| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S01E01 | The Castle |
April 2, 1980
ITV1
|
25 | |
| S01E02 | Unwelcome Visitors |
April 9, 1980
ITV1
|
25 | |
| S01E03 | Spies |
April 16, 1980
ITV1
|
25 | |
| S01E04 | Discoveries and Threats |
April 23, 1980
ITV1
|
25 | |
| S01E05 | Pressure |
April 30, 1980
ITV1
|
25 | |
| S01E06 | Departures |
May 7, 1980
ITV1
|
25 | |
| S01E07 |
Conclusions
series finale
|
May 14, 1980
ITV1
|
25 |
No artwork of this type.
No artwork of this type.
No artwork of this type.