The Kilchers finish Atz Sr.'s legacy rebuild and Eivin suffers a loss.

Pandemic parenting pushes Eve to her breaking point as winter approaches.

Atz Sr. reveals his legacy build after months of backbreaking effort.

The Raney family kicks off the most ambitious rescue ever.

An aerial supply mission faces turbulent skies.

Marty races to complete the walls of the log cabin.

In the season finale, Marty struggles to finish the cliff-top cabin.

Dredgers brave the frigid Alaskan waters hoping to strike gold.

A rainy day leads to trouble when Shawn gets hurt in a bar fight.

Sunny weather brings all dredges out to sea, but conflicts quickly arise.

The Browns complete the main house before a massive wildfire strikes.

A wildfire rages on Palmer Mountain, threatening the Browns livelihoods.

The Browns film their locked-down lives on the mountain before the fire.

E.J. and Jeff are trapped in a pitch-black cavern surrounded by bears.

E.J. and Jeff are surrounded by lions on South Africa’s Wild Coast.

E.J. and Jeff face elephants and hippos in Botswana's Okavango Delta.