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
Diarmuid Gavin screened the television show "I Want a Garden". In 2011, RTE launched "Dirty Old Towns" with Gavin as co-presenter, and a second series aired in 2012. Gavin presented an episode of "Great British Garden Revival" on BBC Two in 2014. In 2018, Gavin judged the Young Landscapers Award at the BBC "Gardeners’ World Live" show. In autumn 2004, Gavin participated in BBC One's "Strictly Come Dancing" and in summer 2006, "Only Fools on Horses". In 2010, Gavin took part in the first series of the ITV reality competition "71 Degrees North" and was the third celebrity to become eliminated on