Channel 4's Comedy Gala (2010) bin, he begins the stand-up show with his own act, before acting as host for the first segment. Bill Bailey performed a short stand-up before going on to perform various musical comedy shorts on the keyboard, with additional vocals by Kevin Eldon. James Corden and Ruth Jones appeared in character as Smithy and Nessa from their television sit-com "Gavin & Stacey", carrying forward the plot from the final episode by pretending to be visiting London on a day trip from Barry Island. Lost and late, they appear on stage looking for their seats, before realising they're on stage and carrying
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