The Grand High Triangle Lover's Success Story

S25, E36: The Grand High Triangle lover shares his admiration for triangles with Telly; Bruce Stringbean and The S. Street Band perform the smash hit, “Barn in the USA;” Kevin Kline and Phoebe Cates sing How Deep Is Your Bathtub ; Bert and Ernie demonstrate “loud” and “quiet,” and Old MacDonald has a farm, but he’s lost his animals! This episode was brought to you by the letter R and the splendid number 17.