90th Parallel Productions Ltd. in association with the Canadian Broadcasting Corporation and National Geographic Channel with the participation of Discovery Science ; producer/director, Michael Allder
produced by Red Apple Entertainment in association with the Canadian Broadcasting Corporation ; written and directed by Marc de Guerre ; produced by Alan Mendelsohn
directed by Bruce Mohun ; produced by Sue Ridout ; written by Bruce Mohun, Helen Slinger ; produced by Dreamfilm Productions Ltd. in association with Canadian Broadcasting Corporation
produced by Dreamfilm Productions ; produced in association with CBC Television ; produced by Sue Ridout, Helen Slinger, Sara Darling ; written by Bruce Mohun and Helen Slinger ; directed by Bruce Mohun
Bullfrog Films presents ; produced and directed by Vishnu Mathur ; researched and written by Karen Gordon ; produced by Canadian Broadcasting Corporation