First air date: Sep 11, 1976
Episode duration: 00h 30m
Rating: (5.2) based on 6 votes
Status: Ended Seasons: 1
Episodes: 16
Starring: John Stephenson, Don Messick
Created by: Joseph Barbera, William Hanna
Genre: Animation Trailer
Mumbly dresses in a trench coat, drives a beat-up old car and works with a human detective, Chief Schnooker, to catch criminals using his dog senses.
