Little House on the Prairie - Season 6 - Eps 15: Whatever Happened to the Class Of '56?
During a visit to a farmer's convention in Milwaukee, Charles and Caroline meet up with old school mates. Charles learns that larger farmers are trying to put his small farming friends out of business and urges them to stand up for their profession. Meanwhile, Caroline becomes envious about the financial fortunes of their one-time friends, but she soon learns there's more to their success stories than meets the eyes.
About Little House on the Prairie

Title: Little House on the Prairie
First Air Date: 1974-09-11
Last Air Date: 1983-03-20
Status: Ended
Rating: 7.936/10 (from 909 votes)
Language: EN
Seasons: 10
Total Episodes: 204
Network: NBC
Genres: Western, Drama, Family
Production Companies: Worldvision Enterprises, Ed Friendly Productions, NBC, NBC Studios
Synopsis
Little House on the Prairie is an American Western drama television series, starring Michael Landon, Melissa Gilbert, and Karen Grassle, about a family living on a farm in Walnut Grove, Minnesota, in the 1870s and 1880s.
Cast

Melissa Gilbert
Laura Ingalls

Dean Butler
Almanzo James Wilder

Karen Grassle
Caroline Ingalls

Katherine MacGregor
Harriet Oleson

Melissa Sue Anderson
Mary Ingalls

Richard Bull
Nels Oleson

Victor French
Mr. Edwards

Jonathan Gilbert
Willie Oleson

Allison Balson
Nancy Oleson

Lindsay Kennedy
Jeb Carter