2021

In October 2021, the Seventh Doctor and Ace investigated mysterious goings-on at St. Gart's Hospital and discovered a Cyberman threat. An emergency room nurse, Thomas Hector "Hex" Schofield, celebrated his twenty-third birthday on 12 October in the course of assisting the duo. He then joined them for a long-term stint aboard the TARDIS. (BFA: The Harvest)