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Michael Portillo experiences first-hand Italy's 'need for speed' in a Maserati sports car, and discovers how the leaning tower of Pisa was rescued from near collapse.

Timothy West and Prunella Scales return to the Oxford Canal for a voyage through Cherwell Valley and recall their favourite waterway trips around the British Isles.

Timothy West and Prunella Scales embark on a journey into their pasts via the Leeds and Liverpool Canal, which celebrated its 200th anniversary in 2016.

Michael Palin looks back on the making of Pole to Pole, in which he travelled along a single line of longitude across the USSR, Africa and finally into Antarctica.

A locomotive needs a quick double bogie change to get back to the sugarcane harvest. Meanwhile, the heat is on for a tricky air conditioner replacement.

Will and Gus head to London to buy a '73 Mk 4 Spitfire. It seems solid, but how it fares on the road remains to be seen.

Will and Gus head to the West Country to buy a Golf GTI. Gus hates it on sight, but Will is smitten. They soon discover why the car is laid up - it has no engine.

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.

A fisherman is dragged lifeless out of the sea by bystanders and the lifeboat crew race to the beach to join the desperate attempts to resuscitate him.

Footage of wildlife inhabiting underwater kelp forests, including thousands of giant cuttlefish spawning in a rocky reef and tiger sharks hunting for green turtles in seagrass.

Footage of animals that live on the coast, including sea lions hunting for tuna, puffins bringing food back to their young, and a strange species of fish that hates water.

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.

The team cop for a 1965 Ford Cortina Estate, supposedly owned by a South African Chief of Police, and take on one of Dave's guilty pleasures: a 1980s Austin Morris Max.

Irv restores a 1970s Lamborghini Espada for a client in the Middle East. Hidden structural damage and spiralling engine issues threaten the entire project.

The team take on one of Derek's favourites - an Austin A35 - but its age ensures some hefty bills. To bank some cash, their second project is a quick flip - a 1999 BMW Z3.