| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | No End in Sight - Part 1 |
April 23, 2014
Discovery
|
45 | |
| S04E02 | No End in Sight - Part 2 |
April 30, 2014
Discovery
|
45 | |
| S04E03 | Deadly Dunes |
May 7, 2014
Discovery
|
45 | |
| S04E04 | Glacial Downfall |
May 14, 2014
Discovery
|
45 | |
| S04E05 | Journey's End to a New Beginning |
May 21, 2014
Discovery
|
45 | |
| S04E06 | No Man Is an Island |
May 28, 2014
Discovery
|
45 | |
| S04E07 | Mayan Mayhem |
June 4, 2014
Discovery
|
45 | |
| S04E08 | On the Edge |
June 11, 2014
Discovery
|
45 | |
| S04E09 | End of the Road |
June 18, 2014
Discovery
|
45 | |
| S04E10 |
One Shot, One Kill
season finale
|
June 25, 2014
Discovery
|
45 |
No artwork of this type.
No artwork of this type.