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 Master (Doctor Who) which looks at how he stole a new body in the early twentieth century after his essence escaped from the Eighth Doctor's TARDIS, and survived by possessing a series of human hosts until he tricked UNIT into helping him regain access to his TARDIS. Alex MacQueen plays a new incarnation of the Master in the Seventh Doctor boxset "UNIT Dominion" and later in the Eighth Doctor boxsets "Dark Eyes 2", "Dark Eyes 3" and "Dark Eyes 4". Macqueen's Master is revealed to be an incarnation between Eric Roberts' Master and Derek Jacobi's, having been rescued by the Time Lords who