This episode goes behind the scenes of Cyberwoman

Behind-the-scenes look at the science fiction drama. Actor Gareth David-Lloyd talks about his role as the mysterious Ianto Jones. Backstage, cameras follow the filming of the attack from the cyberwoman. On set, Caroline Chikezie, playing semi-converted Lisa, talks about this scene and the complex green screen elements and CGI which combine to create the pterodactyl attack. Russell T Davies and Neil Gorton discuss how episode four's Cyberwoman was conceived from script to screen.