Atom SmasherSeason 2 : Ep. 8 (46:09)
Columbia River DamSeason 2 : Ep. 7 (46:09)
Solar Power PlantSeason 2 : Ep. 6 (45:54)
Mississippi River BargeSeason 2 : Ep. 5 (45:57)
50-Ton RudderSeason 2 : Ep. 4 (45:59)
Riley Rides RailsExcerpt (04:30)
Riley Freezes His Butt OffExcerpt (04:14)
Dropping 2 Million PoundsExcerpt (05:25)
Slicing up the Bay BridgeExcerpt (02:57)
Snapping Suspension BridgeExcerpt (02:48)| Season:Episode | Title |  | Runtime | Air Date | User Rating | Queue |
| Season 2 |  All | |||||
| 8 | 46:09 | 07/30/2009 | | |||
| 7 | 46:09 | 07/16/2009 | | |||
| 6 | 45:54 | 07/09/2009 | | |||
| 5 | 45:57 | 07/02/2009 | | |||
| 4 | 45:59 | 06/25/2009 | | |||
| 3 | 45:54 | 06/18/2009 | | |||
| 2 | 45:57 | 06/11/2009 | | |||
| Season:Episode | Title | | Type | Runtime | Air Date | User Rating | Queue |
| 4 : 4 | Excerpt | 04:30 | 10/21/2010 | | |||
| 4 : 1 | Excerpt | 04:14 | 09/30/2010 | | |||
| - | Excerpt | 05:25 | 06/24/2010 | | |||
| 3 : 7 | Excerpt | 02:57 | 06/17/2010 | | |||
| 3 : 6 | Excerpt | 03:10 | 06/10/2010 | | |||
| 3 : 4 | Excerpt | 05:25 | 05/27/2010 | | |||
| - | Excerpt | 04:01 | 05/01/2010 | | |||
| - | Excerpt | 05:45 | 05/01/2010 | | |||
| - | Excerpt | 02:48 | 04/24/2010 | | |||
| - | Excerpt | 03:59 | 04/17/2010 | | |||
| - | Excerpt | 04:36 | 07/04/2009 | | |||
| - | Excerpt | 02:41 | 07/01/2009 | | |||
| - | Excerpt | 03:33 | 06/12/2009 | | |||
| - | Excerpt | 05:02 | 06/12/2009 | | |||
| - | Excerpt | 03:26 | 06/12/2009 | |
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