The third season of Australian reality television series Lego Masters premiered on the Nine Network on 19 April 2021.Hamish Blake returned as host along with Ryan "The Brickman" McNaught as judge.Auditions for th Join Scott Cam, Sophie Monk, Brooke Boney and Michael "Wippa" Wipfli as they battle it out for the honour of the best and most magical Christmas build. Each week, contestants are set tasks to build items out of LEGO in line with a designated theme and are judged on their results. Contestants are then eliminated from the competition on a knock out basis culminating in a winner Each week, contestants are set tasks to build items out of LEGO in line with a designated theme and are judged on their results. Contestants are then eliminated from the competition on a knock out basis culminating in a winner 
