A special sing-a-long version of Monty Python and the Holy Grail will be released in UK cinemas for one night only.

It’s to mark the 40th anniversary of the film which follows King Arthur on his quest.

The screening will be accompanied by an exclusive introduction from Terry Jones, Terry Gilliam, Michael Palin, Eric Idle and John Cleese. Audiences are being encouraged to attend dressed up as their favourite character.

The event will take place in 500 cinemas around the UK on October 14 – to find out more, visit www.parkcircus.com.