Doctor Who
Terror of the Zygons, Part Four
Season 13, Episode 4 · Aired 1975-09-20
Synopsis
UNIT attempt to track down the Zygon ship while Broton prepares to have the Skarasen attack London.
In the series
This episode is part of Doctor Who (1963–) on BBC.
A time-traveling renegade in a police box — regeneration as infinite franchise life.
Key cast
- William Hartnell as The First Doctor
- Patrick Troughton as The Second Doctor
- Jon Pertwee as The Third Doctor