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
Doctor Who Doctor's nature, somewhere between the twelfth and final incarnation. On rare occasions, other actors have stood in for the lead. In "The Five Doctors", Richard Hurndall played the First Doctor due to William Hartnell's death in 1975; 34 years later David Bradley similarly replaced Hartnell in "Twice Upon a Time". In "Time and the Rani", Sylvester McCoy briefly played the Sixth Doctor during the regeneration sequence, carrying on as the Seventh. For more information, see the list of actors who have played the Doctor. In other media, the Doctor has been played by various other actors, including Peter Cushing in