Alexander Armstrong and Richard Osman present a celebrity version of the general knowledge quiz in which contestants try to come up with the answers that nobody else could think of.
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | November 2012 | December 2021 | 17 |
| Season 1 | July 2011 | July 2011 | 5 |
| Season 2 | February 2012 | June 2012 | 8 |
| Season 3 | October 2012 | December 2012 | 9 |
| Season 4 | February 2013 | September 2013 | 6 |
| Season 5 | September 2013 | December 2013 | 10 |
| Season 6 | December 2013 | January 2015 | 31 |
| Season 7 | April 2015 | May 2015 | 5 |
| Season 8 | August 2015 | December 2015 | 16 |
| Season 9 | January 2016 | May 2016 | 9 |
| Season 10 | May 2016 | November 2017 | 38 |
| Season 11 | December 2017 | June 2019 | 48 |
| Season 12 | August 2019 | March 2020 | 23 |
| Season 13 | April 2020 | December 2020 | 22 |
| Season 14 | December 2020 | March 2022 | 33 |
| Season 15 | April 2022 | September 2022 | 17 |
| Season 16 | November 2022 | March 2023 | 6 |
| Season 17 | March 2023 | August 2025 | 55 |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| Specials | 0 | ||
| Unassigned Episodes | 358 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 358 |
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Season 1 | July 2011 | July 2011 | 5 |
| Season 2 | February 2012 | June 2012 | 8 |
| Season 3 | October 2012 | December 2012 | 9 |
| Season 4 | February 2013 | September 2013 | 6 |
| Season 5 | September 2013 | December 2013 | 10 |
| Season 6 | December 2013 | January 2015 | 31 |
| Season 7 | April 2015 | September 2015 | 7 |
| Season 8 | August 2015 | January 2016 | 17 |
| Season 9 | January 2016 | September 2016 | 8 |
| Season 10 | May 2016 | March 2018 | 45 |
| Season 11 | December 2017 | June 2019 | 39 |
| Season 12 | August 2019 | March 2020 | 23 |
| Season 13 | April 2020 | April 2021 | 30 |
| Season 14 | December 2020 | May 2022 | 30 |
| Season 15 | April 2022 | August 2023 | 31 |
| Season 16 | November 2022 | April 2024 | 20 |
| Season 17 | March 2023 | August 2025 | 22 |
| Unassigned Episodes | 17 |
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Nick Harris | 14 | 07/04/2011 - 11/08/2014 |
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Laura Turner | 1 | 04/29/2023 |
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