| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S12E01 | Episode 1 |
March 22, 1978
BBC Two
|
30 | |
| S12E02 | Episode 2 |
March 29, 1978
BBC Two
|
30 | |
| S12E03 | Episode 3 |
April 5, 1978
BBC Two
|
30 | |
| S12E04 | Episode 4 |
April 12, 1978
BBC Two
|
30 | |
| S12E05 | Episode 5 |
April 19, 1978
BBC Two
|
30 | |
| S12E06 | Episode 6 |
April 26, 1978
BBC Two
|
30 | |
| S12E07 | Episode 7 |
May 3, 1978
BBC Two
|
30 | |
| S12E08 | Episode 8 |
May 10, 1978
BBC Two
|
30 | |
| S12E09 | Episode 9 |
May 17, 1978
BBC Two
|
30 | |
| S12E10 | Episode 10 |
June 7, 1978
BBC Two
|
30 | |
| S12E11 | Episode 11 |
June 14, 1978
BBC Two
|
30 | |
| S12E12 | Episode 12 |
June 21, 1978
BBC Two
|
30 | |
| S12E13 | Episode 13 |
June 28, 1978
BBC Two
|
30 | |
| S12E14 | Episode 14 |
July 5, 1978
BBC Two
|
30 | |
| S12E15 | Episode 15 |
July 12, 1978
BBC Two
|
30 | |
| S12E16 | Episode 16 |
July 19, 1978
BBC Two
|
30 | |
| S12E17 | Episode 17 |
July 26, 1978
BBC Two
|
30 | |
| S12E18 |
Episode 18
season finale
|
August 2, 1978
BBC Two
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.