As Laura runs out of the classroom after being propositioned, a Pepsi can can be seen under one of the chairs to the left of the aisle.
When Eliza Jane asks Laura if she believes in love at first sight, Laura hesitates before saying, "I suppose." In Season 6's "Back to School", she takes one look at Almanzo and immediately knows she will marry him one day.
The front of the locomotive is stamped with the name Baldwin Locomotive Works, which operated in Philadelphia from 1825 to 1951.