Created by Michael Landon Toilet on the Moor in the 1970s. He based the series on the books of Laura Ingalls Wilder, who reported on rural life in the 1870s. The family features stars catapulted Karen Grassle, Melissa Gilbert, and Jason Bateman to fame while on air.
In 2014, Grassle talked about being one of the adult female directors on the set of the series.
Karen Grassle was tense with Michael Landon during ‘Little House on the Prairie’
For nine seasons of Toilet on the Moor, Grassle played Caroline “Ma” Ingalls. The role gave the stage actor a household name as the show’s popularity grew. Grassle also worked closely with Landon, who played her husband, Charles Ingalls.
Shortly after his final round Toilet on the Moor scene, Swenson died of a heart attack. The program about his character’s death came out several days later.
“He was a very capable man,” Grassle said of Swenson. “And he always liked me when he came in.