force. And, satellites reveal lost tribes in the Amazon.

The Roanoke colony vanished without a trace, and centuries later, it remains one of history's greatest unsolved mysteries. Can new evidence reveal its fate.

More everyday items go under the microscope, revealing their production processes. How are objects including dumplings and brass faucets made.

More everyday items go under the microscope, revealing their unique production processes. How are objects including saxophones made.

Find out how horse bits, oat cereal, turquoise jewellery, and Electric Scooters are made.

Find out how nail nippers, jade putters, ice cider, and water skis are made.

In Lincolnshire, Henry and Simon unearth more treasures to restore. They pick up an animal's hutch, a model ship, a motorbike, and an oil dispenser.

In Glastonbury, Henry and Simon search for quirky treasures. They salvage a set of traffic light lenses, antique roof tiles, and a wood burner.

In Somerset, Simon and Henry visit an animal sanctuary to rummage for junk. They pick up a guinea pig hutch, wicker furniture, and a heat lamp.

Anita Manning and Raj Bisram travel around East Anglia hunting for treasures. They start of their trip in Beeston, Norfolk.

Anita Manning and Raj Bisram travel around Essex hunting for treasures. Anita tries to overtake Raj as they head to an auction in Stansted Mountfitchet.

Anita Manning and Raj Bisram continue their hunt for treasures. They take in the delights of Suffolk, Kent and Surrey before heading back to Essex for their third auction.

Anita Manning and Raj Bisram hit the road for the penultimate time. Anita chases after an eastern deity figure that she hopes will attract big bids.

On the final leg of the trip Anita Manning and Raj Bisram are back on home soil in Kent. Anita heads over to Canterbury to find out the story behind the murder of Thomas Beckett.

Bicycle restorer Tim is challenged with fixing a beloved tricycle. Meanwhile, jewellery restorer Richard revives a cherished bracelet.

Goldsmith Richard restores two precocious pieces of jewellery, a wedding and an engagement ring. Restorer Jeff works on a penny slot machine.

Leather expert Susie restores a fire helmet from the 1970s. Plus, luthier Julian and musician Will work together on an electric guitar.

Angus helps a roofer-turned-artist sell his sculptures for a small fortune. Plus, a woman is auctioning off her inherited clock collection.

Hi Ho Silver Away! Unique Ottoman silver, piles of German silver, a Chinese silver tea set, and a designer silver pendant, sell for incredible sums under Irita's gavel.

Irita helps a woman reluctant to part with her late parent's incredible antique collection, before getting a big surprise in a small bungalow.

Mechanical expert Mark restores a beloved toy race car. Woodworker Will revives a cherished puzzle box. Julie and Amanda repair a teddy bear.

A retired footballer brings in the signed program from a game he played in against Pele. Plus, the experts restore a musician's first guitar.

Bicycle restorer Tim is challenged with fixing a beloved tricycle. Meanwhile, jewellery restorer Richard revives a cherished bracelet.