Johnny Cash and June Carter Cash guest starred in the third season premiere of the long-running adaptation of Laura Ingalls Wilder’s beloved book series, as a couple who take in Walnut Grove’s beloved Rev. Alden after he’s injured while traveling to raise money for his parish. Cash’s ex-con character, Caleb Hodgekiss, plans on continuing the reverend’s work and taking the money for himself – but the people of the Minnesota town cause him to have a profound change of heart.