1 videodisc (44 min.) : sound, color ; 4 3/4 in polychrome digital optical mixed video file DVD video
Target Audience Note:
MPAA rating: Not rated
Notes:
DVD release of the National Geographic Society program Closed caption DVDs Children's DVDs Senior vice president, television, Tim Kelly ; executive producer, Andrew Carl Wilk ; series producer, Jonathan Grupper ; writers, Kate Youngdahl, Jonathan Grupper DVD Closed captioned for the hearing impaired
