on the air and in production until 1986. A cavalcade of H-B Saturday morning cartoons featuring mystery-solving/crime-fighting teenagers with comic pets soon followed, among them Josie and the Pussycats (1970-72), The Funky Phantom (1971-72), Speed Buggy (1973-74), Clue Club (1976-78) and Jabberjaw (1976-77). By 1977, Scooby-Doo was the centerpiece of a two-hour program block