The TARDIS picks up a distress call and the Doctor and Sarah arrive on the planet Zeta Minor. There they discover that a Morestran geological expedition has fallen prey to an unseen killer and only the leader, Professor Sorenson, remains alive.
Story Order
- Story 81 from Doctor Who
- Story 2 of 6 from Season 13
Episodes
Saturday
27th September 1975
5:45PM
BBC 1 (24 mins)
The TARDIS takes the Doctor and Sarah to the planet Zeta Minor on the edge of the universe.
Saturday
4th October 1975
5:45PM
BBC 1 (22 mins)
The Doctor and Sarah are held responsible for the deaths on Zeta Minor.
Saturday
11th October 1975
6:05PM
BBC 1 (23 mins)
Lost in the universe of antimatter, the Doctor communes with the creature and makes a bargain.
Saturday
18th October 1975
5:45PM
BBC 1 (23 mins)
Unable to escape, the Morestran probe is being pulled back to the surface of Zeta Minor.
Credits
- Doctor WhoTom Baker
- Sarah Jane SmithElisabeth Sladen
- SorensonFrederick Jaeger
- VishinskyEwen Solon
- SalamarPrentis Hancock
- De HaanGraham Weston
- PontiLouis Mahoney
- MorelliMichael Wisher
- BraunTerence Brook
- BaldwinTony McEwan
- O'HaraHaydn Wood
- ReigMelvyn Bedford