Mega Machines: Sea Giants

The biggest, most advanced fireboats in the world carry superhero behemoths, using cutting-edge engineering and technology to keep a critical American port safe from deadly fires.

The world's largest and most advanced cruise ship, Harmony of the Seas, races against the clock to board thousands of passengers in Miami, and using new technology, an expert team navigates the behemoth ship through perilous waters.

The toughest and most powerful bucket wheel dredge in the world (the Ellicott Series B2190E salt harvester) must be moved across the world and using the latest tech, an expert team of engineers races against the clock to design, assemble, and ship the epic machine.

The world's toughest naval fleet is put to the test as cutting-edge aircraft carriers, combat ships, and amphibious assault vehicles and their crews undergo challenging warfare exercises.

America's largest river is home to some of the most massive and advanced machines on the planet, and a team of expert engineers uses them to secure the Mississippi's levees and keep its busy boat traffic rolling.

An expert team of heavyweight dredgers is on a mission to create the deepest port on America's east coast in Charleston, South Carolina, and using cutting-edge technology, they dig a harbor that can house the biggest cargo ships in the world.

The world's biggest tidal turbine is a cutting-edge machine that can revolutionize the energy industry, but first, a crew of engineers must use the latest tech to battle dangerous tides and successfully install it in the Bay of Fundy, Nova Scotia, Canada.

New York is home to one of the world's busiest container ports, and using the latest technology and cutting-edge robotics, crews race to load and unload gargantuan ships before time runs out.