CRITICS CHOICE

BY THE SEASIDE Robson Green’s Coastal Lives, 8pm, ITV THIS week, Robson is in Pembrokeshire, where he meets the family who have bought their own island — complete with Napoleonic fort — and goes for a dip with the wetsuit-free club who love a swim in the freezing Celtic sea. PASTRY PERFECTION? The Great British Bake Off, 8pm, Ch4 WHILE little has changed since the famous tent was bought by Channel 4 — if you squint, you can hardly notice the difference — the adverts are proving an unwanted distraction during this most gentle of shows. Still, they give you a chance to make a cup of tea as we reach episode six, and the seven remaining contestants (including last week’s star baker, Sophie Faldo, pictured) return for pastry week. CONTINENT IN CONFLICT Reformation: Europe’s Holy War, 9pm, BBC2 HISTORIAN David Starkey tells the dramatic story of how, five centuries ago, the German monk Martin Luther launched the Protestant Reformation. It was a revolution that was to throw Europe into two centuries of religious bloodshed and led to the Tudor Brexit from Rome. SUMMER SEASON Alaska: A Year In The Wild, 9pm, Ch5 SUMMER has finally arrived, and as the ice starts to melt, it’s time for one of the world’s greatest migrations — the Alaskan salmon run. Which is goodg news for the brown bears . . .

PLASTIC ICON Barbie: The Most Famous Doll In The World, 9.15pm,p, Ch4 SINCE her debut in 1959, the Barbie doll has become one of the world’s bestselling toys. Here, the retail expert Mary Portas (pictured) finds out more about the little doll, meeting experts, collectors and fans to discuss her appeal and to discover if she’s had a positive or negative influence on young girls. FILM CHOICE Heart Of Murder, 3.15pm, Ch5 HEART transplant recipient Emma (Makenzie Vega) discovers that her donor might have been the victim of a murder and sets out to learn the truth. Grisly theme, feeble execution.