When a favorite patient dies, Mary Ellen decides to become a doctor. Meanwhile, the Waltons plan birthday gifts for Jason in France.
A privileged young man discovers that he's in love with his horse trainer's daughter, and though he's promised to another woman, the two lovers elope.
Jonathan and Mark rescue victims trapped in a car, thanks to a helpful dog.
Drysdale and Jane arrive in New York to persuade the Clampetts to return home.
Max, the bionic dog, is kidnapped by foreign agents while Jaime lies helpless in a hospital bed undergoing a bionic checkup. Christopher Knight and Neile Adams guest star.
