The quest for the next segment of the Key to Time takes the Doctor and Romana to... checks notes... Earth. So on this exotic planet these first two episodes of ‘The Stones of Blood’ have our classic Whosome Twosome in rural England finding Neo-Druids in lieu of the third piece. Whilst attempting to course-correct Romana wears incorrect foot-wear, the ‘Doctor’ pushes her off a cliff for her folly, and the titular stones sadly beat K9. If only K9 was made of paper...