He Was Only Twelve (2) - S8-E22
Continuity mistake: After James is shot, Charles takes James away from the house because his family is getting upset. He builds an altar. A ladder is on the side where the shelter is. The ladder is gone in subsequent shots.
Laura: I wanted to clean the blackboards extra good today, to make up for being late.
Mary Ingalls Kendall: And talking in class?
Laura: I was not talking.
Mary Ingalls Kendall: You were, too.
Laura: Was not! Nellie was talking and I was answering.
Trivia: Peter Billingsley of "A Christmas Story" plays Gideon in this episode. This was his television debut at age 11.