| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Episode 1 |
October 26, 1978
BBC One
|
25 | |
| S04E02 | Episode 2 |
November 2, 1978
BBC One
|
25 | |
| S04E03 | Episode 3 |
November 9, 1978
BBC One
|
25 | |
| S04E04 | Episode 4 |
November 16, 1978
BBC One
|
25 | |
| S04E05 | Episode 5 |
November 23, 1978
BBC One
|
25 | |
| S04E06 | Episode 6 |
November 30, 1978
BBC One
|
25 | |
| S04E07 | Episode 7 |
December 7, 1978
BBC One
|
25 | |
| S04E08 |
Episode 8
season finale
|
December 14, 1978
BBC One
|
25 |
No artwork of this type.
No artwork of this type.
No artwork of this type.