The Super Mario Bros. Super Show! (1989)

S01E36 Koopa Klaus

When the sinister Koopa Claus (Bah Humkoop!) plots to ruin Christmas, the Mario brothers spring into action to save the holiday. Along the way, Toad discovers the genuine meaning of generosity and the joy of giving. With teamwork and courage, the Marios confront the villainous Koopa Claus to ensure that the festive spirit prevails, reminding everyone that the essence of Christmas lies in kindness and sharing.