The definitive history of the BBC's long-running series Doctor Who continues with this volume on three adventures of the Fourth Doctor! The Doctor, Sarah Jane Smith, and Harry Sullivan face a marauding robot in the present, then travel into the future and the Nerva Beacon in three stories from Season 12 of the original series: "Robot," "The Ark in Space," and "The Sontaran Experiment." Illustrated throughout with photographs from the archives and in full-color, this hardcover volume features story summaries, character and actor profiles, pre- and post-production notes, broadcast reaction, and much more.