Show # 12 Cartoons The Arabian Knights:The Great Grass Beast The Three Musketeers:The Red Duke Micro Ventures:The Dangerous Desert Adventure Serials Danger Island:Episodes 23 & 34 Songs "Toy Piano" Details Casts Galleries Posters Season Lists Title Show # 12 Genres Family Animation Release Date 1968-11-23 Episode Runtime 01 Hours 00 Minutes Season Number 1 Episode Number 12 Production Companies Hanna-Barbera Productions, NBC Paul Winchell... ... Don Messick... ... Daws Butler... ... Robert Towers... ... Allan Melvin... ... Jeff Winkless... ... Original Size (1280x720) Original Size (960x1440) Season 1 19 Episode(s) 1968-09-07 Season 2 18 Episode(s) 1969-09-06