The Doctor returns to Earth on Christmas Eve, but something goes wrong during his regeneration, leaving the human race vulnerable as the Sycorax advance on Earth. Rose Tyler: Billie Piper. Jackie Tyler: Camille Coduri. Mickey Smith: Noel Clarke.
The palace of Versailles is under attack by evil droids in 18th-century France. Madame de Pompadour's (Sophia Myles) only hope is the Doctor, a stranger she's never met, except in mysterious dreams she's had since childhood.