Season 0 of Only Connect premiered on December 21, 2009.

Season 1 of Only Connect premiered on September 15, 2008.

Season 2 of Only Connect premiered on July 13, 2009.

Season 3 of Only Connect premiered on April 1, 2010.

Season 4 of Only Connect premiered on September 6, 2010.

Season 5 of Only Connect premiered on August 15, 2011.

Season 6 of Only Connect premiered on August 27, 2012.

Season 7 of Only Connect premiered on May 13, 2013.

Season 8 of Only Connect premiered on September 23, 2013.

Season 9 of Only Connect premiered on April 14, 2014.

Season 10 of Only Connect premiered on September 1, 2014.

Season 11 of Only Connect premiered on July 13, 2015.

Season 12 of Only Connect premiered on July 11, 2016.

Season 13 of Only Connect premiered on July 28, 2017.

Season 14 of Only Connect premiered on October 22, 2018.

Season 15 of Only Connect premiered on September 2, 2019.

Season 16 of Only Connect premiered on September 21, 2020.

Season 17 of Only Connect premiered on July 12, 2021.

Season 18 of Only Connect premiered on August 29, 2022.

Season 19 of Only Connect premiered on July 17, 2023.

Quiz show in which connections must be made between apparently unconnected things.

Season 20 of Only Connect premiered on August 12, 2024.