Laura begins to feel jealous when her father spends a lot of time helping Albert raise a new calf, causing Albert to run away.
Shocked at Walnut Grove's condition, the returning Ingalls, Garveys and Olesons try to convince the founder (Karl Swenson) it can be saved.
Caroline and Charles are devastated when they find out that Mary's sight is deteriorating and cannot bear to tell her the truth.
Pregnant Caroline worries Charles will be disappointed if her baby is a girl.
News of Charles' inheritance from a wealthy relative prompts townspeople to suggest uses for the money.
Charles helps Mr. Oleson's unloved nephew learn values by hiring him for odd jobs.
Laura finds a bottle bearing a message floating downstream, then another containing an infant's picture.
Caroline recalls her first meeting with Charles when he is late for their wedding anniversary celebration.
The Ingalls struggle with limited funds as they decide on Christmas gifts.
Laura wants to impress a newly discovered old buddy Charles and Jonathan try to start a freight line, which leads them further away from home.
An American Indian boy arrives in town seeking medical help for his ailing father. With Michael Landon and Karen Grassle.
Adam and Luke Simms move to Walnut Grove Luke falls in love with Nellie but she has reservations about him.
Mary plans to meet a shy suitor at the Mankato Fair, until she encounters his charming balloonist boss.
Charles take Jonathan's place in a bout with an aging fighter (Moses Gunn), but victory dims when Charles realizes the boxer is badly injured.
Jonathan Garvey's barn burns down leaving the family with no means of support, but Jonathan is angry when his wife takes a job at the post office.
Mary (Melissa Sue Anderson) is held hostage by the outlaw Jesse James (guest star Dennis Rucker). With Michael Landon, Karen Grassle and Melissa Gilbert.
Charles and Mary (Michael Landon, Melissa Sue Anderson) take their first trip to Chicago. With Karen Grassle and Melissa Gilbert.
A lonely elderly woman tries to settle in Walnut Grove. With Michael Landon, Karen Grassle, Melissa Sue Anderson and Melissa Gilbert.
Charles (Michael Landon) regrets uprooting his family to the camps until he gets gold fever. With Karen Grassle, Melissa Sue Anderson and Melissa Gilbert.
When heavy rains make it impossible to plant their crops, the Ingalls and Edwards families head west to search for gold.