The Age of Steel

"The Age of Steel" is the sixth episode of the second series of the British science fiction television programme Doctor Who. It was first broadcast on 20 May 2006 and is the second part of a two-part story that was the first to feature the Cybermen since Silver Nemesis in 1988. The first part, "Rise of the Cybermen", was broadcast on 13 May 2006. It stars David Tennant as the Doctor, Billie Piper as Rose Tyler and Noel Clarke as Mickey Smith.