Explore the work of the two men behind a Phoenix-based window washing business, an enterprise that serves some of the highest skyscrapers in Las Vegas. In the first episode, monsoon winds threaten to disrupt their plans, and the duo explain how blistering sun and violent storms make their jobs increasingly dangerous.

The Abseilon USA crew is put to the test when the aviation light at the very top of the Paris Hotel's Eiffel Tower in Las Vegas needs to be inspected and replaced.

In Phoenix, Mike and Martin find themselves faced with cleaning a giant mirror towering almost to the ceiling of the convention centre, but the task might prove to be too difficult.

The team faces the biggest job of its career - cleaning a glass walkway hanging out over the abyss of the Grand Canyon - but it could prove to be a step too far.

Sam continues the daily rounds with the help of Eugene, who has a huge secret in his past, and the time arrives to clean the Grand Canyon glass walkway.