Publication history
Between 1991 and 1997,List of ''Past Doctor Adventures''
Including books featuring two of the Doctors, the numbers of books each appears in are as follows: * First Doctor, 8 books * Second Doctor, 12 books * Third Doctor, 12 books * Fourth Doctor, 13 books * Fifth Doctor, 10 books * Sixth Doctor, 11 books * Seventh Doctor, 13 books * Eighth Doctor, 2 booksNotes
# Via the TARDIS thought scanner, the Sixth Doctor shows Peri a six-chapter flashback to his second incarnation's encounter with Winston Churchill and the Players. # Although both Doctors play crucial roles in the plot, and are even briefly simultaneously present in the TARDIS console room, the Second is unaware of the Fourth's presence; the Second Doctor unintentionally materializes in a dimensional anomaly while tinkering with the TARDIS, his presence causing the anomaly to become more unstable and the TARDIS losing its link to the interior dimensions, and the Time Lords are forced to make arrangements for the Fourth Doctor to travel to his past self's ship and restore its connection to the exterior, the Fourth Doctor and Romana hiding under the console at the opposite side from the younger Doctor and his companions after bringing interior and exterior back into alignment. # The Second Doctor and Jamie appear briefly at the beginning of the novel visiting the planet Mendeb Two, but do not interact with the Seventh Doctor or Ace; their actions during this visit prompt the Seventh Doctor to return. # The Seventh Doctor and Ace appear at the beginning and the conclusion of the novel, but Ace never meets the past Doctor and companions, and the Seventh's only contact with his other self occurs in an artificial reality simulation when the Second Doctor is attempting to access a ship's computer, the future Doctor providing his younger self with some discreet advice on how to deal with the current situation. # Although both Doctors play important roles in solving the crisis, their involvement takes place a month apart, with the Eighth Doctor and Harry Sullivan tackling the problem in November while the Fourth Doctor and Sarah deal with the aftermath in December. Also, Harry is the only person to interact with both Doctors (although the Fourth Doctor and Sarah learn of the Eighth's presence, neither of them appear to realise that he is ''the'' Doctor) to be fully aware of the Doctor's nature as an alien time traveller, and the Eighth's current state of amnesia — in the aftermath of ''See also
*References
External links