produced and directed by Bill Lyons ; a Granada production for Thirteen/WNET, New York, in association with Channel 4 (U.K.) ; Educational Broadcasting Corp
a Nova production by Lion Television, All 3 Media, Medialab for WGBH/Boston in association with Channel 4 and Arte France ; produced and directed by Ian Bremner ; produced by Su-Mae Khoo
produced by Furnace Limited for Thirteen in association with WNET.ORG, Channel 4, National Geographic Channel UK, ABC Australia, and ZDF ; written and directed by Richard Bond
produced by Pioneer Productions and Fox Television Studios in association with Channel 4 for National Geographic Television ; produced by Simon Andreae ; written and directed by Yavar Abbas