First Doctor Second Doctor, appears as well. The First Doctor is seen as a sketch in John Smith's book alongside other past Doctors in the episode "Human Nature". In "Time Crash", the Tenth Doctor says to the Fifth, "Back when I first started, at the very beginning, I was always trying to be old and grumpy and important, like you do when you're young." A brief clip of the First Doctor from "The Time Meddler" appears in both "The Next Doctor" and in "The Eleventh Hour". In a clip from "The Vampires of Venice" the Eleventh Doctor shows his library card, which
First Doctor regenerated for the first time. From the beginning, the Doctor was a mysterious figure. He appeared to be a frail old man and yet was possessed of unexpected reserves of strength and will. An early writers' guide by script editor David Whitaker describes "Doctor Who" as "frail-looking but wiry and tough as an old turkey". He obviously held tremendous knowledge of scientific matters, and yet was unable to pilot his TARDIS time ship reliably; his granddaughter Susan explained this by saying that her grandfather was "a bit forgetful"; but the TARDIS required expert piloting and guidance by the Doctor. Its