This is a reference book on the TV series Department S, which comprised 29 episodes in 1969. The book includes all episodes in date order, complete cast lists, numerous photographs, directorial credits, and a story synopsis for each episode. Department S was produced by ITV and starred Peter Wyngarde as Jason King, Joel Fabiani as Stewart Sullivan, and Rosemary Nicols as computer expert Annabelle Hurst. These three are agents for a fictional special department of Interpol. The head of Department S is Sir Curtis Seretse, played by Dennis Alaba Peters.