The cast of Little House On The Prairie reunited for the first time in 20 years on U.S. breakfast show Today on Wednesday (30Apr14). Melissa Gilbert, Karen Grassle, Melissa Sue Anderson, Lindsay Greenbush, Michael Landon Jr., Dean Butler, Alison Arngrim and Matthew Labyorteaux gathered to celebrate the 40th anniversary of the show which ran from 1974 to 1983 in the U.S. Michael Landon, who played Charles Ingalls on the show, died of pancreatic cancer in 1991.