James Corden and Ruth Jones have completed the script for the final episode of Gavin & Stacey, with rewrites done to make it more concise and practical for filming. The show, which aired from 2007-2010 and had a special in 2019, left fans anticipating the resolution of a cliffhanger involving Nessa proposing to Smithy. The cast is set to receive the script soon, with filming scheduled to start in Wales next month, aiming for a Christmas Day broadcast on BBC One. Corden expressed deep emotions about concluding the series after a successful run, highlighting the joy of being able to give it a proper send-off.