Indeed. Mary Whitehouse also brought an end to my all-time favourite era of Doctor Who: Tom Baker's first three series with best-ever series producer Philip Hinchcliffe (classics like Terror of the Zygons, Pyramids of Mars, The Brain of Morbius, The Seeds of Doom, Genesis of the Dalkes, The Robots of Death, The Talons of Weng Chiang, and - most notoriously - The Deadly Assassin).