| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Episode 1 |
November 15, 2017
BBC Scotland
|
30 | |
| S04E02 | Episode 2 |
November 22, 2017
BBC Scotland
|
30 | |
| S04E03 | Episode 3 |
November 29, 2017
BBC Scotland
|
30 | |
| S04E04 | Episode 4 |
December 6, 2017
BBC Scotland
|
30 | |
| S04E05 | Episode 5 |
December 13, 2017
BBC Scotland
|
30 | |
| S04E06 |
Episode 6
season finale
|
December 20, 2017
BBC Scotland
|
30 |
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