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) pitted against "The Dream Lord", a manifestation of his self-loathing and anger, in "Amy's Choice". Later, the Eleventh Doctor entered his own timeline in "The Name of the Doctor" to rescue his companion Clara Oswald, and while there observed a past incarnation portrayed by John Hurt, one whose actions caused him to be unworthy of the name "Doctor" and viewed as shameful by his future selves. In the 50th anniversary special, "The Day of the Doctor", the Eleventh Doctor encounters both the Tenth Doctor and the War Doctor (played by John Hurt). The Tenth and Eleventh Doctors are generally amicable