This new special reveals the secrets of the long-running sitcom's extraordinary success. Helped by former cast and crew members, families of the stars no longer with us, and celebrity fans, we learn the secrets of this comedy classic and get to see previously unseen interviews and rare behind-the-scenes archive footage.

Documentary

Stephen Mangan, Crispian Sallis, Lesley Garrett, John Thomson, Russ Abbot, Brian Murphy