U and YESTERDAY+1

Michael Portillo travels from the Athens port of Piraeus, north to the city of Thessaloniki, exploring the Acropolis and sampling moussaka and baklava.

Michael Portillo goes deep into the Black Forest, and he discovers how Germany's reputation for making quality goods was established.

Tim and Pru embark on an epic journey along Canada's Rideau Canal - a World Heritage Site - from the backwoods of Ontario to the nation's capital of Ottawa.

Michael Portillo makes the spectacular ascent by train to Europe's highest station.

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

Robbie's narrowboat gets a makeover before he explores the River Thames, he moors in Abingdon and tackles an emergency DIY repair to fix a leak.

Martin heads to the lush and tropical islands of Hawaii for a look beyond its image as a tourist paradise, and into the havoc wreaked by advancing lava fields and smoking craters.

Starting at Washington's San Juan Islands, Martin heads to California's Channel Islands. He crosses 2,000 miles to Avery Island, witnessing Louisiana's disappearing coastal communities.

Simon recalls some of the most dangerous experiences of his travels, from coming under fire in war-torn Mogadishu to squaring off with a female wrestler in Mexico City.

Simon looks back on wildlife stories he has discovered, from a giant tortoise sanctuary in the Seychelles to armed conservationists defending a forest in Belize.

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

Robbie's narrowboat gets a makeover before he explores the River Thames, he moors in Abingdon and tackles an emergency DIY repair to fix a leak.

Robbie visits a former Beatle's home in Henley, uncovers horror history in Marlow and struggles to find a mooring in Maidenhead on the River Thames.

While exploring the Wey and Godalming Navigations, Robbie gets caught in a storm and falls off his narrowboat. He also uncovers rock history in Guildford.

Sheldon and Peter search for the Ford Capri Mark 1 that is client Brian's teenage dream, and attempt to bring its performance roaring into the twenty-first century.

The team snap up one of the most popular cars in the Eastern Bloc: a 1969 Sachsenring Trabant. Plus, can they say bonjour to a profit with a 1990 Renault 5 Monaco.

The guys buy a confusing 1984 French Matra Murena and send it to Citroen specialists. Next, they take on a Bond classic - no, not that one - a 1977 Arctic Wetbike.