Stephen Morris uses science to examine everyday mysteries.

Robot legends put it all on the line for a shot at the championship.

Fan favorites Yeti and Witch Doctor face off in a world-class fight.

BattleBots legends Hypershock and Bite Force face off in an epic showdown.

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.

Adrenaline-seeking repo men chase planes for big dollars across America.

Kevin finds himself at the mercy of a vengeful mechanic and a windy night.

The repo men face menacing mechanics, dangerous swamps and armed cops.

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 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.