Discover
Mary's failing eyes cause problems with her schoolwork, forcing Charles to seek help.
Original Release
09/17/1975
US Release
09/17/1975
Cast
| Name | Character |
|---|
| Karen Grassle | Caroline Ingalls |
| Melissa Gilbert | Laura Ingalls |
| Melissa Sue Anderson | Mary Ingalls |
| Rachel Lindsay Greenbush | Carrie Ingalls |
| Sidney Greenbush | Carrie Ingalls |
| Katherine MacGregor | Harriet Oleson / Harriet Olson |
| Charlotte Stewart | Eva Beadle |
| Ford Rainey | Dr. Burke |
| Brian Richards | John Stacey |
| Alison Arngrim | Nellie Oleson / Nelly Olson |
Directors
Writers
Blanche Hanalis, Laura Ingalls Wilder, B.W. Sandefur
Cast
| Name | Character |
|---|
| Karen Grassle | Caroline Ingalls |
| Melissa Gilbert | Laura Ingalls |
| Melissa Sue Anderson | Mary Ingalls |
| Rachel Lindsay Greenbush | Carrie Ingalls |
| Sidney Greenbush | Carrie Ingalls |
| Katherine MacGregor | Harriet Oleson / Harriet Olson |
| Charlotte Stewart | Eva Beadle |
| Ford Rainey | Dr. Burke |
| Brian Richards | John Stacey |
| Alison Arngrim | Nellie Oleson / Nelly Olson |
| Jonathan Gilbert | Willie Oleson |
| Tracie Savage | Christy Kennedy |
| Cindy Moore | Tall School Girl |
| Michael Landon | Charles Ingalls |
| Ted Gehring | |
| Victor French | |
| Dabbs Greer | |
| Kevin Hagen | |
| Karl Swenson |
Producers
| Name | Role |
|---|
| Michael Landon | Executive Producer |
| B.W. Sandefur | Producer |
| John Hawkins | Producer |
| Kent McCray | Producer |
