Comedian and computer scientist Olga Koch returns for a second series of her comedy and STEM stand up show, joined by her sassy digital assistant ALGO (voiced by Tia Kofi). This episode, Olga and ALGO try to agree on what is, and isn’t, fun. Written by Olga Koch and Charlie Dinkin Featuring Tia Kofi Additional Material From Rajiv Karia, Cody Dahler and Kate Dehnert Production Co-ordinator Katie Baum Produced by Benjamin Sutton A BBC Studios Production

Jayde Adams and her guest DJ Nick Grimshaw dive into the world of community apps and messageboards. This week - a fart in a Carlisle supermarket, Grimmy's neighbours turn paparazzi at a time of crisis, and a found treasure of the Templar is not all it’s cracked up to be. Producer: Cornelius Mendez An unusual production for BBC Radio 4

Is it socially acceptable to leave a play if you're not enjoying it? Did Laura Smyth win big on The Grand National? And why does Michelle De Swarte have beef with Margate? Find out the answers to all the above in another cracking episode of Bang On It. Producer: Pete Strauss Exec Producer: Rich Morris Production Co-Ordinator: Katie Baum Editor: Calum Sample A BBC Studios Production for Radio 4

Sue Perkins challenges Paul Merton, Felicity Ward, Ivo Graham and Josie Lawrence to speak for 60 seconds without repetition, deviation or hesitation. The long-running Radio 4 national treasure of a parlour game is back for a new series with subjects this week ranging from The Letter Q to Chaise Longue. Production co-ordinator: Caroline Barlow Sound editor: Marc Willcox Producer: Rajiv Karia A BBC Studios Production