The product is a DVD featuring two classic Doctor Who stories from the Tom Baker years: "The Invisible Enemy" and "K-9 and Company". Directed by Dave Martin, John Black, Bob Baker, and Graham Williams, this British television sci-fi production includes English subtitles and a 4:3 aspect ratio. With a run time of 93 minutes for the main feature and 50 minutes of extras such as commentary, behind the scenes featurettes, and photo galleries, this edition is a must-have for fans of the Doctor Who franchise. Released in 2008 by BBC Video, this DVD is region 2 (Europe, Japan, Middle East) and comes in a tall/DVD case format.