Season 3, Episode 5 The Monster of Walnut Grove

First Aired: November 1, 1976

While soaping a window on Halloween, Laura is shocked to see Mr. Oleson apparently beheading his wife with a sword. Michael Landon. Nellie: Alison Arngrim. Carl: Brian Part. Willie: Jonathan Gilbert. Thaddeus Moon: Milton Parson. Mrs. Oleson: Katherine MacGregor.

Watch Now