USA,
2006, 4 h 15 min
(Length: 41–43 min)
Episodes(6)
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Super Stadium (S04E01)
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Mega Tunnel (S04E02)
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Biggest Warship (S04E03)
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Sakhalin Oil & Ice (S04E04)
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Big Easy Rebuild (S04E05)
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Space Tower (S04E06)
Gallery (7)
Photo © Discovery Networks
![Extreme Engineering - Season 4 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/437/159437734_d5b220.jpg)
Photo © Discovery Networks
![Extreme Engineering - Season 4 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/437/159437735_613f5e.jpg)
Photo © Discovery Networks
![Extreme Engineering - Season 4 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/437/159437737_f718f0.jpg)
Photo © Discovery Networks
![Extreme Engineering - Season 4 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/437/159437739_ab6134.jpg)
Photo © Discovery Networks
![Extreme Engineering - Season 4 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/437/159437740_709a48.jpg)
Photo © Discovery Networks
![Extreme Engineering - Season 4 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/437/159437736_5ab83d.jpg)
Photo © Discovery Networks
![Extreme Engineering - Season 4 - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/437/159437738_72c0c1.jpg)