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,
Doctor Who: The Commentaries official "Doctor Who" website to accompany episodes from Series 2 and Series 3 of "Doctor Who" and similar to the commentaries on "Doctor Who" DVD releases. In each episode of "Doctor Who: The Commentaries", members of the cast and crew discuss the latest new episode of "Doctor Who" whilst watching it. For example, Producer Phil Collinson and David Tennant and Catherine Tate, who play respectively the Doctor and Donna Noble in "Doctor Who", feature in the first show discussing "Partners in Crime". The full 45 minute audio commentaries for episodes from Series 4 were available as the "Doctor Who: The