Letters and Numbers is an Australian game show on SBS One. It is hosted by Richard Morecroft, and co-hosted by David Astle and Lily Serna. It is based on the French format Des chiffres et des lettres while its structure is similar to the UK version of the show, Countdown. It began airing on 2 August 2010. On 22 June 2012 SBS announced on the official website its decision to "rest" the show, the final episode aired on 27 June 2012. The show has been replaced, at 6pm weeknights, by the UK series, Countdown.