Gavin & Stacey claimed a special episode was possible, citing it as a Hallowe'en or Bonfire Night special rather than a Christmas special, stating like he'd "love to see Gavin and Smithy go trick or treating". Speaking in October 2013, Mathew Horne said he would love to star in a fourth series, but admitted it would be a "risk" to do another series in case it didn't live up to expectations. James Corden said in November 2013 that he would love to work with Ruth Jones again but he didn't know if it would be to make more Gavin and Stacey or something
Gavin & Stacey and preoccupied with this issue, and in an attempt to cheer him up, Pam, Mick and Smithy arrange a surprise trip to Barry beach on a sunny bank holiday. Nessa and Dave also run into trouble after Dave learns about her alleged sexual intercourse with Smithy, but the two decide to go ahead with the wedding. In the final episode, Stacey discovers she is pregnant after all, and the couple are overjoyed and excited. Smithy shows up at Nessa and Dave's wedding ceremony with Neil, pleading for her not to marry him, and accusing her of not loving Dave. Dave,