Lassie: Joyous Sound (1972) is a Family, Adventure, Action, Drama, TV Movie film that follows sally gets surgery for her hearing. Lassie gets lost after having to hide out in the back of a laundry van. Lassie: Joyous Sound is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.0 out of 10 from 1 votes. Fans of family movies may also want to explore similar titles below.