Doctor Who is back! The Doctor will set foot in America and embark on a new journey with Amy and Centurion Rory. And more! River Song, this mysterious woman will return to the Doctor's side again. Who is River Song? What is her relationship with the Doctor? The much-anticipated episode "The Doctor's Wife" will also be broadcast this season. Where will the episode, written by sci-fi master Neil Gaiman, take the plot? What secrets of the Doctor will be revealed?