Doctor Who and the Silurians (a two-part Eleventh Doctor story from 2010), in 'The Monster Collection' series, specifically "The Silurians" entry. Doctor Who and the Silurians Doctor Who and the Silurians is the second serial of the seventh season in the British science fiction television series "Doctor Who". It was first broadcast in seven weekly parts on BBC1 from 31 January to 14 March 1970. The serial is set in an English moorland, the cave system below it, and London. In the serial, the alien time traveller the Third Doctor (Jon Pertwee) attempts to broker peace between humanity and the Silurians, an intelligent bipedal race
K9 (Doctor Who) Jaeger) in the year 5000. K9 subsequently travelled with the Fourth Doctor (Tom Baker) and Leela (Louise Jameson) as a companion of the Doctor in his adventures in time and space until "The Invasion of Time" (1978). In this serial, K9 decides to remain on the Doctor's home planet of Gallifrey with Leela. Immediately afterwards, "Doctor Who" would introduce a second incarnation of K9, played by the same prop; the last scene of "The Invasion of Time" shows the Doctor unpacking a box labeled "K9 Mk II". Although the first incarnation of K9 does not appear again in televised "Doctor