Host Tom Gleeson sets out to find Australia's hardest quiz champion, pitting four contestants against each other in a battle of attrition.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2016-10-19 | 30 min |
| Season 1 | Episode 2 | Episode 2 | 2016-10-26 | 30 min |
| Season 1 | Episode 3 | Episode 3 | 2016-11-02 | 30 min |
| Season 1 | Episode 4 | Episode 4 | 2016-11-09 | 30 min |
| Season 1 | Episode 5 | Episode 5 | 2016-11-16 | 30 min |
| Season 1 | Episode 6 | Episode 6 | 2016-11-23 | 30 min |
| Season 1 | Episode 7 | Episode 7 | 2016-11-30 | 30 min |
| Season 1 | Episode 8 | Episode 8 | 2016-12-07 | 30 min |
| Season 1 | Episode 9 | Episode 9 | 2016-12-14 | 30 min |
| Season 1 | Episode 10 | Episode 10 | 2016-12-21 | 30 min |
| Season 2 | Episode 1 | Episode 1 | 2017-08-02 | 30 min |
| Season 2 | Episode 2 | Episode 2 | 2017-08-09 | 30 min |
| Season 2 | Episode 3 | Episode 3 | 2017-08-16 | 30 min |
| Season 2 | Episode 4 | Episode 4 | 2017-08-23 | 30 min |
| Season 2 | Episode 5 | Episode 5 | 2017-08-30 | 30 min |
| Season 2 | Episode 6 | Episode 6 | 2017-09-06 | 30 min |
| Season 2 | Episode 7 | Episode 7 | 2017-09-13 | 30 min |
| Season 2 | Episode 8 | Episode 8 | 2017-09-20 | 30 min |
| Season 2 | Episode 9 | Episode 9 | 2017-09-27 | 30 min |
| Season 2 | Episode 10 | Episode 10 | 2017-10-04 | 30 min |
| Season 2 | Episode 11 | Episode 11 | 2017-10-11 | 30 min |
| Season 2 | Episode 12 | Episode 12 | 2017-10-18 | 30 min |
| Season 2 | Episode 13 | Episode 13 | 2017-10-25 | 30 min |
| Season 2 | Episode 14 | Episode 14 | 2017-11-01 | 30 min |
| Season 2 | Episode 15 | Episode 15 | 2017-11-08 | 30 min |
| Season 2 | Episode 16 | Episode 16 | 2017-11-15 | 30 min |
| Season 2 | Episode 17 | Episode 17 | 2017-11-22 | 30 min |
| Season 2 | Episode 18 | Episode 18 | 2017-11-29 | 30 min |
| Season 3 | Episode 1 | Episode 1 | 2018-02-21 | 30 min |
| Season 3 | Episode 2 | Episode 2 | 2018-02-28 | 30 min |
| Season 3 | Episode 3 | Episode 3 | 2018-03-07 | 30 min |
| Season 3 | Episode 4 | Episode 4 | 2018-03-14 | 30 min |
| Season 3 | Episode 5 | Episode 5 | 2018-03-21 | 30 min |
| Season 3 | Episode 6 | Episode 6 | 2018-03-28 | 30 min |
| Season 3 | Episode 7 | Episode 7 | 2018-04-11 | 30 min |
| Season 3 | Episode 8 | Episode 8 | 2018-04-18 | 30 min |
| Season 3 | Episode 9 | Episode 9 | 2018-04-25 | 30 min |
| Season 3 | Episode 10 | Episode 10 | 2018-09-19 | 30 min |
| Season 3 | Episode 11 | Episode 11 | 2018-09-26 | 30 min |
| Season 3 | Episode 12 | Episode 12 | 2018-10-03 | 30 min |
| Season 3 | Episode 13 | Episode 13 | 2018-10-10 | 30 min |
| Season 3 | Episode 14 | Episode 14 | 2018-10-17 | 30 min |
| Season 3 | Episode 15 | Episode 15 | 2018-10-31 | 30 min |
| Season 3 | Episode 16 | Episode 16 | 2018-11-07 | 30 min |
| Season 3 | Episode 17 | Episode 17 | 2018-11-14 | 30 min |
| Season 3 | Episode 18 | Episode 18 | 2018-11-21 | 30 min |
| Season 3 | Episode 19 | Episode 19 | 2018-11-28 | 30 min |
| Season 3 | Episode 20 | Episode 20 | 2018-12-05 | 30 min |
| Season 3 | Episode 21 | Episode 21 | 2018-12-12 | 30 min |
| Season 3 | Episode 22 | Episode 22 | 2019-01-30 | 30 min |
| Season 4 | Episode 1 | Episode 1 | 2019-02-06 | 30 min |
| Season 4 | Episode 2 | Episode 2 | 2019-02-13 | 30 min |
| Season 4 | Episode 3 | Episode 3 | 2019-02-20 | 30 min |
| Season 4 | Episode 4 | Episode 4 | 2019-02-27 | 30 min |
| Season 4 | Episode 5 | Episode 5 | 2019-03-06 | 30 min |
| Season 4 | Episode 6 | Episode 6 | 2019-03-13 | 30 min |
| Season 4 | Episode 7 | Episode 7 (Battle of the Duds) | 2019-03-20 | 30 min |
| Season 4 | Episode 8 | Episode 8 | 2019-03-27 | 30 min |
| Season 4 | Episode 9 | Episode 9 | 2019-04-03 | 30 min |
| Season 4 | Episode 10 | Episode 10 | 2019-04-10 | 30 min |
| Season 4 | Episode 11 | Episode 11 | 2019-07-31 | 30 min |
| Season 4 | Episode 12 | Episode 12 | 2019-08-07 | 30 min |
| Season 4 | Episode 13 | Episode 13 | 2019-08-14 | 30 min |
| Season 4 | Episode 14 | Episode 14 | 2019-08-21 | 30 min |
| Season 4 | Episode 15 | Episode 15 | 2019-08-28 | 30 min |
| Season 4 | Episode 16 | Episode 16 | 2019-09-04 | 30 min |
| Season 4 | Episode 17 | Episode 17 | 2019-09-11 | 30 min |
| Season 4 | Episode 18 | Episode 18 | 2019-09-18 | 30 min |
| Season 4 | Episode 19 | Episode 19 | 2019-09-25 | 30 min |
| Season 4 | Episode 20 | Episode 20 | 2019-10-02 | 30 min |
| Season 5 | Episode 1 | Episode 1 | 2020-02-05 | 30 min |
| Season 5 | Episode 2 | Episode 2 | 2020-02-12 | 30 min |
| Season 5 | Episode 3 | Episode 3 | 2020-02-19 | 30 min |
| Season 5 | Episode 4 | Episode 4 | 2020-02-26 | 30 min |
| Season 5 | Episode 5 | Episode 5 | 2020-03-04 | 30 min |
| Season 5 | Episode 6 | Episode 6 | 2020-03-11 | 30 min |
| Season 5 | Episode 7 | Episode 7 | 2020-03-18 | 30 min |
| Season 5 | Episode 8 | Episode 8 | 2020-03-25 | 30 min |
| Season 5 | Episode 9 | Episode 9 | 2020-04-01 | 30 min |
| Season 5 | Episode 10 | Episode 10 | 2020-04-08 | 30 min |
| Season 5 | Episode 11 | Episode 11 | 2020-04-15 | 30 min |
| Season 5 | Episode 12 | Episode 12 | 2020-04-22 | 30 min |
| Season 5 | Episode 13 | Episode 13 | 2020-04-29 | 30 min |
| Season 5 | Episode 14 | Episode 14 | 2020-05-06 | 30 min |
| Season 5 | Episode 15 | Episode 15 | 2020-05-13 | 30 min |
| Season 5 | Episode 16 | Episode 16 | 2020-07-15 | 30 min |
| Season 5 | Episode 17 | Episode 17 | 2020-07-22 | 30 min |
| Season 5 | Episode 18 | Episode 18 | 2020-07-29 | 30 min |
| Season 5 | Episode 19 | Episode 19 | 2020-08-05 | 30 min |
| Season 5 | Episode 20 | Episode 20 | 2020-08-12 | 30 min |
| Season 5 | Episode 21 | Episode 21 | 2020-08-19 | 30 min |
| Season 5 | Episode 22 | Episode 22 | 2020-08-26 | 30 min |
| Season 5 | Episode 23 | Episode 23 | 2020-09-02 | 30 min |
| Season 5 | Episode 24 | Episode 24 | 2020-09-09 | 30 min |
| Season 5 | Episode 25 | Episode 25 | 2020-09-16 | 30 min |
| Season 5 | Episode 26 | Episode 26 | 2020-09-23 | 30 min |
| Season 5 | Episode 27 | Episode 27 | 2020-09-30 | 30 min |
| Season 5 | Episode 28 | Episode 28 | 2020-10-07 | 30 min |
| Season 5 | Episode 29 | Episode 29 | 2020-10-14 | 30 min |
| Season 5 | Episode 30 | Episode 30 | 2020-10-21 | 30 min |
| Season 5 | Episode 31 | Episode 31 | 2020-10-28 | 30 min |
| Season 5 | Episode 32 | Episode 32 | 2020-11-04 | 30 min |
| Season 5 | Episode 33 | Episode 33 | 2020-11-11 | 30 min |
| Season 5 | Episode 34 | Episode 34 | 2020-11-18 | 30 min |
| Season 5 | Episode 35 | Episode 35 | 2020-11-25 | 30 min |
| Season 5 | Episode 36 | Episode 36 | 2020-12-02 | 30 min |
| Season 5 | Episode 37 | Episode 37 | 2020-12-09 | 30 min |
| Season 5 | Episode 38 | Episode 38 | 2020-12-16 | 30 min |
| Season 5 | Episode 39 | Episode 39 | 2021-02-03 | 30 min |
| Season 5 | Episode 40 | Episode 40 | 2021-02-10 | 30 min |
| Season 6 | Episode 1 | Episode 1 | 2021-02-17 | 30 min |
| Season 6 | Episode 2 | Episode 2 | 2021-02-24 | 30 min |
| Season 6 | Episode 3 | Episode 3 | 2021-03-03 | 30 min |
| Season 6 | Episode 4 | Episode 4 | 2021-03-10 | 30 min |
| Season 6 | Episode 5 | Episode 5 | 2021-03-17 | 30 min |
| Season 6 | Episode 6 | Episode 6 | 2021-03-24 | 30 min |
| Season 6 | Episode 7 | Episode 7 | 2021-03-31 | 30 min |
| Season 6 | Episode 8 | Episode 8 | 2021-04-07 | 30 min |
| Season 6 | Episode 9 | Episode 9 | 2021-04-14 | 30 min |
| Season 6 | Episode 10 | Episode 10 | 2021-04-21 | 30 min |
| Season 6 | Episode 11 | Episode 11 (Battle of the Duds!) | 2021-04-28 | 30 min |
| Season 6 | Episode 12 | Episode 12 | 2021-05-05 | 30 min |
| Season 6 | Episode 13 | Episode 13 | 2021-05-12 | 30 min |
| Season 6 | Episode 14 | Episode 14 | 2021-05-19 | 30 min |
| Season 6 | Episode 15 | Episode 15 | 2021-05-26 | 30 min |
| Season 6 | Episode 16 | Episode 16 | 2021-06-02 | 30 min |
| Season 6 | Episode 17 | Episode 17 | 2021-06-16 | 30 min |
| Season 6 | Episode 18 | Episode 18 | 2021-08-18 | 30 min |
| Season 6 | Episode 19 | Episode 19 | 2021-08-25 | 30 min |
| Season 6 | Episode 20 | Episode 20 | 2021-09-01 | 30 min |
| Season 6 | Episode 21 | Episode 21 | 2021-09-08 | 30 min |
| Season 6 | Episode 22 | Episode 22 (Battle of the Duds!) | 2021-09-15 | 30 min |
| Season 6 | Episode 23 | Episode 23 | 2021-09-22 | 30 min |
| Season 6 | Episode 24 | Episode 24 | 2021-09-29 | 30 min |
| Season 6 | Episode 25 | Episode 25 | 2021-10-06 | 30 min |
| Season 6 | Episode 26 | Episode 26 | 2021-10-13 | 30 min |
| Season 6 | Episode 27 | Episode 27 | 2021-10-20 | 30 min |
| Season 6 | Episode 28 | Episode 28 | 2021-10-27 | 30 min |
| Season 6 | Episode 29 | Episode 29 | 2021-11-03 | 30 min |
| Season 6 | Episode 30 | Episode 30 | 2021-11-10 | 30 min |
| Season 6 | Episode 31 | Episode 31 | 2021-11-17 | 30 min |
| Season 6 | Episode 32 | Episode 32 | 2021-11-24 | 30 min |
| Season 6 | Episode 33 | Episode 33 (Battle of the Duds!) | 2021-12-01 | 30 min |
| Season 6 | Episode 34 | Episode 34 | 2021-12-08 | 30 min |
| Season 6 | Episode 35 | Episode 35 | 2021-12-15 | 30 min |
| Season 7 | Episode 1 | Episode 1 | 2022-02-02 | 30 min |
| Season 7 | Episode 2 | Episode 2 | 2022-02-09 | 30 min |
| Season 7 | Episode 3 | Episode 3 | 2022-02-16 | 30 min |
| Season 7 | Episode 4 | Episode 4 | 2022-02-23 | 30 min |
| Season 7 | Episode 5 | Episode 5 | 2022-03-02 | 30 min |
| Season 7 | Episode 6 | Episode 6 | 2022-03-09 | 30 min |
| Season 7 | Episode 7 | Episode 7 (Battle of the Duds!) | 2022-03-16 | 30 min |
| Season 7 | Episode 8 | Episode 8 | 2022-03-23 | 30 min |
| Season 7 | Episode 9 | Episode 9 | 2022-03-30 | 30 min |
| Season 7 | Episode 10 | Episode 10 | 2022-04-06 | 30 min |
| Season 7 | Episode 11 | Episode 11 | 2022-04-13 | 30 min |
| Season 7 | Episode 12 | Episode 12 | 2022-04-20 | 30 min |
| Season 7 | Episode 13 | Episode 13 | 2022-04-27 | 30 min |
| Season 7 | Episode 14 | Episode 14 (Battle of the Duds!) | 2022-05-04 | 30 min |
| Season 7 | Episode 15 | Episode 15 | 2022-05-25 | 30 min |
| Season 7 | Episode 16 | Episode 16 | 2022-06-01 | 30 min |
| Season 7 | Episode 17 | Episode 17 | 2022-09-28 | 30 min |
| Season 7 | Episode 18 | Episode 18 | 2022-10-05 | 30 min |
| Season 7 | Episode 19 | Episode 19 | 2022-10-12 | 30 min |
| Season 7 | Episode 20 | Episode 20 | 2022-10-19 | 30 min |
| Season 7 | Episode 21 | Episode 21 | 2022-10-26 | 30 min |
| Season 7 | Episode 22 | Episode 22 (Battle of the Duds!) | 2022-11-02 | 30 min |
| Season 7 | Episode 23 | Episode 23 | 2022-11-09 | 30 min |
| Season 7 | Episode 24 | Episode 24 | 2022-11-16 | 30 min |
| Season 8 | Episode 1 | Episode 1 | 2023-02-08 | 30 min |
| Season 8 | Episode 2 | Episode 2 | 2023-02-15 | 30 min |
| Season 8 | Episode 3 | Episode 3 | 2023-02-22 | 30 min |
| Season 8 | Episode 4 | Episode 4 | 2023-03-01 | 30 min |
| Season 8 | Episode 5 | Episode 5 | 2023-03-08 | 30 min |
| Season 8 | Episode 6 | Episode 6 (Battle of the Duds!) | 2023-03-15 | 30 min |
| Season 8 | Episode 7 | Episode 7 | 2023-03-22 | 30 min |
| Season 8 | Episode 8 | Episode 8 | 2023-03-29 | 30 min |
| Season 8 | Episode 9 | Episode 9 | 2023-04-05 | 30 min |
| Season 8 | Episode 10 | Episode 10 | 2023-04-12 | 30 min |
| Season 8 | Episode 11 | Episode 11 | 2023-04-19 | 30 min |
| Season 8 | Episode 12 | Episode 12 | 2023-04-26 | 30 min |
| Season 8 | Episode 13 | Episode 13 | 2023-05-03 | 30 min |
| Season 8 | Episode 14 | Episode 14 | 2023-05-10 | 30 min |
| Season 8 | Episode 15 | Episode 15 | 2023-05-17 | 30 min |
| Season 8 | Episode 16 | Episode 16 (Battle of the Duds!) | 2023-05-24 | 30 min |
| Season 8 | Episode 17 | Episode 17 | 2023-05-31 | 30 min |
| Season 8 | Episode 18 | Episode 18 | 2023-08-02 | 30 min |
| Season 8 | Episode 19 | Episode 19 | 2023-08-09 | 30 min |
| Season 8 | Episode 20 | Episode 20 | 2023-08-16 | 30 min |
| Season 8 | Episode 21 | Episode 21 | 2023-08-23 | 30 min |
| Season 8 | Episode 22 | Episode 22 | 2023-08-30 | 30 min |
| Season 8 | Episode 23 | Episode 23 | 2023-09-06 | 30 min |
| Season 8 | Episode 24 | Episode 24 | 2023-09-13 | 30 min |
| Season 8 | Episode 25 | Episode 25 | 2023-09-20 | 30 min |
| Season 8 | Episode 26 | Episode 26 | 2023-09-27 | 30 min |
| Season 8 | Episode 27 | Episode 27 (Battle of the Duds!) | 2023-10-04 | 30 min |
| Season 8 | Episode 28 | Episode 28 | 2023-10-11 | 30 min |
| Season 8 | Episode 29 | Episode 29 | 2023-10-18 | 30 min |
| Season 8 | Episode 30 | Episode 30 | 2023-10-25 | 30 min |
| Season 9 | Episode 1 | Godzilla, Marilyn Monroe, Swan Lake & The Whale Shark | 2024-02-07 | 30 min |
| Season 9 | Episode 2 | Rod Stewart, The Sopranos, Bunnings & Cholera | 2024-02-14 | 30 min |
| Season 9 | Episode 3 | Paula Abdul, Sir Joh Bjelke-Petersen, 30 Rock & Chocolate | 2024-02-21 | 30 min |
| Season 9 | Episode 4 | Real Housewives of Beverly Hills, James Bond movies, Sydney Harbour Bridge, Victorian women's fashion | 2024-02-28 | 30 min |
| Season 9 | Episode 5 | Women in Greek Mythology, Shania Twain, 7-Up & Spices | 2024-03-06 | 30 min |
| Season 9 | Episode 6 | Cronulla Sharks, Mulan, Doja Cat & Vintage Roller Skates | 2024-03-13 | 30 min |
| Season 9 | Episode 7 | Sex and the City, Iggy Pop, The Diamonds & Classic Land Rovers | 2024-03-20 | 30 min |
| Season 9 | Episode 8 | NASCAR, Ash Barty, Sheep Shearing & Mercator Projection | 2024-03-27 | 30 min |
| Season 9 | Episode 9 | LeBron James, Super Smash Bros., Phar Lap & Vegemite | 2024-04-03 | 30 min |
| Season 9 | Episode 10 | Battle of the Duds! - Slipknot, The Lion King, Armageddon & Colonoscopies | 2024-04-10 | 30 min |
| Season 9 | Episode 11 | Princess Kate, Lost in Space, the Concorde & Oysters | 2024-04-17 | 30 min |
| Season 9 | Episode 12 | When Harry Met Sally, Sir Douglas Mawson, The Real Housewives of Melbourne & Curling | 2024-04-24 | 30 min |
| Season 9 | Episode 13 | Van Halen, The America's Cup, The Howard Government & The Inbetweeners | 2024-05-01 | 30 min |
| Season 9 | Episode 14 | Norman Lindsay, John Coltrane, Lana Del Rey & Pompeii | 2024-05-08 | 30 min |
