Season 4

Toxic land plagues this Kentucky homestead, so the Raneys must build the Rains family a hillside garden, turn a cave into a goat fortress, and find uncontaminated water deep underground.

Stranded on a cliff in their RV, amputee Jeff Tatsch and wife Carol need a livable home, water, and a place to grow food, so the Raneys build an entire cabin from scratch on solid ground and harness a source of water from a natural spring.

Marty embarks on an ambitious, off-grid hydropower system after Tennessee storms obliterate the Reathifords' power source; Matt creates a meat smoker, but a surprise accident leads to a construction site injury for one of the Raneys.

The Raneys create their first-ever self-automated homestead in the fierce Alaskan wilderness to function while firefighters Kim and Casey Boespflug are away on duty.

A dangerous request from the Smith family in a Missouri flood zone forces the Raneys into the homestead challenge of their lives as they build a dam and plan an entire cabin move; to save the family's business, Matt embarks on a knife shop remodel.

The Raneys must move an entire cabin into the flood zone as Marty's dam is put to the test. A surprise arrival of chicks means Misty needs a clever upgrade for a ravaged chicken coop. And Matt crafts a knife blade in the Smiths' newly improved foundry.

Marty helps Oregon homesteaders April and Mike Kondash build a barn, Misty creates her first-ever subterranean garden, and Matt finds a humane approach to a mysterious predator threat.

Threatened by an approaching wildfire, Stuart & Toni Rinker need a quick solution to their failing Idaho homestead. The Raneys plan to fire-proof the Rinkers' cabin and build a firebreak, but will Stuart's opposition jeopardize success and their lives?