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

Mazda MX5 / Moto Guzzi V50: The team opt to buy one of the most affordable sports cars on the road - the Mazda MX-5.

VW T25 / Audi TT Quattro: The team pay over the odds for a VW Campervan, but can they hope to break even when they turn out a lovely bus for auction.

A 1969 Morris Mini Cooper MkII is totally restored by specialists. They give it the full works, which means only one thing... any chance of profit heads towards an open window.

The Restoring Classics team set out on a Pre-War challenge with a 1939 three wheeled Morgan F4 - and aptly named Russ Storer from MG Mecca is still keen to take it on.

Shopping from Home.

Michael Portillo visits Yosemite National Park in California, beholding its granite cliffs, sequoia trees and waterfalls.

In the port of Monterey, Michael Portillo discovers the city's Spanish and Mexican heritage.

During a cold snap Robbie Cumming gets iced in on the Grand Union Canal. Later, his parents pay a visit and help him through Marsworth Locks.

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.

Paul and Suki take a tandem ride through the ancient woodland in the idyllic New Forest and encounter wild ponies before taking in beekeeping and archery.

famous for its spectacular coastline, pristine beaches, cream teas and two national parks - and go on a Sherlock Holmes-inspired tour in Dartmoor.

Marine life around the world, from dolphins and tusk fish in a tropical coral reef to walruses struggling to cope with the impact of climate change on the polar north.

Creatures that live in volcanic hot spots on the ocean bed, areas that reach temperatures hot enough to melt lead and which may hold the secrets behind all life on Earth.

Creatures that live on coral reefs, including groupers, predators with a grasp of communication that has led scientists to conclude they're as intelligent as chimpanzees.

Wildlife that live thousands of kilometres from land, featuring footage of baby turtles using debris as life rafts and sperm whales hunting for squid deep beneath the surface.

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 impact of humans on aquatic wildlife, from albatrosses unwittingly feeding their offspring plastic to communications between animals disrupted by noise.

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

Irv takes on the restoration of an Escort RS1600i from an owner who had to give it up due to ill health, but it turns out to be a much bigger job than he imagined.

Derek's winging his way to Bingley to meet a kindred spirit who's parting with his TR7 after 32 years. Paul and Charlie head to Anglesey to collect a pair of L.

Derek auctions off a Jensen Interceptor and a Jensen Healey along with a one-off Wood & Pickett Triumph Dolomite Sprint.

Rover 2000 SC / Triumph Spitfire: A 1971 Mercedes SL and a 1989 Jaguar XJS emerge from a chicken farm barn, a Roller and a Rover go under the hammer, and a 1966 Triumph Spitfire is restored.

Derek takes a shine to a rare 1958 Armstrong Siddeley Sapphire with a long family history and a convertible Triumph Herald brings a few smiles on auction day.

An Aston Martin DB6 in need of total restoration looks set to break the Mathewsons auction record and news of a rare Vincent motorbike arriving causes a stir.

Shopping from Home.

Michael Portillo discovers the secrets of backyard oil drilling in Los Angeles and joins the locals for Mexican Independence Day.

Michael Portillo visits Massachusetts General Hospital in Boston, learning how surgery was first made bearable in 1846 by a miraculous new substance.

Vauxhall Victor FB / Volvo Amazon VB: Derek picks up a five-vehicle haul from a collector who can no longer look after his motors, and Paul collects a rare 1972 Lancia Fulvia Berlina.

Derek casts his eye over a Citroen 2CV, before he is off admiring the treasure trove of more than 270 motorbikes in the same garage.

The role played by engineering giant Vickers during the Second World War, including the development of the Spitfire and how the Royal Navy recovered from losing so many warships.

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 team returns to Helmingham Hall in Suffolk, a Tudor manor house where finds include a historic document signed by Elizabeth I and an extravagant brooch from Sweden.

Fiona Bruce presents from Newcastle's Civic Centre, where artefacts to be valued include an impressive crossbow and a collection of plans for RMS Mauretania.

On the way to pick up two lovely '70s Lotus sports cars, Derek takes to the skies for his first ever helicopter flight in a 1967 Bell 47 chopper.

Dave's drawn to a Fiat Uno 45 in '1970's beige', with 36,000 miles on the clock.

The role played by engineering giant Vickers during the Second World War, including the development of the Spitfire and how the Royal Navy recovered from losing so many warships.

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 team returns to Helmingham Hall in Suffolk, a Tudor manor house where finds include a historic document signed by Elizabeth I and an extravagant brooch from Sweden.

The second leg of Simon Reeve's journey around the Caribbean Sea takes him from the beautiful island of Barbados to St Vincent and the Grenadines, Venezuela and Colombia.

Simon Reeve voyages across the Coral Triangle in the south-western Pacific, surrounded by the Philippines, Malaysia and Indonesia.

The adventurer travels from the south of Kenya to the Horn of Africa, along the way joining a Ugandan peace-keeping force in Mogadishu, the capital of war-torn Somalia.

On the way to pick up two lovely '70s Lotus sports cars, Derek takes to the skies for his first ever helicopter flight in a 1967 Bell 47 chopper.