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
The Name of the Doctor to kill the Doctor's allies unless the Doctor says his name to unlock the TARDIS doors. The Doctor refuses, but as he speaks, River says the Doctor's name and unlocks the TARDIS. Inside, the Doctor reveals a pulsating column of light to be his time stream. The Great Intelligence enters it in order to undo the Doctor's past as revenge for all the defeats it has been dealt. The positive effects of the Doctor's travels begin to be nullified by the Intelligence's interference. Jenny and Strax both disappear. Clara remembers the Doctor telling her that she has helped the Doctor