Little House on the Prairie S05 E20 Barn Burner

"Together, a pioneering family faces a crucial test of its courage and its love!"

It all starts when a local farmer, who is hateful and bigoted, refuses to set a fair price for wheat, since black farmers would be entitled to the same price. The whole thing escalates when the farmer assaults Andy and is later accused of setting fire to the Garvey's barn.