MasterChef Australia is a Logie award winning Australian competitive cooking game show based on the original British MasterChef. It is produced by FremantleMedia Australia and screens on Network Ten. Restaurateur and chef Gary Mehigan, chef George Calombaris and food critic Matt Preston serve as the show's main judges. Journalist Sarah Wilson hosted the first season, however her role was dropped at the end of the season.The first episode aired on 27 April 2009, and the season one finale was broadcast on 19 July 2009. The first winner of MasterChef Australia was Julie Goodwin, a 38 year old I.T. office manager. The second season of MasterChef Australia premiered on 19 April 2010. The second season aired through the week at 7.30 pm, half an hour later than the original timeslot of the first season. The winner of the 2010 series of MasterChef was Adam Liaw, who won by a seven-point margin over his opponent Callum Hann. The third season of MasterChef Australia went to air in 2011. The season was won by Kate Bracks, who defeated Michael Weldon in the series final. The fourth season premiered on 6 May 2012, and was won by Andy Allen, who defeated Julia Taylor.The series has also spawned three spin-off series: Celebrity MasterChef Australia, which featured celebrity contestants aired in 2009, Junior MasterChef Australia, of which its first season began airing on 12 September 2010 and MasterChef Australia All-Stars, which featured returning contestants from the first three seasons, which began screening on 26 July 2012.Following rumours of relocating the show to Melbourne, acting NSW opposition leader Linda Burney has called on the NSW Premier, Barry O'Farell, to intervene and prevent losing jobs.