Little House on the Prairie® on Instagram: "Dean Butler (Almanzo Wilder) and Karen Grassle (Caroline Ingalls) reflect on the joy of working with Katherine MacGregor (Harriet Oleson). Karen and Katherine especially loved rehearsing the egg scenes together, moments filled with laughter and fun. These behind the scenes memories are ones we’ll always cherish! 🤎🤎 #LittleHouseOnThePrairie #DeanButler #KarenGrassle #KatherineMacGregor #ClassicTV"

Little House on the Prairie® on Instagram: "Happy Birthday to the unforgettable Katherine MacGregor, who brought unmatched humor and flair to Harriet Oleson on Little House on the Prairie! Do you remember this iconic scene where Harriet is in a tizzy after being pranked by Charles? We’re still laughing and loving her unforgettable moments! 🎭👑 #KatherineMacGregor ⁠ ⁠ #HarrietOleson #LittleHouseOnThePrairie"