TV Guide BBC Two

Janette Manrara returns with training room exclusives and sees how the celebrities are getting on with their next dances for the very first time this week. Also, more couples pop by for a chat to reveal a few dance secrets

Nigella Lawson shares another selection of her favourite dishes, beginning with a breakfast of fried bread and tomato hash inspired by her university days. A speedy meal comes in the form of a simple and tasty pasta dish with anchovies, tomatoes and mascarpone, while her friends are treated to a vegan feast with a butternut and sweet potato curry served with her coriander and jalapeno salsa, followed by a moreish lemon tendercake served with blueberry compote, which was prompted by a trip to Kansas City

Julie Wilson Nimmo and Greg Hemphill head to the UIsts, bodysurfing in the wild north Atlantic, hitching a ride with the film crew after their van breaks down and topping it all off with some island-made gin from a local distillery

Simon continues to trace the path of the northern tropic around the globe, joining travellers on the coast of Western Sahara to partake in the extreme sport of kite surfing, and meeting activists who campaign for indigenous people's rights. He continues on through the world's largest minefield, takes a gruelling train ride across Mauritania and visits huge refugee camps in the Algerian desert

Fiona Bruce and Philip Mould investigate a charming little white flower picture, purported to be by one of the most important abstract artists of the 20th century, Piet Mondrian. Its owner, American Jeffrey Kroll, inherited the picture from his mother and believes it to be genuine. However, the painting was turned down by the Mondrian authentication committee, so the team has to find new evidence to help persuade that body to change its mind. A lot is at stake - if the work is genuine, it could be worth over £250,000 rather than just a few hundred

Revisiting the African lions that learned to prey on elephants in the drought-ridden Kalahari Desert, and catching up with the pride during the rainy season. Imogen Stubbs narrates

Ed Gamble is joined by the latest banished and murdered celebrity players to discuss their time on the show. Also, they discover the identity of the traitors for the very first time. Season one faithful Maddy and season three faithful-turned-traitor Freddie are in the studio for gameplay analysis