Season 1 Episodes
1. The Castle
April 2nd, 1980
The First Episode
2. Unwelcome Visitors
April 9th, 1980
3. Spies
April 16th, 1980
4. Discoveries And Threats
April 23rd, 1980
5. Pressure
April 30th, 1980
6. Departures
May 7th, 1980
7. Conclusions
May 14th, 1980
