BBC - Coupling: Official site for the series. Includes actor profiles, series guide, video clips, quizzes and quotes.
Coupling 2004: Fan site containing news items, an episode guide, quotes, pictures, links, and a glossary of terms found in the programme.
Coupling Mania: Message board for fans. [Registration required].
Do You Like Coupling?: Plot synopses, reviews and character guide.
IMDb: Coupling: Message board, viewer comments and links, with pictures, quotes and a full list of cast and crew.
Radio And Telly - Coupling: News and information on the series, including an episode guide and discussion forum.
Valdefierro's Coupling Gallery: Provides several pages of screen captures, with links and merchandise.
Wikipedia: Coupling: Offers a detailed overview of the show, with a character guide, links, and comments from Stephen Moffat on unseen conclusions to various storyline.