| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Screamer |
January 4, 1975
ITV1
|
65 | |
| S04E02 | Nurse Will Make It Better |
January 11, 1975
ITV1
|
65 | |
| S04E03 | Night Is the Time for Killing |
January 18, 1975
ITV1
|
65 | |
| S04E04 | Killer with Two Faces |
January 25, 1975
ITV1
|
65 | |
| S04E05 | A Killer in Every Corner |
February 1, 1975
ITV1
|
65 | |
| S04E06 |
Where the Action Is
season finale
|
February 8, 1975
ITV1
|
65 |
No artwork of this type.
No artwork of this type.