Adventurer Bear Grylls takes Miranda Hart and Jonathan Ross on their own amazing and intense 'wild weekend' expeditions to some of world's most stunning natural environments in two exhilarating new programmes for Channel 4. In Bear's Wild Weekend With Miranda, due to be shown on Channel 4 on Boxing Day, comedy writer and actress Miranda Hart will be confronting her greatest fears while exploring the spectacular Swiss Alps. Meanwhile Bear's Wild Weekend With Jonathan Ross will see presenter and chatshow host Jonathan Ross discover his inner Tarzan in the magnificent rainforests of the volcanic island of La Palma in the Canaries. The series will also air on Discovery Channel.