Groan Ups is a comedy play by Henry Lewis, Jonathan Sayer and Henry Shields of Mischief Theatre.
The play revolves around the relationships between five school-friends are explored at three stages of their lives: in Year Two in 1994, Year Nine in 2001, and at a school reunion in the present day.
The play opened on 20 September 2019 and ran until 1 December 2019 at the Vaudeville Theatre in London's West End, making it the third Mischief Theatre production running simultaneously alongside The Play That Goes Wrong and The Comedy About a Bank Robbery. The cast performed a scene from the play on the 2019 Royal Variety Performance.
The play was to begin a UK tour in August 2020, however due to the COVID-19 pandemic it was postponed and opened at the Theatre Royal, Bath on 12 August 2021.