The New Scooby-Doo Mysteries
S01E01· aired 9/8/1984
Happy Birthday, Scooby-Doo (1)
TMDb10.0
Overview
It is Scooby's birthday and Shaggy, Daphne, and Scrappy Doo pretend to forget when they planned a surprise " Its Your Life " bash for Scooby Doo w/ surprise guests Fred Jones and Velma Dinkley but a creep from a past case crashes for revenge on the gang.