In this round, the specialty subjects are When Harry Met Sally, the 1966 FIFA World Cup, Volkswagen, and Britney Spears 1998–2008.

In this round, the specialty subjects are Arnold Schwarzenegger, the 1956 Melbourne Olympics, The Animorphs Series, and 1950s Rock and Roll.

In this round, the specialty subjects are Kath and Kim, the Anzac landing at Gallipoli, Frederick Spofforth, and the band Tom Tom Club.

In this round, the specialty subjects are Better Call Saul, The Smiths, Australian Female Publicans, and the Daniel Craig James Bond films.

In this final round, the four reigning champions from this cycle battle it out to progress to the semi-finals.

In this round, the specialty subjects are the History of Coca-Cola, Bobby Fisher, Australian Freshwater Turtles, and the film Captain America: Civil War.

In this round, the specialty subjects are Blazing Saddles, the 1942 Attack on Sydney Harbour, pop band The 1975, and The Elder Scrolls video game.

In this round, the specialty subjects are Rowan Atkinson, The Matildas, Pat Rafter, and the band The Cure.

In this round, the specialty subjects are the TV show Survivor, the History of Nintendo, The Great Plague of London, and Fawlty Towers.

In this final round, the four reigning champions from this cycle battle it out to progress to the semi-finals.

In this round, the specialty subjects are the Riverina Region, the Hyrax, the Life and Philosophy of Martin Heidegger, and the Heroes of the DC Universe.

In this round, the specialty subjects are Buddy Holly, the Julio-Claudian Dynasty, Gilmore Girls, and the 1930 FIFA World Cup.

In this round, the specialty subjects are Grey's Anatomy, Pulp Fiction, chess champion Magnus Carlsen, and The Real Housewives of New York City.

In this round, the specialty subjects are Richard III, Frasier, International Female leaders in 2020, and T.E. Lawrence.

In this final round, the four reigning champions from this cycle battle it out to progress to the semi-finals.

In this round, the specialty subjects are Ritchie Blackmore, the History of the Essendon Bombers, Tsar Nicholas and the Romanovs, and the Jack Reacher films.

In this round, the specialty subjects are Night of the Living Dead (1968), Honda Motorcycles, Homer's Iliad, and Roxy Music.

In this round, the specialty subjects are The Flashman Novels: Books 1 & 2, Operation Barbarossa, Angels’ Blood by Nalini Singh, and Chart-Topping Rappers.

In this round, the specialty subjects are Flight of the Conchords, country music supergroup The Highwaymen, The Baggy Green, and the Geography of Indonesia.

In this final round, the four reigning champions from this cycle battle it out to progress to the semi-finals.

In this round, the specialty subjects are Helen Reddy, Paul’s Letters to the Romans, Wolfgang Amadeus Mozart, and George Carlin.

In this round, the specialty subjects are the Ryder Cup since 1990, Leon Trotsky, Agatha Christie, and Roger Federer.

In this round, the specialty subjects are Don’s Party, The Alchemist by Paulo Coelho, Bitcoin, and Baroque Music.

In this round, the specialty subjects are Canadian Geography, Grease, Archer: Seasons 1 and 2, and Eucalyptus.

In this final round, the four reigning champions from this cycle battle it out to progress to the semi-finals.

In this round, the specialty subjects are Australian Reptiles, The Minoan Civilisation, Alan Jones - the Formula One Years, and Will and Grace: Season 9.

In this round, the specialty subjects are 90s Australian Alternative Rock Music, American physicist Richard Feynman, crime fiction novel The Cuckoo’s Calling, and Daria: Seasons 1–3.

In this round, the specialty subjects are Eminem, A Court of Thorns and Roses by Sarah J Maas, Pride and Prejudice, and musician Chris Isaak.

In this round, the specialty subjects are The Big Bang Theory: Season 1, the poet Charles Bukowski, The Concorde Aeroplane, and Olivia Newton-John.

In this final round, the four reigning champions from this cycle battle it out to progress to the semi-finals.