On Christmas Eve Donna is about to marry her boyfriend Lance, but finds herself transported aboard the Tardis. The alien Empress of Racnoss watches closely from the throne in her spaceship as the Doctor tries to get Donna to the church on time, somehow Donna is the key to an ancient plot to destroy the Earth. This Christmas special bridges the second and third series. The disc includes Music and Monsters, an hour long behind the scenes look at The Children In Need Doctor Who concert, presented by David Tennant with appearances by Daleks, Cybermen and other assorted Doctor Who icons.