Episode 1
Every fall in the northern Pacific, up to a million salmon migrate back to the rivers and streams where they were born to spawn.
Episode 2
The crew heads inland to a section of the river to observe the many different families as they fish.
Episode 3
During a lull in bear and salmon activity, Casey and the crew decide to head inland in search of the spawning fish.
Episode 4
After seeing a wolf in the distance and tracks on the shore, the crew head inland in search of more clues to the wolf's whereabouts.
Episode 5
Casey and the crew go out in search of the family of the lost cub from the previous night.
Episode 6
Casey and his crew wander the tidal flats and interior of Katmai and find the bones of a humpback whale that washed ashore.