Little House on the Prairie Season 4 Episode 21 - I'll Be Waving as You Drive Away (1)

Airdate: 1978-Mar-06

Episode summary:

Long hours studying by candlelight for the state teacher's exam results in tired, blurry eyes for Mary Ingalls, prompting a routine visit to the eye doctor; but when Charles is told that Mary's worsening sight is just the beginning of a much more serious problem, the concerned father can't bring himself to tell his beloved daughter that she will, most certainly, soon be completely blind.

About Little House on the Prairie series:

The life and adventures of the Ingalls family in the 19th century American West.