a Nova production by Bonne Pioche and Greenspace for WGBH/Boston ; produced for Nova by Providence Pictures, Inc. for WGBH/Boston ; producer, Gary Glassman ; writer, Antoine de Maximy ; writer and director, Caroline Wrinch ; directed by Antoine de Maximy
written, produced and directed by Mark Davis ; a NOVA production by MDTV Productions for WGBH/Boston in association with National Geographic Channel International
a Blakeway Production for the BBC and WGBH Boston ; produced by Chris Oxley & Malcolm Neum ; directed by Chis Oxley ; produced for NOVA by Joseph McMaster ; narration written by Joseph McMaster
a Nova production by Thomas Lucas Productions, Inc. for WGBH/Boston ; written by Julia Cort and Jonathan Grupper ; produced and directed by Thomas Lucas and Julia Cort
A production of The Documentary Guild in association with WGBH Boston for Nova ; WGBH Educational Foundation ; Executive editor, William Grant ; executive producer, Paula S. Apsell ; written, produced and directed by Rob Whittlesey and Noel Buckner
writer and producer, Neil Goodwin ; a Peace River Films production for The American Experience ; WGBH Educational Foundation, WNET/Thirteen and Peace River Films
a NOVA production in association with Night Fire Films and ARTE France ; written and directed by David Lebrun ; produced for Nova and narration by Sarah Holt ; produced by Rosey Guthrie and David Lebrun ; edited by Nathan Hendrie, David Lebrun, and Eric Marin
a Nova/WGBH, La Cinquième, Südwestrundfunk, Gedéon Programmes, Meridian, and NHK co-production ; produced for Nova by Providence Pictures, Inc. for WGBH/Boston ; written and directed by Liesl Clark