Christmas Flintstone(1964)

Christmas Flintstone is a holiday animated film that follows Fred as he takes on a seasonal job as a department store Santa to earn extra money. His natural talent for the role catches the attention of the real Santa Claus, who is too ill to deliver presents on Christmas Eve and asks Fred to step in. Fred agrees and sets out on the magical journey, but in the chaos of the night he accidentally skips his own house. When he returns home, Fred discovers that Santa has already ensured his family received their gifts, delivering a heartwarming reminder about the spirit of giving and kindness that defines the season.