• The Doctor has lived, governed, farmed and juggled in Roman Britain where he also became a Vestal Virgin second class.
• Enzomodons communicate by digesting each other and naturally assume that any species they encounter communicates in the same way. Nardole relates the story of an Enzomodon ambassador who ate the entire crew of the Mary Celeste and then choked on a lifeboat, although this is probably apocryphal given the Daleks’ involvement in events aboard the ship (The Chase, 1965).