A college-educated farmer named Joe moves to Walnut Grove with his pregnant wife. He tells the Walnut Grove-area farmers of a new hybrid of corn that would produce good crops, to which the farmers are very enthused. They decide to buy some of this new seed. While on the way back to Walnut Grove with the seed, Joe gets into an accident, as the farmers wait for his return.
Elenco: Melissa Gilbert , Michael Landon , Lindsay Greenbush , Sidney Greenbush , Melissa Sue Anderson , Richard Bull , Jonathan Gilbert , Kevin Hagen , Matthew Laborteaux , Dean Butler , Dabbs Greer , Karen Grassle , Katherine MacGregor , Ruth Foster .