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

Outside the Bear's tree house, there is much stretching and yawning and settling down. But inside the house, lights are ablaze, the television is aglow, and playthings carpet the carpet. The scene is set: the bedtime battle is about to begin.

When Brother's class studies birds, the citizens of Bear Country end up choosing sides in a battle between environmentalists and those who want to cut down the trees in Birder's Woods to build houses.

Even though they are not into "rad" fashions, Brother Bear and Sister Bear join the other cubs' protest when Mr. Grizzmeyer enforces a strict dress code at Bear Country School.

Bothered by the fact that boys and girls are treated differently in the extracurricular activities at Bear Country School, Queenie McBear decides to get some changes made.

Sister Bear interviews her grandmother for a school assignment, Gran decides to enter her old vaudeville act in the school talent show, and Gramps moves into the garden shed.

Big Brother helps Milton Chubb, a huge new cub, deal with the school bully and make friends with Bertha Broom, but then Milton and Bertha must meet in a match for a spot on the school's wrestling team.

The new cub in Sister Bear's second grade class looks and acts so strange that Sister avoids him when he tries to make friends.

When an increase in rudeness and aggressive behavior is noticed at Bear Country School, teachers and parents decide that something must be done.

The Berenstain Bears learn about homework, report cards, playground bullies, and more.