Beethoven's 4th was released to Amazon Video on 2009-08-11.
Director: David M. Evans
Cast: Judge Reinhold, Julia Sweeney, Joe Pichler, Michaela Gallo, and Kaleigh Krish
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.