| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S05E01 | Episode 1 |
October 23, 2017
National Geographic (UK)
|
22 | |
| S05E02 | Episode 2 |
October 16, 2017
National Geographic (UK)
|
22 | |
| S05E03 | Episode 3 |
October 2, 2017
National Geographic (UK)
|
22 | |
| S05E04 | Episode 4 |
April 25, 2018
National Geographic
|
22 | |
| S05E05 | Episode 5 |
October 16, 2017
National Geographic (UK)
|
22 | |
| S05E06 | Episode 6 |
October 9, 2017
National Geographic (UK)
|
22 | |
| S05E07 | Episode 7 |
September 25, 2017
National Geographic (UK)
|
22 | |
| S05E08 | Episode 8 |
May 2, 2018
National Geographic
|
22 | |
| S05E09 | Episode 9 |
September 25, 2017
National Geographic (UK)
|
22 | |
| S05E10 | Episode 10 |
October 2, 2017
National Geographic (UK)
|
22 | |
| S05E11 | Episode 11 |
May 9, 2018
National Geographic
|
22 | |
| S05E12 |
Episode 12
mid-season finale
|
October 23, 2017
National Geographic (UK)
|
22 | |
| S05E13 |
Episode 13
season finale
|
May 23, 2018
National Geographic
|
22 | |
| S05E14 | Episode 14 |
May 16, 2018
National Geographic
|
22 | |
| S05E15 | Episode 15 |
May 9, 2018
National Geographic
|
22 | |
| S05E16 | Episode 16 |
October 9, 2017
National Geographic (UK)
|
22 | |
| S05E17 | Episode 17 |
May 2, 2018
National Geographic
|
22 | |
| S05E18 | Episode 18 |
April 25, 2018
National Geographic
|
22 | |
| S05E19 | Episode 19 |
May 23, 2018
National Geographic
|
22 | |
| S05E20 |
Episode 20
season finale
|
May 16, 2018
National Geographic
|
22 |
No artwork of this type.
No artwork of this type.
No artwork of this type.