| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S12E01 | Episode 1 |
October 27, 2017
BBC One
|
30 | |
| S12E02 | Episode 2 |
November 3, 2017
BBC One
|
30 | |
| S12E03 | Episode 3 |
November 10, 2017
BBC One
|
30 | |
| S12E04 | Episode 4 |
November 24, 2017
BBC One
|
30 | |
| S12E05 | Episode 5 - Guest Dara Ó Briain |
December 1, 2017
BBC One
|
30 | |
| S12E06 | Episode 6 |
December 8, 2017
BBC One
|
30 | |
| S12E07 | Episode 7 |
December 15, 2017
BBC One
|
30 | |
| S12E08 |
Episode 8
season finale
|
December 29, 2017
BBC One
|
30 |
No artwork of this type.
No artwork of this type.
No artwork of this type.