Albert becomes an apprentice for a craftsman who is Jewish. His classmates accuse him of being a Jew-lover and Laura is embarrassed because they accuse her when she tells them to quit picking on Albert. Albert learns to take pride in his work and when Mr. Isaac Singerman dies at the end of the summer, Albert follows his way of planting an acorn to grow a tree to repay the earth for the one he used in his carpentry.
Laura Ingalls is horrified to witness the fall from a tree that blinds her friend, Jordan Harrison, while he's performing a circus stunt. But when she finds out that Jordan's sight has returned, Laura must decide whether it's right when he asks her to keep it a secret, especially after Jordan tells her that his parents' concern for him appears to have brought them back from the brink of divorce.
Charles and Jonathan are picking up a freight delivery for Mr. Olesen when they bump into Toby Noe, an old friend from Winoka. Charles convinces him to come visit them in Walnut Grove. Toby comes to visit. He goes to church with the Ingalls the next day and when he's greeting people at the door, Rev. Alden tells Charles they need to have a meeting to find someone who can play their new organ instead of Harriet. Toby can play, so he agrees to play that very morning. Unfortunately, he's a spirited player and Miss Amanda Cooper fusses at Rev. Alden for that '...
Adam Kendall is more than a little surprised when wife Mary's letter to his estranged father announcing her pregnancy brings the man to Walnut Grove. But it soon appears that the anticipation of a sighted grandson and not a change of heart towards his blind son may be the reason for the elder Kendall's visit.
Kezia doesn't believe in paying property taxes, and it isn't long before Mrs. Oleson decides to foreclose on the property and purchase it for herself as the family's vacation home. Nels objects to the purchase, knowing she had acquired it unfairly and that Kezia would have no place to go, but Mrs. Oleson responds by moving herself and Nellie and Willie to the lakeside property. Mrs. Oleson, in a show of pity, hires Kezia to be their servant and forces her to live in the shack. Laura, Albert and Andy watch from afar and are disgusted at how cruelly the three Olesons ...
Jonathan loses his cool at Judd Larrabee for not keeping his word about not changing their prices when someone comes along to buy grain from them. Later Larrabee goes to Jonathan's to get back but finds his son, Andy and attacks him. Andy goes to his father and they go back home and they find their barn on fire. They think Larrabee did it so they go and arrest him. He's brought to trial. Larrabee claims what happened to Andy was an accident and that he didn't burn the barn.
Hoping for a miracle, Charles takes Mary to a specialist in Mankato to find out if the light she has been seeing means that her sight may be returning, while husband Adam worries that she won't need him anymore, and an excited Laura enlists Albert's help to fix up an abandoned cabin to serve as the Kendalls' new home.
While out of town to buy horses, Charles Ingalls boards with Brett Harper, a man who is emotionally withdrawn from his unhappy family and trying to lose himself in work and whiskey, blaming himself for the accidental death of his oldest son in a riding accident four years earlier.
Talented young painter Dylan Whitaker promised his dying father that he would some day see the ocean he loves to put on canvas; but "some day" comes too soon when Dylan is diagnosed with incurable leukemia and, to keep his promise, he and his concerned friends, Laura and Albert, sneak away from Walnut Grove to hop a railroad freight car bound for the California coast.
The sixth-season begins with several new stories. First, there's the arrival of new teacher Eliza Jane Wilder and her handsome brother, Almanzo. Rivals Laura and Nellie have their eye on the 25-year-old New York native, and are determined to do anything to snare him. Mrs. Oleson, meanwhile, gives recent Walnut School graduate Nellie her own business: A hotel and restaurant in her name!
A school project on genealogy leads Albert to confront his dark past. As the Ingalls help Albert with the project, Charles and Caroline decide to adopt the young lad. Then, Albert's biological father Mr. Quinn shows up.
During a trip to a teaching awards ceremony in Minneapolis, the stagecoach that Adam, Mary and a pregnant woman named Marge are riding in is involved in a rollover accident. Mary is the only one who is able to free herself and is left to rely on her own wits to find help. Meanwhile, Laura and Albert give Nellie and Mrs. Oleson quite a buzz when the Ingalls' youths offer a hive of bees to their honey- and money-hungry rivals ... not telling them they are really hornets!
Nels becomes apprehensive when he learns that a traveling circus - in which his estranged sister, an obese woman named Annabelle, is one of the stars - is coming to Walnut Grove. Nels eventually realizes he needs to deal with his insecurities and make amends with Annabelle when he is asked to be the ringmaster.
Rev. Alden creates a stir in Walnut Grove when he falls in love with elderly parishioner Anna Craig. Mrs. Oleson objects to the relationship and gives the good preacher a choice: Either call off the impending marriage or get fired!
When Isaiah Edwards loses his will to live after a crippling logging accident, a letter to Walnut Grove from his worried wife, Grace, brings Charles and Laura back to the big woods to try to help their old friend.
Aging professional wrestler Milo Stavroupolis comes to nearby Mankato to "fight" the locals. Stavroupolis' promoter, the shrewd Jimmy Hart, convinces Jonathan Garvey to fight the old man ... unaware that the fight was "fixed." But there's even more heartbreak ahead, as Stavroupolis is suffering emotionally (and physically) after years of fighting; his beloved wife, Anna (herself desperately ill) has begged him to retire. The old man is convinced by Jonathan to substitute for him in the upcoming championship
On Mrs. Oleson's invitation, the Rev. James Danforth comes to Walnut Grove to give residents his charismatic, fiery style of preaching. The hypnotic Danforth claims to have actually "witnessed" the Word of the Lord and can perform great miracles as a faith healer. He demonstrates his abilities during one of his revivals, restoring sight to a blind person and giving a crippled person the ability to walk. The people are awestruck and soon flock to his services. Rev. Alden, Dr. Baker and Charles have all seen Danforth at work and reject his ministry; in the aftermath, ...
During a trip to Walnut Grove, Caroline's mother passes away. Her father is very grief-stricken, until son-in-law Charles - impressed with his stories about growing up in the Little House in the Big Woods - suggests he publish an autobiography.
When the telephone comes to Walnut Grove, Mrs. Olesen is hired as the switchboard operator. The telephone company is unaware that Mrs. Olesen loves to gossip, and her new job will simply be another means to spread rumors about Walnut Grove's residents. One of the subscribers to the new Walnut Grove exchange is the Garveys. Alice places a call to her mother, in which she learns that her first husband (a hard-drinking, gambling outlaw named Harold) has just been released from prison for robbery. Alice - who has kept this fact from Jonathan - thinks this is a private ...
A 17-year-old budding criminal named Tod Dortmunder is sent to Walnut Grove to live with his grandparents after his mother loses patience with his ill-tempered behavior. His behavior becomes more violent, and when he is caught stealing Charles' watch, the grandparents (in part because they fear for their safety) turn to Charles for help. Charles proves to be the role model Tod never had, and efforts to rehabilitate the lad seem to be working. But even Charles is unaware of some dark secrets from Tod's childhood that don't surface until he destroys the present he gave ...