John has been appointed to the local draft board. John convinces a young soldier who went AWOL to return to his unit and the boy is subsequently lost when a troop ship is torpedoed. The boy's father wants revenge. Also, there's bad news about John-Boy.
The family members all seem involved in the war effort. John helps with the draft board. A soldier who signed up because of John is killed in the war, and the father wants to take revenge. Bad news about John-Boy.
Rose arrives at the Waltons' home with her grandchildren. The grandchildren always cause trouble and get into mischief on purpose. Jim-Bob and Ike build an air raid siren; Jeffrey finds it and causes trouble.
John has to prove he graduated from high school in order to continue getting contracts and security for government contracts. Mary Ellen becomes the nurse for the mountain folk when Nora is called into the service.
The parents who work at Picket's defense plant leave their children in the parking lot while the parents work. Olivia wants to open a day care in Picket's bar room for the workers. Guess who wins? Ike learns to dance.
Film makers film a documentary at Picket's Plant and make Erin the "star". She thinks she might have a future in movies; one of the assistants gives her the truth. The Baldwin sisters host a dinner for the soldiers. Jason helps.
Ashley Longworth Jr returns to the mountain. He proposes to Erin and she accepts. Problems arise when he says he does not want to be married in a church. Serena (Rose's granddaughter) follows Elizabeth all the time.
A soldier is sending his wife mail, but getting no replies. Olivia looks into it. Finds some something bad happened to the wife. Corabeth Godsey learns she will receive an inheritance. It is not what she expects.
A run (on foot) and ride (on horse) race is being held. Mary Ellen and Erin bet two guys that they will win. Elizabeth becomes a taskmaster in training Mary Ellen and Erin. Jeffrey gets a signed picture from a movie star.
Things begin to disappear from stores and homes as it gets closer to Christmas. Jeffrey meets a friend who is there for him when he needs it. He is the man taking things. On Christmas, he meets the Walton family.
Corabeth tries to sell a book at the store about being a perfect wife. She gives Cindy a book. She tries to follow all the instructions and ends up exhausted. Jeffrey and Serena find a pregnant cat and want to keep her and the kittens.
There is a new teacher at school who is fun and modern. Elizabeth likes her. The teacher is not well, but wants to teach and live. She teaches reproduction and the town is outraged. Cindy and Ben are expecting a baby.
Zadok Walton visits the mountain. He seems eccentric, but turns out he is held in esteem by Boatwright University for his work. He leaves his land to the university. Jason meets Toni, who in later episodes, begins a relationship.
Mamie Balwin has a cataract, but does not want an operation. Their Papa died on an operating table. Grandma goes to the Baldwins and shows them what it is like to be blind. Elizabeth starts seeing Drew.
A former boyfriend and dance partner of Rose's comes to visit. Rose and Stanley Perkins resume their relationship. The open road still calls out to Stanley. Meanwhile, Jeffrey has a new dog who is in the teething stage.