director, Gillian Darling Kovanic ; narration written by Amanda McConnell and Bruce Martin ; produced by Tamarin Productions Inc. in association with the Discovery Channel, USA ... [and others]
an IMAX Natural History Film Unit production in association with the National Geographic Society and IMAX ; producer, Sally Dundas ; narration writer, Steve Lucas ; director, Adrian Warren
a co-production of Thirteen/WNET New York and BBC ; Educational Broadcasting Corporation ; written and edited by Mark Fletcher ; series producer, Bill Murphy ; executive producer, Fred Kaufman