Watch Clifford the Big Red Dog on PBS KIDS. Designed for children ages 3-7, the Clifford the Big Red Dog tv series is based on the books of the same name.

A big dog has a big birthday this year: Norman Bridwell's beloved Clifford was born in 1962. Bridwell says he was "shocked" when it was accepted for publication.

Emily Elizabeth, Clifford and the gang help Mrs. Clayton deliver invitations to everyone in town by way of their very own Big Red Delivery Service.