Albert Quinn Ingalls wants to be a doctor. But soon he discovers that he is fatally ill. He decides to spend the rest of his life in Walnut Grove. Meanwhile children from school are preparing for their traditional climbing of the mountain.

Melissa Gilbert
as Laura Ingalls Wilder

Dean Butler
as Almanzo Wilder

Richard Bull
as Nels Oleson

Victor French
as Isaiah Edwards

Kevin Hagen
as Dr. Hiram Baker

Dabbs Greer
as Rev. Robert Alden

Jonathan Gilbert
as Willie Oleson

Allison Balson
as Nancy Oleson

Stan Ivar
as John Carter

Pamela Roylance
as Sarah Carter