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Tim Dunn explores Wingfield, one of the oldest surviving railways and uncovers the longest brick viaduct in the UK, the Welland Viaduct in Northamptonshire.

Tim Dunn takes to the tracks in Newcastle to explore a city rich in railway architecture. He also looks at two recording breaking structures in Scotland.

Three rare Alvises get the auction buyers going. A Chevy Corvette which started its journey in Saudi Arabia makes its way to Thornton le Dale.

Dave gets a nasty surprise when he opens the bonnet of a fast Ford, and an Austin Heavy 12 nearly a century old sets off a bidding war at the auction.

At the end of March 1945, with Germany's Army depleted and Hitler's circle of trust shrinking, he invites a group of Hitler Youth to the Reich Chancellery.

The final death throes of the Third Reich described by Laurence Olivier. Hitler retreats to his bunker as Germany crumbles around him and Allied troops arrive in Berlin.

Fiona Bruce presents from Broughton Castle, near Banbury, Oxfordshire, where finds include a book of police mug shots, a Victorian baby bouncer and a musical penknife.

Fiona Bruce presents from Durham Cathedral, where finds include a carriage clock, an early drawing by Laura Knight, and a 19th-century missionary's medical kit.

Derek travels to the Yorkshire coast to pick up a 1963 Austin J2 Paralanian campervan described as the Rolls Royce of campervans.

Derek heads to Sunderland to pick up a real Italian beauty - a 1972 Lancia Fulvia Zagato. Red and racy, the car has seen better days but he's still impressed.

At the end of March 1945, with Germany's Army depleted and Hitler's circle of trust shrinking, he invites a group of Hitler Youth to the Reich Chancellery.

The final death throes of the Third Reich described by Laurence Olivier. Hitler retreats to his bunker as Germany crumbles around him and Allied troops arrive in Berlin.

Fiona Bruce presents from Broughton Castle, near Banbury, Oxfordshire, where finds include a book of police mug shots, a Victorian baby bouncer and a musical penknife.

From ice-covered seas to snow-capped mountains, mammals have conquered the cold, living in the harshest places on earth thanks to their intelligence and adaptations.

Hillman Avenger/Messerschmitt three-wheeler/Suzuki Sandbike/Alfa Romeo GTV6/Reliant Robin: Derek travels to Southwold to pick up a Hillman Avenger. Dave collects a sought-after Alfa Romeo.

Taxi driver Tim wants a Mercedes W123, but Sheldon and Will may have bitten off more than they can chew with a replacement clutch and shonky gear selector.

Derek travels to the Yorkshire coast to pick up a 1963 Austin J2 Paralanian campervan described as the Rolls Royce of campervans.

Derek heads to Sunderland to pick up a real Italian beauty - a 1972 Lancia Fulvia Zagato. Red and racy, the car has seen better days but he's still impressed.

Three rare Alvises get the auction buyers going. A Chevy Corvette which started its journey in Saudi Arabia makes its way to Thornton le Dale.

Henry Cole calls in a locksmith to bring a safe back from the scrapheap, and a ship's wheel is left in splinters when the presenter falls out with restorer Guy.

Tim Dunn explores Wingfield, one of the oldest surviving railways and uncovers the longest brick viaduct in the UK, the Welland Viaduct in Northamptonshire.

Shopping from Home.

Tim Dunn explores Brunel's first and last railway projects and looks at a Scottish station with a royal connection.

Tim Dunn uncovers the secrets above, below and inside London's Charing Cross Station. He also looks at the modern wonder of the Ordsall Chord in Manchester.

Derek, with help from the Mathewsons, drags a mini pickup out of the barn where it's been for 20 years, and a 350cc Douglas Mark V motorbike goes under the hammer.

Four VW camper vans pitch up at the auction house looking for a new home and Derek picks up an Austin 16 that - goes like stink and has modern modifications.

Most of Germany is occupied by invading Allied forces by April 1945, with a strong Soviet army now just a mile from Hitler's hiding place.

Japan's involvement in World War II is the focus of this watershed in documentary-making. Narrated by the great Laurence Olivier, incredible interviews also help set the scene.

Fiona Bruce presents from the Royal William Yard in Plymouth where eyes are cast over Lord Nelson's doorknobs, and a diamond necklace the length of a skipping rope.

Fiona Bruce presents from the Royal William Yard in Plymouth, where finds include a flask of naval rum and a ceremonial wooden spoon from Cambridge University.

Up for sale at the Mathewson's auction is a 1275 Mini GT that's come from just down the road and could be a future British icon.

Derek goes to pick up a veteran 1904 Swift, there's an emotional farewell to a 1980s Bedford HA van, and a Toyota Corona finds a new home.

Most of Germany is occupied by invading Allied forces by April 1945, with a strong Soviet army now just a mile from Hitler's hiding place.

Japan's involvement in World War II is the focus of this watershed in documentary-making. Narrated by the great Laurence Olivier, incredible interviews also help set the scene.

Fiona Bruce presents from the Royal William Yard in Plymouth where eyes are cast over Lord Nelson's doorknobs, and a diamond necklace the length of a skipping rope.

David Attenborough reveals the ways mammals survive the hottest places on earth, from camels storing water in humps to sijaka lemurs hugging trees.

Robbie navigates the wintery Grand Union Canal while preparing for Christmas and narrowly avoids flooding his boat in a tricky staircase lock.

Robbie Cumming journeys through Royal Leamington Spa and the historic town of Warwick with its medieval castle.

Up for sale at the Mathewson's auction is a 1275 Mini GT that's come from just down the road and could be a future British icon.