Undefeated Hypershock looks to take down the reigning champ, Bite Force.

In the Main Event, Rotator and Death Roll compete in the BattleBox.

Hydra and Bronco fight for the title of greatest flipper in the world.

Director Su Rynard captures images of birds in flight.

Cameras capture hidden details of the cosmos and living things on Earth.

A physicist unravels how a snowflake is formed.

An exploration of the wondrous role of the mosquito in the web of life.

Stephen Morris uses science to examine everyday mysteries.

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 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.