Season 3 Episodes

Mastermind Australia S3E85: Episode 85 (Grand Final)
- Aired: 2021-06-18
- Time: 19:30:00
- Runtime: 60 minutes
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Overview
Four semi-finalists who beat over 200 other contenders face off for the series final in a bumper 1 hour episode. Each finalist will face 3 x rounds, 2 minutes on their new specialist subject before the nerve-wracking slow burn round which can completely up-end the game. Two minutes on general knowledge will follow.Tonight's finalists are:* William Laing a writer from Sydney with his specialist subject- The Space Trilogy by C.S. Lewis.* Lydia Smith – a storyteller from Orange with her specialist subject – The Winslow Boy (Play & Film).* Patrick Tyson a secondary teacher from South Sydney with his specialist subject – George Washington.* Andrew Williams a HR advisor from Sydney with his specialist subject, the musical the Assassins.