Brother Bear ends up waking up on the wrong side of the bed and takes it out on Sister Bear. Then they both start to go through a series of arguments and fights.
Papa, Brother, and Sister Bear are skeptical when a skunk moves into the dilapidated burrow, but Mama Bear insists the Berenstain Bear family help the skunk fix up his new home.
Sister's noisy sixth birthday party is considered, "Too Much Birthday", and her sympathetic parents help her realize the true importance of having a birthday.
Sister is playing with the boys and they don't like that. They build a boys only club, then Sister builds a girls only club. Then they get rid of the clubs.
When a new dinosaur bone is missing at the Bear Museum, the Bear Detectives arrive to help Dr. Bear to search for the dinosaur bone, so it can be enjoyed by the angry visitors.
Papa buys from Raffish Ralph "The Secret of the Dancing Bees" book and dons on a bee costume in hopes of extracting Queen Nectar's honey. His plan works and humours the bees but when Ralph tries it, the bees are not impressed.
After Papa Bear explains about the rules with strangers, Brother decides to only talk to strangers with radio-controlled airplanes and Sister is suddenly scared of everything, viewing all strangers as ominous.
With Papa's honey supply missing, Brother, Sister, Cousin Freddy and his dog Snuff do detective work, while Papa does his ineffective searching. It turns out Papa took and ate the honey in his sleep.