Katie Derham joins Matt and Alex to talk about the 2015 Proms season, and Mel Giedroyc is live from Vienna reporting on the start of Eurovision.
Dom Littlewood discovers that brand-name mouthwash may be a waste of money, Dr Sarah Jarvis meets a young woman who first touched the nation as a sick toddler on City Hospital, and Dan Snow flies in a restored Blenheim Bomber.