a Canada, Denmark co-production ; produced in association with W Network ; producer, Paul Millar ; writer, Iain Maclean ; directors, Dorthe Vest Anderson, Paul-Erik Heilbuth, Chris Triffo
[a Discovery Channel production] ; Discovery Education ; writer, Monica M. Neagoy ; producers, Robin Freeman, Jessie Dinh ; executive producers, Edward de Leon, Robert M. Lippincott, Jean Kaplan Teichroew