Episode: 135 | Aired: September 22, 1980
Almanzo is duped out of a large sum of money. He postpones the wedding until he recoups his losses. In spite of Almanzos protests, Laura accepts a new teaching job.
Episode: 136 | Aired: September 29, 1980
Laura and Almanzo patch up their differences and finally marry at the school for the blind.
Episode: 137 | Aired: October 06, 1980
Theres a new sheriff in town! Jonathan wears the badge in Sleepy Eye.
Episode: 138 | Aired: October 13, 1980
The new football coach in Walnut Grove is a football hero. In his push to win at all costs, he puts Albert in harms way.
Episode: 141 | Aired: November 10, 1980
Laura leaves Almanzo after believing he's having an affair with one of her friends.
Episode: 144 | Aired: December 01, 1980
When Adam regains his eyesight, Mary fears that he may want to leave her.
Episode: 145 | Aired: December 08, 1980
Hoping to win a scholarship, Adam leaves town to take a test. While away, he's physically attacked and comes down with a severe fever.
Episode: 146 | Aired: January 05, 1981
Fair property rights for the married women of Walnut Grove are the center of attention. While Mrs. Oleson gathers the women to fight for the cause, the men are not enthusiastic. After the wives stage a protest, the men end up agreeing with the proposed referendum.
Episode: 148 | Aired: January 19, 1981
Laura and Almanzo are overwhelmed with babysitting Almanzos nephews while his brother takes a vacation.
Episode: 149 | Aired: January 26, 1981
Though Hester-Sue is engaged to another man, Joe Hagen falls for her after he moves to Sleepy Eye.
Episode: 150 | Aired: February 02, 1981
Mrs. Oleson becomes the new teacher after Laura quits in protest of Mrs. Oleson's demands.
Episode: 153 | Aired: February 23, 1981
Mary and Adam return to Walnut Grove. Adam begins to practice law and is emotionally torn over his first case.
Episode: 154 | Aired: March 02, 1981
Laura announces her first pregnancy, and Caroline believes that shes expecting too.
Episode: 155 | Aired: May 04, 1981
Charles brings home Cassandra and James, two recently orphaned children.