Kallik, Lusa, Toklo, and Ujarak unite and begin their journey to discover what it means to be a bear in the wilderness, and when they gather near a remote lake to learn from their elders, they learn that one of their group is in danger, as not all bears have the best intentions.

Despite their misgivings about the many dangers that lie ahead, the bears venture out onto the Everlasting Ice and learn of their final destination with the help of a mystical bear spirit.

When the bears learn of the legendary Last Great Wilderness, a fabled bear paradise, they believe that this must be their ultimate destination.

Trapped on a remote Washington island with their dreams out of reach, two sisters clash when a mysterious bear arrives swimming in the channel, forcing them to confront their conflicting desires for escape and connection.

Sister Bear, nervous about entering kindergarten, overcomes her fears when she discovers that school is really fun.

As Valentine's Day approaches, Sister hopes for more attention from one boy and less from another.

The Bear family goes on a roller coaster ride.

Papa Bear makes it clear to his family that he does not believe in celebrating Fathers' Day, then changes his opinion but fears it may be too late for any special treatment.

Lonely without friends her age to play with, Sister Bear is delighted when a new little girl cub moves into the house down the road.

A little bear tries his hand as a chimney sweep, gets a job washing barrels in a marmelade factory, and even becomes the hero of a cricket game.