The comedy legend starts his journey via a seaplane in Seattle, where he also meets the last surviving of the three test pilots who flew the original Boeing 747 airliner. He takes the controls of a vintage Douglas DC3 airplane; learns to drive a model T Ford, the car that changed the world; and climbs aboard a vintage timberland steam train – in the shadow of an active volcano.

Sir David Jason is on a journey to discover the machines that made America and changed the world, travelling by plane, train and automobile down the west coast of America. In this episode he takes a unique helicopter ride into the heart of a slumbering volcano, gets into the seat of a drag racing car, takes to the road in an iconic American truck and takes to the skies in a vintage WWII warbird.

In this episode he takes a vintage school bus ride through Oregon to visit the awe-inspiring Crater Lake, goes behind the scenes on a San Francisco cable car, joins up with the legendary Buffalo Soldiers motorcycle club and takes to the air in a vintage Vietnam-era military helicopter.