. "Heathcliff and Marmaduke" . . . . "2" . . . . ")" . . . . . . . . . . . "1982-09-18" . . "Heathcliff and Dingbat" . . . . . . . . . . "1980-10-04" . . "Heathcliff" . . "1800.0" . . . . . . . . "Heathcliff & Marmaduke" . . . . . . . "1980 series" . . . . . . . . . "0173556" . . . "Heathcliff and Dingbat/Heathcliff and Marmaduke" . . . . . "Heathcliff (1980 TV series)" . . . . "animated cartoon" . . "Dingbat and the Creeps" . "The Heathcliff and Dingbat Show" . . . "Heathcliff (1980 TV series)" . "26" . . . . . . . . . . . . "''Heathcliff'' (1980 TV series)" .