The Lake Kezia Monster

S5 E19: Kezia, an eccentric lady, lives happily in her house outside of Walnut Grove, but when she neglects to pay her taxes, the property is put up for auction. Harriet Oleson, flaunting her wealth, purchases it as a "summer home." She moves into the house with her kids and allows Kezia to stay, only if she agrees to work as a maid. Laura, Albert, and Andy hatch a plan to help Kezia reclaim her home.