24 December 1851
London
The TARDIS materialised beneath a medieval archway. The Doctor stepped out and smiled. “Come on then!” he said. Donna followed him out, dressed for the period.
“This incarnation is still taking some getting used to,” she said. “I'm still finding this new voice weird.”
“That makes two of us,” the Doctor said. He still wasn't how the Metacrisis had triggered a regeneration in a human.