Robert Merritt Woods

Nursing student Mary Ellen makes a nearly fatal blunder when she misdiagnoses Grandma's illness.

Mary Ellen reconsiders her wedding as her relationship with Dr. Willard deepens; the doctor vanishes with clinic funds.

Mary Ellen announces her engagement to young David Spencer, and after the initial shock, the Waltons join with the entire community to make plans for the big event.A new doctor comes to Walton's Mountain.