Sean Riley, a heavy-duty rigging and load-bearing expert, stars in this National Geographic Channel series that debuted September 28, 2008. Each episode follows Riley as he teams up with specialized engineers to tackle dangerous repairs and renovations on enormous equipment. The first season ran eight episodes starting September 26, 2008, followed by an eight-episode second season on June 4, 2009. A seven-episode third season began May 6, 2010, and a fourth season launched September 30, 2010. The first season DVD includes ten episodes, with two from season two; the second season DVD features eleven episodes, five from season three.
