Martha Nix

Pregnant Mary wants Adam and his wealthy Bostonian father to mend their relationship through reconciliation.

The children of Walnut Grove idolise an ageing daredevil and endanger themselves by attempting his stunts.

While John-Boy lies in a coma, Olivia accepts a job as a Red Cross volunteer, never losing faith or patience for a sign of his recovery. Rose plans a big Thanksgiving feast.

Olivia's cousin Rose arrives for a visit, bringing her two grandchildren-and problems-with her. Ike and Jim Bob build a huge air raid siren.

Jim-Bob helps a newcomer, the wife of an Air Corps pilot, refurbish an old cabin and finds himself falling hopelessly in love.

Ashley Longworth Jr. returns to ask Erin to marry him, but their plans are disrupted when he confesses to her that he's an atheist.