Doctor Who
The Mutants, Part Four
Season 9, Episode 18 · Aired 1972-04-29
Synopsis
The Doctor and his friends are led to safety by Professor Sondergaard, who tries to help the Doctor translate the tablets.
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