Terror of the Zygons [SEP] series
Terror of the Zygons
Terror of the Zygons is the first serial of the 13th season of the British science fiction television series "Doctor Who", which was first broadcast in four weekly parts on BBC1 from 30 August to 20 September 1975. It was the last regular appearance by Ian Marter as companion Harry Sullivan and Nicholas Courtney as Brigadier Lethbridge-Stewart.
The serial is set in and around Loch Ness and in London. In the serial, the alien shapeshifters the Zygons plot to use their cyborg sea monster the
would be.
Episodes Fourth Doctor Season 13 (1975–1976).
During this season, Ian Marter (Harry Sullivan) left after "Terror of the Zygons", but returned for a guest appearance in "The Android Invasion". "Terror of the Zygons" also saw the last semi-regular appearance of Nicholas Courtney (Brigadier Lethbridge-Stewart) who would not return until Season 20 in "Mawdryn Undead".
Episodes Fourth Doctor Season 14 (1976–1977).
Elisabeth Sladen (Sarah Jane Smith) left the series this