High Quality Content by WIKIPEDIA articles! The third season of MasterChef Australia premiered on Sunday, 1 May 2011 at 7:30 pm on Network Ten. Judges George Calombaris, Gary Mehigan and Matt Preston returned from the previous series and were joined by Matt Moran. The third season was won by Kate Bracks who defeated Michael Weldon in the grand finale on 7 August 2011. The second part of the series` final (episode 85, "The Winner Announced"), attracted an audience of 2.74 million viewers, making it the third most viewed episode of any Australian television series of 2011, only beaten by the final episodes of The Block (3.09 million) and Australia`s Got Talent (2.98 million).