"A Christmas They Never Forgot" is the third Christmas episode of the NBC drama Little House on the Prairie, originally aired on 21 December 1981 during the show's eighth season.
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Mary, Adam, Hester Sue, and the Wilders all make a special visit to Charles and Caroline's for Christmas Eve. An unrelenting blizzard prevents everyone from heading home after dinner, but they all pass time by recalling Christmases of personal significance in their lives.