The third season of Australian reality television series Lego Masters premiered on the Nine Network on 19 April 2021.
[1] Hamish Blake returned as host along with Ryan "The Brickman" McNaught as judge.
Auditions for the third season opened in May 2020 asking for applicants 15 years old and above.
[2][3] In early September 2020, it was confirmed the third season would begin filming on Monday, October 5 at Melbourne Showgrounds.
[4] On 16 September 2020, the third season was officially confirmed at Nine's 2021 upfronts.