Great Bear Stakeout watches the every move of a population of grizzly bears.
The technology used to film this stunning series helped gather some incredible images.
With those unmistakable black eyes and ears, pandas are the face of wildlife conservation.
The bears are in danger when hunters move into the forest.
Before Gordon can start filming he faces a major challenge - to earn the bears' trust.
Polar bears are the largest land carnivores on Earth.