A ninth Doctor adventure, featuring the Doctor as played by Christopher Eccleston and his
companion Rose. Reports of a time disturbance lead the Doctor to modern-day London, where he discovers a Neanderthal Man, 28 thousand years after his race became extinct. A trip back to the dawn of humanity only deepens the who are these strange humans from the far future now living in the distant past? The Doctor must learn the truth about the Osterberg experiment before history is changed forever.