The unruly St Bernard finally drives his long-suffering owners over the edge, and when they decide he would be better suited to living on a farm, their children step in and secretly put the dog through obedience classes. However, they are unprepared for the total transformation in his personality. Family comedy sequel, starring Judge Reinhold, Julia Sweeney and Joe Pichler.

The family is pleasantly surprised and puzzled when Beethoven suddenly becomes obedient. Turns out it's a prince and the pauper scenario, with the real Beethoven now living with a pompous rich family.