In Celebration is a 1975 British drama film directed by Lindsay Anderson and starring Brian Cox, Gabrielle Daye, Bill Owen, James Bolam, Alan Bates and Constance Chapman. It is based in the 1969 stage production of the same name by David Storey which was also directed by Anderson. The movie was produced and released as part of the American Film Theatre, which adapted theatrical works for a subscription-driven cinema series. It was meant to be shown theatrically with tickets sold in advance.