| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S06E01 | Tunnel Vision |
Discovery
|
45 | |
| S06E02 | Extreme Surf Machine |
Discovery
|
45 | |
| S06E03 | Race to the Games |
Discovery
|
45 | |
| S06E04 | Tunneling Through History |
Discovery
|
45 | |
| S06E05 | Quake-Proof Bridge |
Discovery
|
45 | |
| S06E06 | Ice Hotel: Bigger Colder |
February 20, 2012
Discovery
|
||
| S06E07 |
Best Of
season finale
|
Discovery
|
45 |
No artwork of this type.
No artwork of this type.
No artwork of this type.