U and YESTERDAY+1

The underground base with the power to destroy a nation, the site linked with an attempt to kill a dictator, and an ancient world discovered in the American wilderness.

Claustrophobic prison cells that contain a story worthy of international acclaim, and a vast mountainside complex that held the power to change the world.

Michael Portillo travels down the spine of Italy from Rome to Sicily, along the way visiting Naples to find out about the country's first railway.

Michael Portillo uses his 1913 copy of Bradshaw's Continental Railway Guide to explore Poland, visiting Warsaw, Lodz, Poznan, Wroclaw and Krakow along the way.

Timothy West and Prunella Scales travel along the Forth and Clyde Canal and the Union Canal in a coast-to-coast adventure from Edinburgh to Glasgow.

Timothy West and Prunella Scales travel down the Stratford-upon-Avon Canal, revisiting places from the early stages of their relationship and acting careers.

Robbie takes a detour to investigate a local UFO legend in Todmorden, and the UK's deepest canal lock springs a leak, causing trouble for the Naughty Lass.

Robbie Cumming navigates the scenic Oxford Canal onboard Naughty Lass, explores its twists and turns, and helps tow a stranded broken-down boater.

Robbie navigates the Oxford Canal, bumps into a hire boat and a hedge and tackles large river locks on the scenic Upper River Thames.

On the 100th anniversary of the Russian Revolution, Simon Reeve embarks on a journey from the snow-capped volcanoes of Kamchatka and Yakutia to the port of Vladivostok and on to Siberia.

Simon's journey leads him to a commemoration of the Second World War in the city of Irkutsk, and he meets a Siberian community who worship a man claiming to be the reincarnation of Christ.

After King Harold's brother Tostig attacks the south coast, another enemy strikes when a Viking force lands in the north. Harold must fight for his kingdom - and life.

After months trapped in a port in France, Duke William leads his invasion fleet across the Channel - but King Harold is 300 miles away, having defeated the Vikings.

Michael travels to India to uncover how the British East India Company - the world's first multinational corporation - raised a private army to create an empire.

Aston Martin DB6/BMW 2002/Land Rover/Citroen Avant/Lamborghini Gallardo/Jeep: Derek picks up three classics, including a sought-after BMW 2002, from a grand aristocratic estate.

Paul heads to County Durham for a 1936 Singer Le Mans sports car and a 1957, one-owner Lambretta LD 150, while Derek gets his hands on a 1962 MGA MK2 Coupe.

Robbie takes a detour to investigate a local UFO legend in Todmorden, and the UK's deepest canal lock springs a leak, causing trouble for the Naughty Lass.

Robbie Cumming navigates the scenic Oxford Canal onboard Naughty Lass, explores its twists and turns, and helps tow a stranded broken-down boater.

Robbie navigates the Oxford Canal, bumps into a hire boat and a hedge and tackles large river locks on the scenic Upper River Thames.

Gus has his eye on a Citroen XM that looks amazing - but it's in France. Will isn't sure, but the engineering challenges win him over.

The underground base with the power to destroy a nation, the site linked with an attempt to kill a dictator, and an ancient world discovered in the American wilderness.

Shopping from Home.

A secretive underground base that concealed the power to destroy nations, and a sprawling industrial relic clinging to the edge of an unforgiving waterfall.

A marooned ironclad structure off the coast of England that hides a dramatic story of war and resilience, and a facility in America that helped tear apart a nation.

The team's first purchase is a 1972 VW Fastback, and the second project sees them pick up a 40-year-old police bike.

The Bangers team can't believe their luck when a 1970s family-favourite, a Volvo 144, rolls through Mathewson with just 15,000 miles on the clock.

A Secret to Win the War: In 1942, a mysterious technology is facilitating a deadly Blitz. Desperate for answers, British intelligence sets its sights on an installation in Bruneval, France.

Laurence Olivier narrates this exhaustive account of World War II. In the deserts of North Africa, the 8th Army battles against Rommel's Afrika Korps.

The team visits the Roundhouse, Derby, where items include a picture by a renowned British artist and a silver christening cup with a surprising history.

Fiona Bruce visits Chenies Manor, near Amersham in Buckinghamshire, where items include a painting by one of Britain's first modern artists and a Star Wars helmet.

Derek is reunited with the vehicle he took his driving test in - a 1957 Ford 100E Estate. Dave is also on the trail for an Escort, this time a 1970s Mk1 twin cam.

Derek's search for the unusual lands him a 1947 Lea Francis that's half-made of wood. Paul heads for the countryside to pick up a Morris one tonne truck.

A Secret to Win the War: In 1942, a mysterious technology is facilitating a deadly Blitz. Desperate for answers, British intelligence sets its sights on an installation in Bruneval, France.

Laurence Olivier narrates this exhaustive account of World War II. In the deserts of North Africa, the 8th Army battles against Rommel's Afrika Korps.

The team visits the Roundhouse, Derby, where items include a picture by a renowned British artist and a silver christening cup with a surprising history.

Stunning film sequences and unusual life-forms abound in Sir David Attenborough's natural history of the oceans, which covers the fragile ecosystems of the coral reefs.

Robbie crosses an epic aqueduct near Stratford-upon-Avon and gets stuck in a lock in central Birmingham.

Robbie Cumming begins a new 170-mile journey across the north of England but soon runs into difficulty with a problem with his craft's propeller in Wigan.

Robbie Cumming crosses the Pennines on the picturesque Leeds and Liverpool Canal before lending a hand to hire boaters in Gargrave in North Yorkshire.

Robbie Cumming explores a Victorian village in West Yorkshire, moors up in Leeds Dock, and goes in search of an abandoned Aire and Calder Navigation waterway.

Derek is reunited with the vehicle he took his driving test in - a 1957 Ford 100E Estate. Dave is also on the trail for an Escort, this time a 1970s Mk1 twin cam.