| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Episode 1 |
January 1, 2026
BBC One
|
63 | |
| S04E02 | Episode 2 |
January 2, 2026
BBC One
|
63 | |
| S04E03 | Episode 3 |
January 3, 2026
BBC One
|
68 | |
| S04E04 | Episode 4 |
January 7, 2026
BBC One
|
62 | |
| S04E05 | Episode 5 |
January 8, 2026
BBC One
|
63 | |
| S04E06 | Episode 6 |
January 9, 2026
BBC One
|
63 | |
| S04E07 | Episode 7 |
January 14, 2026
BBC One
|
63 | |
| S04E08 | Episode 8 |
January 15, 2026
BBC One
|
59 | |
| S04E09 | Episode 9 |
January 16, 2026
BBC One
|
59 | |
| S04E10 | Episode 10 |
January 21, 2026
BBC One
|
||
| S04E11 | Episode 11 |
January 22, 2026
BBC One
|
||
| S04E12 |
Episode 12
season finale
|
January 23, 2026
BBC One
|
No artwork of this type.
No artwork of this type.