Early in this episode, Charles announces that there are 100 acres of wheat in the field, which should yield 3500 bushels once harvested. He has Laura and Mary work out how much money that would be at 75¢/bushel, and the answer is $2625.
In the 1976 TV movie "The Loneliest Runner," Lance Kerwin played the younger version of the main character played by Michael Landon.
Melissa Sue Anderson would appear with Lance Kerwin in the pilot episode of James At 15 three years later, in 1977.
In 1985 Melissa Gilbert starred with Lance Kerwin in "Faerie Tale Theatre": The Snow Queen as Gerda and Kay.