The Mindless Ones

The Doctor, Mel and Hebe visit Sheffield at the behest of Hebe's best friend, Elise, but Elise has undergone a disturbing transformation. The mysterious Mindless Facility claims to be able to change you for the better - but who decides what that is?

Joining forces with anthropologist Professor Patricia McBride, can the Doctor and his friends save Britain from an insidious alien threat?