Doctor Who
The Power of Kroll, Part Four
Season 16, Episode 20 · Aired 1979-01-13
Synopsis
The Doctor races to stop Thawn from destroying the Swampie settlement and then works to destroy Kroll once and for all.
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