Isla Fisher is hilarious' DAVID WALLIAMS 'Charming, funny, delightful: Marge is the babysitter all children would wish for' DAVID BADDIEL Meet Marge, the mischievous babysitter with rainbow hair who loves to make a mess and bend the rules . . . At dinnertime Chef Marge cooks up chocolate soup, and at school Marge the Muscian conducts a chaotic concert in the playground! Jake and Jemima have brilliant fun with their new babysitter, but will they manage to tick off all the jobs on Mummy's list? Th ...