"Behind the Walls" is a special episode of Prison Break, summing up the first 7 episodes, including behind the scenes footage and cast commentaries. Background information on the show and the main characters is provided. In the United States and United Kingdom, this episode was shown after the 7th episode - Riots, Drills and the Devil Part 2, while in Australia, a slightly edited version of this special aired on April 12, 2006 in between episodes 10 and 11. This episode was released on an exclusive "promotional bonus DVD" that could only be received at Target with the purchase of the Prison Break Season 1 DVD in the United States. Mark Thompson narrated this episode.