The Berenstain Bear Scouts work with Grizzly Gramps and Professor Actual Factual to save Giant Bat Cave from another of Ralph Ripoff's moneymaking schemes.
When Papa Q. Bear plants a special pumpkin seed, he unknowingly becomes part of the evil Weasel McGreed's plot to take over Bear Country, and it is up to the Bear Scouts to save their home.
Annoyed that Sister Bear always beats them at baseball and other "boy" type activities, her brother and other male cubs try to exclude her from their new club.