Alaska: The Last Frontier Exposed - Season 4

Atz Lee struggles with recovery; Eivin and Jane search for food for their families; the rush to finish the fall harvest endangers the Kilchers.

Otto and Charlotte try to spruce up their home; Atz Lee works on his recovery; meeting the newest member of the Kilcher family.

As winter hits, things get serious on the homestead; the Kilchers increase machine and manpower to get Shane's house ready; the family hunts for meat for the winter.

Eivin defends his family against freezing temperatures; Otto receives a terrifying house call; Atz Lee's plans for the hunter's cabin are interrupted.

A sudden misstep spells catastrophe for Atz Lee; Atz Sr., Eivin, Shane and Nikos hastily prepare for Atz Lee's return from intensive care; a bad barge leaves Otto and Charlotte stranded.

With insider facts and Frontier Extras; a harsh winter puts the homestead to the test; the Kilchers feel the challenges of weather, wildlife, busted machinery and health scares.

Jane helps Otto and Charlotte repair the earthquake-damaged hay barn; Atz Lee and Atz Sr. get cracking on lumber for the new homestead; Bonnie gets help building her new greenhouse.

The Kilcher way of life becomes threatened like never before; after a massive earthquake stikes the region, the families struggle to fix their homes.

Atz Lee works hard to restore his strength and his mental well-being; Eve and Jane go fishing, but their boat's motor gives out, leaving them dead in the water.

Atz Lee introduces Jane to the site of their future homestead home; Otto works double duty to fix a manure spreader before he has his surgery; behind-the-scenes extras and additional footage.

With Otto recovering from surgery, Levi comes to Alaska to lead the annual Spring cattle drive with Eivin; Otto's unwillingness to step aside puts him in danger; Atz and Atz Lee are forced to test their survival skills in the Alaskan backcountry.

Otto puts his recovery at risk to help save a paralyzed cow; Jane and Atz Lee put their differences aside to prepare for winter; Atz Senior prepares for a very special visitor: his daughter and singer-songwriter, Jewel.

Singer Jewel returns to the homestead with her son and rides out to assist a neighbor; the Kilcher men work to save Shane's cabin; Atz Lee and Jane investigate signs of a bear.

Otto flies a massive greenhouse to a new location using a helicopter; Eve takes on the role of provider and learns a new skill to feed her family; Atz Lee risks his recovery to continue his cabin build alone.