| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S12E01 | Episode 1 |
May 20, 1977
BBC One
|
||
| S12E02 | Episode 2 |
May 27, 1977
BBC One
|
||
| S12E03 | Episode 3 |
June 3, 1977
BBC One
|
||
| S12E04 | Episode 4 |
June 10, 1977
BBC One
|
||
| S12E05 | Episode 5 |
June 17, 1977
BBC One
|
||
| S12E06 | Episode 6 |
June 24, 1977
BBC One
|
||
| S12E07 | Episode 7 |
July 1, 1977
BBC One
|
||
| S12E08 | Episode 8 |
July 8, 1977
BBC One
|
||
| S12E09 | Episode 9 |
July 15, 1977
BBC One
|
||
| S12E10 | Episode 10 |
July 22, 1977
BBC One
|
||
| S12E11 |
Episode 11
season finale
|
July 29, 1977
BBC One
|
No artwork of this type.
No artwork of this type.
No artwork of this type.