Weatherman Derek Brockway strips down to basics as he crosses a nudist beach in Gwynedd. Luckily he’s got a beach ball to spare his blushes! On this walk along one of Wales’s most popular coastlines from Harlech to Barmouth, Derek also rolls a cheese down the world’s steepest hill. He learns about the ‘Devil in the Shawl’ when he visits an old village chapel; nearly gets caught out on a tidal causeway; and meets a team of women who give up their free time to keep the beaches clean and safe for wildlife.

Derek turns Pied Piper as he launches a walk of 800 children marking the anniversary of ‘People Power’ that saved a stretch of the Loughor Estuary for families to enjoy. On this Carmarthenshire coastal walk from Pwll to Kidwelly, the weatherman also discovers a former munitions factory that employed 6,000 people, has a spin in a racing car and learns the story of Wales’s feisty warrior princess Gwenllian.

Weatherman Derek Brockway joins the surf dudes when he visits St Bride’s Bay, Pembrokeshire… but he still needs a bit more practice. On his walk from Little Haven to Solva, he also learns about a UFO sighting that stunned the world, brushes up on his life-saving skills, helps a local artist create a giant mural and is blown away by the stunning scenery.

Derek Brockway visits north Wales and goes into hiding, only to be tracked down by a pair of search and rescue dogs. This walk also has him heading to the hills on a coastal route hundreds of feet up a mountain, trying his hand at golf and learning how a top secret operation near Conwy played a major part in winning the Second World War. His walk takes him from the village of Abergwyngregyn to the quay at Conwy.

It’s a walk down memory lane for weatherman Derek Brockway as he climbs the Nash Point lighthouse he used to visit as a child. Derek’s coastal walk takes him along Glamorgan's Jurassic coastline. On the way, he goes fossil hunting, searches for an elusive chough and learns the story of a pregnancy-testing frog. He begins his walk at St Donat’s Castle, once owned by newspaper magnate Sir Randolph Hearst, which became a party palace for the rich and famous.

Derek, the Weatherman, is in fine voice when he kicks off his walk in Cardigan, home of the first Eisteddfod. After visiting the castle, lovingly restored by locals, he learns about the dying ‘art’ of Seine net fishing before climbing the famous mount at Mwnt. He also gets to feed an alpaca and take tea with the WI at his final destination, Aberporth – where he meets a fellow meteorologist, 98-year-old Jean.

This walk is one for nature lovers. Derek Brockway’s on Anglesey with its majestic cliffs constantly pounded by roaring waves. Along his walk from Porth Swtan to Cemly Bay, he visits a long house restored by locals and tries his hand at whittling. He also discovers tales of the treacherous waters and helps monitor a colony of terns on a reserve set up by an aviation hero.

Derek Brockway, the Weatherman, walks along a stunning and often overlooked stretch of coastline dominated by the Second Severn Crossing or Prince of Wales Bridge. On his journey, he rings an ancient church bell and finds a water scorpion which breathes through its bottom. He also learns about the Rogiet Hoard and discovers how the village of Sudbrook evolved. After wading into the River Severn in the footsteps of ancient fishermen, he finishes in Chepstow at the start – or end – of the Wales Coast Path.