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 go home ("The Chase"), and their place in the TARDIS was taken by a future space pilot named Steven Taylor, who had been captured by the robot Mechanoids but escaped due to the Dalek attack. The Doctor met another member of his own race for the first time in the form of the Meddling Monk and had an adventure in Galaxy 4. During the siege of Troy, Vicki decided to leave the TARDIS to stay with Troilus, adopting the name Cressida. The Doctor and Steven were next briefly joined by Trojan slave Katarina and a security agent from 4000 AD