While Sandy is hibernating forthe winter, SpongeBob and Pat are fascinated by the snow they see inside theTree Dome and want to play in it. When they try to sneak inside, Sandy warns them in apre-taped video not to disturb a mammal when she’s hibernating. SpongeBob andPat, of course, ignore the warning, play in the snow, wake up Sandy and then have to contend with thesleepwalking and sleeptalking savage beast she's become. When they finally gether back to sleep, they realize the lock to the door is frozen shut and they’llhave to spend the winter there. Freezing, they pluck off all of Sandy’s hair in order tokeep warm and when she wakes up, it's payback time.