15/32 From Minnesota, the American funny man welcomes mandolinist and violinist Richard Kriehn.
Mel Giedroyc presents astronauts, dolphins and the author of 'The Tiger Who Came to Tea'. (R)
Philip Pullman reads from his book Grimm Tales, based on the original folk tales.
Mel meets the man who memorized 3,500 facts about every FA Cup Final since 1872.
Mel gets to the bottom of the nanotechnology that makes your mobile phone work.
Mel meets the Batman from Brazil - dentist by day and superhero by night.
Mel hears about the food which became popular in Iceland after the financial crash.
16/32 The American funny man welcomes string maestro Sam Bush, plus news from Lake Wobegon.