Gavin & Stacey viewers have noticed a glaring continuity error in the Christmas Special finale. The show returned for a final time on Christmas Day this year, with the much-anticipated episode finally answering the fate of Nessa and Smithy’s relationship, picking up from 2019’s cliffhanger that saw Nessa get down on one knee.

Gavin & Stacey star Melanie Walters has responded to the 2024 Christmas special 's biggest reveal. The finale of the beloved BBC sitcom revealed that Smithy stayed with Sonia after the 2019 special, but more shocking than that (for viewers and the characters) was finding out that Gwen had a new boyfriend: Dave Coaches!

Gavin and Stacey fans were left scratching their heads over one particular moment during the Christmas Day finale