Fergal makes a shocking decision as he tries to drive a wedge between Ronan and Georgie. A beleaguered James struggles to keep his secret from Hayley. 

Madeeha Syed heads to Pakistan to meet the young female hip-hop artists trying to thrive in what were once Karachi's most deadly neighbourhoods. A generation of young rappers are turning away from the gangs, capitalising on the area's relative calm. However, embracing western-inspired music isn't without its risks as many performers have to juggle the politics of their conservative neighbourhood, the requirements of family and religious opposition to their chosen profession.

It's time for heat four, as the brand-new series continues. Mike Wozniak is in his element because he gets to build sandcastles. Rose Matafeo judges what would be of most use in a zombie apocalypse. And this week's fab five - Billy, Emilie, Jamie, Kaif and Kyra - who are all aged between nine and 11, become acquainted with Hollywood royalty.

A man belonging to the Mormon community is found murdered in a temple. Astrid and Raphaëlle soon discover that the murder strangely resembles that of Joseph Smith, founding father and prophet of the community...

Susan explores the stunning South Scottish Glens and the Isle of Arran, where she spent childhood holidays. From a fascinating art installation at the Crawick Multiverse to discovering treasures at Drumlanrig Castle, Susan's journey uncovers surprises at every turn. Visit Sanquhar's oldest post office, experience the vibrant farmers Arran Show, and enjoy a catamaran ride to Brodick. Susan ends her adventure with whisky at a distillery, family fun at Blackwaterfoot beach, and memories that capture the magic of Arran. 

The armchair critics settle down to a selection of the past week's TV shows, with cameras capturing their instant reactions - the good, the bad and the bewildered.

Ant and Dec present as the famous faces near the end of their second week in the Australian jungle. Living off basic rations they must compete in trials in the hope of winning food for camp.

Together on Graham's sofa: superstar actor and singer Cher, talking about her autobiography Cher: The Memoir, Part One, Michael Fassbender, playing a covert CIA agent in TV series The Agency, double Oscar nominee Keira Knightley, in Christmas spy thriller Black Doves and Hollywood star Josh Brolin, discussing his book From Under the Truck: A Memoir. With music from Jalen Ngonda, who performs his single Anyone In Love.

Tim McGarry, Colin Murphy, Diona Doherty and Neil Delamere are joined by special guest Dara O'Briain as they present the funnier side of the week's news. Taking no prisoners, the comedians tell us who and what they found funniest across the week.