Emma Thompson as a 1940s supernanny has ended the three-week reign of Alice In Wonderland at the top of the UK box-office,according to Screen International.Nanny McPhee And The Big Bang,with Thompson riding to the rescue of harassed mum Maggie Gyllenhaal,took 2.58 million pounds on its debut weekend. Alice In Wonderland,director Tim Burtons version of the classic Lewis Carroll fantasy with Johnny Depp as the Mad Hatter and Helena Bonham Carter as the Red Queen,was down in second spot after taking another 2.49 million pounds in its fourth weekend to raise its total to 34.8 million.The Blind Side made its debut at three with Sandra Bullock,who won Best Actress at the Oscars this month for her role in the film as a mother,who turns a disadvantaged teenager into a football star. Fourth,down one place,was Martin Scorseses psychological thriller Shutter Island,while Gerard Butler and Jennifer Aniston were down three at five with The Bounty Hunter. Green Zone,with Matt Damon searching for weapons of mass destruction in Iraq,slipped a spot to sixth.Seventh,also down one,was The Spy Next Door featuring Jackie Chan as a former CIA man turning his hand to romance and child care. Jim Carrey was the weeks biggest faller,falling four places to eighth with quirky conman caper I Love You Phillip Morris. Coming-out story Shank was new at nine while Avatar slipped three to 10th,its UK total take now as high as 91 million pounds.