Four former First Doctor companions had cameos in An Adventure in Space and Time: William Russell (Ian Chesterton), Carole Ann Ford (Susan Foreman), Jean Marsh (Sara Kingdom), and Anneke Wills (Polly Wright).
Doctors and companions present a check to Children in Need in 1985.
Happy (Slightly Belated) Birthday, Carole Ann Ford! (b. 16 June 1940)
TARDIS interiors - the First Doctor’s console room
(Hopefully, that hadn’t happened yet in Henry VIII’s personal timeline when Amy accidentally married him, or else that probably would have made things even worse.)