DEVON AND CORNWALL

8PM, CH4

Here’s a new, fifth series celebrating the neighbouring counties of Devon and Cornwall and the people who live and work there. Meet the farmers looking to produce Cornwall’s first sunflower cooking oil – if weather permits – and follow a traditional boat-builder as he works on a brand-new Cornish gig (above), a rowing boat specifically designed for choppy Cornish waters. The full series will be available on All 4 after this episode airs.

WORLD’S MOST SCENIC RAILWAY JOURNEYS

8PM, CH5

Taking in some truly spectacular scenery, the sleek and aptly named Pacific Surfliner (below) glides along the Californian coast from the Mexican border, north to the city of San Luis Obispo. Bill Nighy is again our guide as the train passes through Carlsbad, a town that grew from a trackside snack bar, and on to the surf-friendly beach at

San Clemente – a favourite of former US President Richard Nixon.