The Three Doctors (Doctor Who) the Third Doctor (Jon Pertwee) for help when Omega drains their civilisation's power. The serial opened the tenth anniversary year of the series, and features the first three Doctors all appearing in the same serial. This makes it the first "Doctor Who" story in which an earlier incarnation of the Doctor returns to the show. A superluminal signal is sent to Earth, carrying with it an energy blob that seems intent on capturing the Doctor. The homeworld of the Time Lords is also under siege, their power being drained through a black hole. Trapped themselves, and desperate to send help,
The Doctor (Doctor Who) Doctor Who writer Terrance Dicks, the same author who wrote "The Five Doctors". In it, he tries to reconcile the continuity errors of the 1996 movie, while having the Eighth Doctor meet and interact with each of his previous selves, although the Eighth Doctor visited each incarnation one at a time rather than all eight of them appearing in the same place. Later Eighth Doctor novel "Interference – Book One" sees the Eighth Doctor briefly meeting the Third, although this occasion results in the Doctor unwittingly changing his own history so that the Third Doctor will regenerate ahead of schedule