Byron B. Blackbear and the Scientific Method(1980)

14m
January 1, 1980

Synopsis

This educational science program features the story of Dr. Alfred Clothear and his discovery of how bears know when to sleep for the winter.

Casting et équipe

Détails

Date de sortie
January 1, 1980
Durée
14m
Langue originale
en
Statut
Released