The Tracker's Diary: Bears of Katmai

Salmon migrate back to the rivers and streams where they were born to spawn.

The crew heads inland to a section of the river to observe the many different families as they fish.

During a lull in activity, Casey and the crew decide to head inland in search of the spawning fish.

The crew head inland in search of more clues to the wolf's whereabouts.

Casey and the crew go out in search of the family of the lost cub from the previous night.