Doctor Zoltan Bearish and his gang of swindlers try to pass off fake dinosaur bones in order to embarrass Professor Actual Factual and the Bearsonian Institution.
When Brother Bear and his classmates get laptop computers as a school experiment, they become lost in cyberspace, cruising chat rooms, exchanging email, clicking onto web sites, and neglecting their friends and family.
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.
Brother Bear and his friend Fred get more excitement than they had hoped for when they become involved in the efforts to build an entertainment complex including a wax museum in Beartown.
The cubs at Bear Country School convince Principal Honeycomb to turn the annual musicale into a rock contest, with a famous heavy metal rock star as judge.
Farmer Ben takes a dim view of the cubs' plan to hold a Halloween Festival to help save his floundering family farm, and the situation is complicated when a couple of Ben's dead ancestors show up.