All Seasons

Season 1

• S01E01 The Castle

  • April 2, 1980
  • ITV1

• S01E02 Unwelcome Visitors

  • April 9, 1980
  • ITV1

• S01E03 Spies

  • April 16, 1980
  • ITV1

• S01E04 Discoveries and Threats

  • April 23, 1980
  • ITV1

• S01E05 Pressure

  • April 30, 1980
  • ITV1

• S01E06 Departures

  • May 7, 1980
  • ITV1

• S01E07 Conclusions

  • May 14, 1980
  • ITV1