Season 6

Almanzo Wilder and his sister Eliza Jane arrive, and Laura falls in love. Albert is officially adopted, tragedy strikes the school for the blind, and Nellie meets her match in Percival Dalton. Season 6 aired on NBC in 1979–80 and has 23 episodes. Pick one below for a full synopsis.

1. 1Back to School (Part 1)First aired September 17, 1979A new teacher comes to Walnut Grove: the prim and proper Eliza Jane Wilder.
2. 2Back to School (Part 2)First aired September 24, 1979Laura is determined to prove she's grown up, and she takes an early exam hoping to impress Almanzo.
3. 3The Family TreeFirst aired October 1, 1979Albert asks Charles to adopt him officially.
4. 4The Third MiracleFirst aired October 8, 1979Laura and Albert start a honey business and outsmart Mrs.
5. 5AnnabelleFirst aired October 15, 1979Nels Oleson is embarrassed to learn that his sister Annabelle, a circus performer billed as the Fat Lady, is coming to town.
6. 6The Preacher Takes a WifeFirst aired October 22, 1979Reverend Alden falls in love with a member of his congregation and marries her.
7. 7The Halloween DreamFirst aired October 29, 1979Laura and Albert take a nap before a Halloween party and share a strange dream.
8. 8The Return of Mr. EdwardsFirst aired November 5, 1979Mr.
9. 9The King Is DeadFirst aired November 12, 1979Jonathan Garvey is tricked into a rigged wrestling match.
10. 10The Faith HealerFirst aired November 19, 1979A traveling faith healer named Danforth comes to Walnut Grove, staging fake miracles and drawing crowds away from Reverend Alden's church.
11. 11Author! Author!First aired November 26, 1979After Caroline's mother dies, her stepfather Frederick decides to write his autobiography.

12. 12Crossed ConnectionsFirst aired December 10, 1979Walnut Grove gets its first telephone, and Mrs.
13. 13The Angry HeartFirst aired December 17, 1979A hard, sullen boy named Tod arrives in Walnut Grove, and trouble follows him everywhere.
14. 14The Werewolf of Walnut GroveFirst aired January 7, 1980A big, mean new student named Bart Slater takes over the schoolyard, bullying the younger children and even defying the teacher.
15. 15What Ever Happened to the Class of '56?First aired January 14, 1980Charles heads to a Grange convention and Caroline travels with him to her school class reunion in Milwaukee.
16. 16Darkness Is My FriendFirst aired January 21, 1980Escaped convicts burst in on Laura and Mary and take them hostage.
17. 17Silent PromisesFirst aired January 28, 1980Laura befriends Daniel, a deaf boy, and patiently teaches him sign language so he can finally communicate with the world.
18. 18May We Make Them ProudFirst aired February 4, 1980Albert sneaks a smoke in the basement of the school for the blind, and a fire breaks out.
19. 19Wilder and WilderFirst aired February 11, 1980Almanzo's younger brother, Perley Day Wilder, comes to Walnut Grove, and he's nothing but trouble.
20. 20Second SpringFirst aired February 18, 1980Tired of Harriet's nagging, Nels takes his goods out on the road as a traveling salesman.
21. 21Sweet SixteenFirst aired February 25, 1980Laura, a little short of sixteen, earns her teaching certificate and takes a post at a school outside town.
22. 22He Loves Me, He Loves Me Not (Part 1)First aired May 5, 1980Almanzo proposes to Laura, but Charles insists that they wait.
23. 23He Loves Me, He Loves Me Not (Part 2)First aired May 12, 1980Almanzo quietly takes a second job so he can keep up with his rent, and the strain makes him seriously ill.