The Mousetrap is a murder mystery play by Agatha Christie. As the longest-running West End show, it holds the record for the longest run of any play in the world, having reached its 30,000th performance on 19 March 2025. The production originally opened in London's West End in 1952 and ran continuously until 16 March 2020, when performances were temporarily discontinued during the COVID-19 pandemic. It subsequently re-opened on 17 May 2021, continuing its run which has seen 10 million people attend in London as of 2022.

The performance is presented by the established cast and creative team responsible for this long-running production, with no additional artists or guest performers named for this specific date. All details regarding seating and capacity are managed exclusively by the venue and production company.

The event takes place at St. Martin's Theatre on West Street, London, WC2H 9NZ. The show begins at 15:00 on 8 December 2026. Specific details regarding ticket pricing, age restrictions, accessibility provisions, and refreshment availability are not provided in the source material and cannot be confirmed.

Details written from the information supplied by the event organiser.