Visible crew/equipment: As the train is pulling up you can see a car in the reflection in the train window and a man wearing a yellow shirt. Possibly a director or Michael Landon.
Little House on the Prairie (1974)
1 visible crew/equipment mistake in season 9 - chronological order
Continuity mistake: When Mary and Laura dive into the lake to rescue the puppies they have their shoes on. As they are swimming around looking for them they are barefoot. When the get out of the water their shoes are back on.
Albert Quinn Ingalls: Ma, please don't tell me I'm too young to know how I feel.
Caroline: I wasn't going to tell you that, and don't ever raise your voice to me while you live in this house.
The Voice of Tinker Jones - S1-E11
Trivia: Sean Penn is in this episode, albeit with no lines, always wearing the same blue shirt. His father directed this episode.