Riley heads to a nuclear power plant to watch a high-pressure turbine swap.
Riley joins Aircraft on the Ground team at Charles de Gaulle Airport in Paris to fix a Boeing 767 that has damage to its pressure dome.
Riley joins the people who work on power lines while the electricity is still on.
Riley joins a commercial dive team in a midocean engine swap out on a huge deep-water construction vessel.
A team of engineers moves and cleans a 27-foot, 23-ton, $15 million telescope mirror.
Riley joins a traveling daredevil act to fix a 2,000-foot-high TV tower with a faulty antenna.
Sean Riley
Self
Kathleen Cromley
Producer
John Mernit