Series 4

8 Jan 1975~50 min/ep

Episodios

1. Vindication

50 min8 Jan 1975

2. Away

50 min15 Jan 1975

3. Bullion

50 min22 Jan 1975

4. Rat Run

50 min29 Jan 1975

5. Asylum

50 min5 Feb 1975

6. Contessa

50 min12 Feb 1975

7. Nemesis

50 min19 Feb 1975

8. Protection

50 min26 Feb 1975