What’s happened to The Crown? Surviving a shipwreck, how Aldi and Lidl changed British shoppers, and Philippa Perry on loneliness

How The Crown went from prestige drama to TV disaster (1m26s); what happened when one man’s boat sank in the dead of night – and he had to save his seven-year-old son (11m19s); how discount supermarkets changed the way we shop (25m21); and Philippa Perry shares advice on how to overcome loneliness and isolation (40m08s)