This smarter-than-the-average ursine debuted on "The Huckleberry Hound Show" in 1958
[DOC] [TLE] The Bear Who Was There at the Start of It All - The New York Times [PAR] Dec 11, 2005 ... From his debut in 1958 on "The Huckleberry Hound Show," Yogi ... an 
opportunity to announce that he was smarter than the average bear.