Centennial

시즌 2, 에피소드 20: Everyone in Walnut Grove is excited about the upcoming 100th birthday of the United States of America, and to commemorate the occasion, the town is planning a community picnic, complete with games, fireworks, and a brand-new flagpole. Unfortunately, everyone's spirits plummet in the wake of a drastic tax increase, which creates problems for hard-working families like the Ingalls.