hey guys as you prob no i am billie piper and i travled with the doctor and i have to tell you it was a blast filming it in the scene where the plastic hand attacked christopher we had to do about 7 takes before we could do it without laughing and when i started working with david the scene where i get trapped in a parallel universe was so sad that i was crying for real lol xxx i hope you guys all keep waatching doctor who because it is really good