The Doctor and Sarah answer a distress call and find themselves on Zeta Minor, the last planet of the known universe, where a Morestran expedition has gone missing.
Did You Know?
The decision was taken to film the jungle scenes at Ealing Studios using 16mm film instead of building a set in BBC Television Centre and using videotape. This was done on the advice of designer Roger Murray-Leach
, who stated that an alien environment could be better achieved on film instead of on video in a television studio. See more
You and I are scientists, Professor. We buy our privilege to experiment at the cost of total responsibility.