The Doctor’s plans are cut short when the TARDIS is violently attacked in flight, leaving him injured and fighting to remember who he is. Meanwhile, an old enemy seizes the opportunity to put a dangerous new plan into motion.

This week, Paddy and Tricia follow the newly regenerated Doctor and Mel as they uncover what’s really happening on the planet Lakertya and why some of the greatest minds in history are being taken from their own timelines. Will their investigation survive the chaos of Time and the Rani?