| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S01E01 | Shelter from the Black of Night |
August 4, 2010
|
15 | |
| S01E02 | A Cave Once Untouched |
August 4, 2010
|
15 | |
| S01E03 | Xpanding the X-Cave |
August 5, 2010
|
15 | |
| S01E04 | The Outer Fort of the X-Cave |
August 6, 2010
|
15 | |
| S01E05 | The X-Cave Deepens |
August 6, 2010
|
15 | |
| S01E06 | Breakthrough |
August 6, 2010
|
12 | |
| S01E07 | Preparing for the Journey Down |
August 7, 2010
|
15 | |
| S01E08 | A Sunroof and Leather Armor |
August 7, 2010
|
15 | |
| S01E09 | The Mountaintop Station |
August 7, 2010
|
15 | |
| S01E10 | Home is Just a Day Away |
August 7, 2010
|
17 | |
| S01E11 | Arrow Wounds for an Egg |
August 8, 2010
|
15 | |
| S01E12 | Of Water and Stone |
August 8, 2010
|
15 | |
| S01E13 | Greenhouse Foundation |
August 8, 2010
|
15 | |
| S01E14 | Constructing the Greenhouse of Harmony |
August 9, 2010
|
15 | |
| S01E15 |
The X-System
series finale
|
August 10, 2010
|
5 |
No artwork of this type.
No artwork of this type.
No artwork of this type.