James Corden writes 'Gavin & Stacey' finale episode, also starring Mathew Horne and Robert Wilfort!

Gavin and Stacey is to return for one last episode on Christmas Day on BBC One.

The episode will air five years after the last Christmas episode, which ended with Nessa confessing to Corden’s Smithy that she is in love with him, getting down on one knee to propose.