BBC Comedy Guide: Agony: Description of the programme, transmission details, and a list of cast and crew.
epguides.com - Agony: Episode descriptions and original air dates, with details of the cast, writers and directors.
IMDb - Agony: Provides a full list of cast and crew with links and viewer comments.
Television Heaven - Agony: Brief review of the show.
TV Comedy Database - Agony: Includes cast and crew list, plus episode guide.