One of the Elephants is Missing Details Casts Videos Galleries Posters Season Lists Title One of the Elephants is Missing Genres Animation Action & Adventure Comedy Crime Kids Mystery Release Date 1976-11-06 Episode Runtime 00 Hours 22 Minutes Season Number 1 Episode Number 13 Production Companies Hanna-Barbera Productions Bob Hastings... D.D.... Paul Winchell... Woofer... John Stephenson... Sheriff Bagley... Tara Talboy... Dottie... Jim MacGeorge... Whimper... Patricia Stich... Pepper... David Jolliffe... Larry... Clue Club 1976 Intro Opening (Trailer) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (680x1000) Original Size (700x1000) Original Size (500x750) Original Size (680x1000) Season 1 16 Episode(s) 1976-08-14