As spring approaches, the Kilchers prepare for a potentially devastating wildfire season. But when Covid-19 threatens the homestead and crews are evacuated, the family must come together and adapt like never before.

An unprecedented new chapter kicks off on the homestead as the Kilchers film themselves coping with Alaska's stay-at-home order amid a growing pandemic. Resources must be stretched, homeschooling proves difficult and Atz Lee's PTSD resurfaces.

A runaway stallion unexpectedly threatens the cattle drive.

A flood threatens Kilcher road and Eve struggles to homeschool.

Otto, Charlotte and August find themselves marooned while sailing.

The Kilchers take advantage of high summer's extra daylight to forge ahead.

An earthquake strikes Homer, triggering a tsunami warning and evacuation.

Otto dynamites a reservoir to protect the homestead from wildfires.

The Kilchers kick it into high gear as they prepare for the fall.

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 Kilchers look back on the last decade of their lives homesteading in the Alaskan wilderness. From their first moments on camera to never-before-seen footage, the family relives 10 years of danger, adventure and ingenuity on the last frontier.

The family reflects on moments of friendship and mishaps with animals.

The Kilchers share their most loved homestead recipes.

As fall arrives at the refuge, the animals are on the move.