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
The Doctor (Doctor Who) that time was that regeneration had turned back the Doctor's clock, making him younger both in appearance and in biological age. Since the Doctor's age had never previously been given, 450 Earth years became a starting point onto which further years would be progressively added as the series continued and the character lived out his further incarnations. The Third Doctor implied in "Doctor Who and the Silurians" (1970) and in "The Mind of Evil" (1971) that he had a lifetime that covered "several thousand years". While the Doctor's age has never been a known quantity, these numbers are the most