Appearing in "Skywatch 7 Part One"
Featured Characters:
- UNIT outpost (First appearance)
Villains:
- A Zygon (First appearance) (Impersonates John Campbell)
Other Characters:
Locations:
- Earth-5556 (Doctor Who Universe)
Synopsis for "Skywatch 7 Part One"
The Zygons invade an Arctic monitoring base and clash with UNIT.
Appearing in "Skywatch 7 Part Two"
Featured Characters:
- UNIT
- Captain Hawks (Final appearance)
- Tobey (Final appearance)
- Lederer (Final appearance)
Supporting Characters:
Antagonists:
- A Zygon (Final appearance; dies) (Impersonates John Campbell)
Other Characters:
Locations:
- Earth-5556
- Skywatch-7 outpost
Items:
Vehicles:
Synopsis for "Skywatch 7 Part Two"
UNIT confronts the Zygons in the Arctic.
Appearing in "Doctor Who?"
Featured Characters:
- The Doctor
- Tegan
Locations:
Synopsis for "Doctor Who?"
The Doctor and Tegan land in a farmyard.