In twelve short segments Wegman's dog, Fay Ray, introduces us to the subtleties of grammar, mathematics, time-telling, and differentiation, in true Sesame Street style.

William Wegman Sesame Street Segments, 1989 includes the following pieces: Fay On and Off; Fay On and Under Rug; Muybridge; Listening; 4 Balls - Addition; 4 Balls - Subtraction; 3 Balls - Subtraction; 3 Balls - Addition; Zero; 3 Blue Balls/One White; Dog O'Clock; Guessing Game 1; Guessing Game 2; Fay On and Under Stool