U and YESTERDAY

A summer heatwave threatens to bring the railway to a halt as the iconic steam engines are prevented from running through a tinder-dry national park.

A beautiful looking sports car has been fooling the punters and intriguing Derek. It's a Challenger E-Type - a fibreglass replica created from an E-Type mould.

Paul and Jack head to Staffordshire to pick up five vehicles from collector Rob's colossal barn, including a Mini and a Morris Minor.

The first day of the Somme Offensive was the blackest day in the British Army's history. The shocking numbers are revealed as the war retrospective revisits 1916.

The Red Army develops strength and Hitler's Spring Offensive is stopped at Stalingrad; and in the largest ghetto the inhabitants' fight back in the Warsaw Uprising.

The team arrives at the National Maritime Museum Cornwall in Falmouth, where objects include a diamond and gold ring with a grim history.

A second visit to the National Maritime Museum Cornwall. Items include early medical instruments.

The team fly the flag for King and country with one of their most luxurious purchases to date - a 1981 Rolls Royce Silver Spirit.

VW Beetle / Royal Enfield Cycar: The team think they can smell profit by choosing one of the simplest cars ever built, the VW Beetle.

The first day of the Somme Offensive was the blackest day in the British Army's history. The shocking numbers are revealed as the war retrospective revisits 1916.

The Red Army develops strength and Hitler's Spring Offensive is stopped at Stalingrad; and in the largest ghetto the inhabitants' fight back in the Warsaw Uprising.

The experts visit Aberystwyth in west Wales, where finds include a painting that may be by an important Welsh artist.

Robbie returns to where his boating life began, exploring London's canals on Naughty Lass. He travels through Little Venice and moors in Paddington Basin.

Exploring a Dover stronghold transformed during an unprecedented crisis, and a top-secret site in Japan used for wartime missions of no return.

The team faces a tough challenge - boring beneath Sydney's 230-year-old CBD. At Pitt Street Station, eight buildings are demolished, including a 14-storey tower.

The team fly the flag for King and country with one of their most luxurious purchases to date - a 1981 Rolls Royce Silver Spirit.

A beautiful looking sports car has been fooling the punters and intriguing Derek. It's a Challenger E-Type - a fibreglass replica created from an E-Type mould.