| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S12E01 | Episode 1 |
September 7, 1990
BBC One
|
60 | |
| S12E02 | Episode 2 |
September 14, 1990
BBC One
|
60 | |
| S12E03 | Episode 3 |
September 21, 1990
BBC One
|
60 | |
| S12E04 | Episode 4 |
September 28, 1990
BBC One
|
60 | |
| S12E05 | Episode 5 |
October 5, 1990
BBC One
|
60 | |
| S12E06 | Episode 6 |
October 12, 1990
BBC One
|
60 | |
| S12E07 | Episode 7 |
October 19, 1990
BBC One
|
60 | |
| S12E08 | Episode 8 |
October 26, 1990
BBC One
|
60 | |
| S12E09 | Episode 9 |
November 2, 1990
BBC One
|
60 | |
| S12E10 | Episode 10 |
November 9, 1990
BBC One
|
60 | |
| S12E11 | Episode 11 |
November 16, 1990
BBC One
|
60 | |
| S12E12 | Episode 12 |
November 30, 1990
BBC One
|
60 | |
| S12E13 | Episode 13 |
December 7, 1990
BBC One
|
60 | |
| S12E14 |
Christmas Special
season finale
|
December 25, 1990
BBC One
|
60 |
No artwork of this type.
No artwork of this type.