Episode 1
In California, brave technicians work at extreme heights to keep a tramway safe for tourists; crews race against the clock to replace a corroded rail at the Montreal Metro.
Episode 2
In the Netherlands, engineers battle encroaching seawater on storm surge barriers that protect the country from deadly floods; divers risk their lives to save a flood-ravaged community near Montreal.
Episode 3
Crews wage a battle against moisture at the world's only rotating boat-lift, the Falkirk Wheel; in Blackpool, UK, technicians must fix a roller coaster's broken track before opening.
Episode 4
At a hydro station in Niagara Falls, engineers struggle to solve an issue with a faulty power-generator; lighting techs attempt a risky fix 45 stories above the Las Vegas strip.
Episode 5
In Oregon, specialized divers remove contaminates from a massive drinking water system; crews upgrade a communications tower to keep Atlantic Canada connected.
Episode 6
Technicians battle the elements to keep the country's longest bridge open; specialists work in claustrophobic conditions to keep massive wind turbines rotating.
Episode 7
As forest fires rage in Northern Manitoba, aircraft engineers at a remote airstrip struggle to keep water bombers flying; mechanics race to get a fleet of helicopters safe to pluck workers from platforms hundreds of kilometers offshore.
Episode 8
A crew of mariners dredge the bottom of the St. Lawrence River. A crew in the Canadian Maritimes overhauls a passenger ferry before it becomes unsafe.
