written, produced, & directed by Iain Riddick ; produced by Ruth Roberts ; produced by Darlow Smithson Productions Ltd, Shock of Mighty Productions and Handel Productions (EFS) Inc. in association with NOVA/WGBH Educational Foundation and Discovery Channel Canada ; WGBH
a Frontline co-production with RAINmedia, Inc. ; a production of WGBH/Boston ; written and produced by Martin Smith and Marcela Gaviria ; co-produced by Will Cohen
a production of Nova and National Geographic Television in association with Duncan Copp Ltd. ; NGHT, LLC and WGBH Educational foundation ; produced and directed by Duncan Copp
produced by Mary Olive Smith and Steven Engel ; directed by Mary Olive Smith and Amy Bucher ; an Engel Entertainment production in association with Nova
a Franco Dolgin Productions film for American Experience in association with KQED ; WGBH ; written, produced and directed by Gail Dolgin & Vicente Franco
a Frontline co-production with the Palfreman Film Group ; WGBH Educational Foundation ; written by Jon Palfreman and T.R. Reid ; produced and directed by Jon Palfreman
produced and directed by Rachel Dretzin ; written by Douglas Rushkoff & Rachel Dretzin ; a Frontline co-production with Ark Media ; WGBH Educational Foundation
produced and directed by Stanley Nelson ; written by Marcia A. Smith ; a Firelight Media production for American Experience ; WGBH Boston ; WGBH Educational Foundation
[WGBH Educational Foundation presents] ; telescript, Allen Rucker ; story, Allen Rucker and Paul Taylor ; produced and directed by Robert Kenner ; a Robert Kenner Films production for American Experience ; in association with Wisconsin Public Television, Playtone, and the BBC