Presenters Richard Coles and Suzy Klein are joined by actor/singer Jason Donovan.
BBC Radio 4
TV presenter and health expert Dr Christian Jessen joins Richard Coles and Aasmah Mir.
BBC Radio 4 LW only
BBC Radio 4 FM only
Wildlife cameraman and presenter Gordon Buchanan joins Aasmah Mir and Richard Coles.
TV presenter Kirstie Allsopp joins Richard Coles and Aasmah Mir.