Byron B. Blackbear and the Scientific Method
1/1/1980
Imdb: tt1473347
Tmdb: 995388
Popularity: 0.944
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This educational science program features the story of Dr. Alfred Clothear and his discovery of how bears know when to sleep for the winter.
Phillip Schopper
(voice)
Helena Rubinstein
(voice)
John Canemaker
(voice)