A documentary series with a broad remit of geography, anthropology and natural history subjects.
|Season 1||December 1967||December 1967||4|
|Season 2||January 1968||December 1968||50|
|Season 3||January 1969||December 1969||25|
|Season 4||January 1970||December 1970||38|
|Season 5||January 1971||December 1971||34|
|Season 6||March 1971||November 1972||34|
|Season 7||February 1973||November 1973||6|
|Season 8||February 1974||December 1974||10|
|Season 9||January 1975||December 1975||28|
|Season 10||January 1976||December 1976||35|
|Season 11||January 1977||December 1977||32|
|Season 12||January 1978||December 1978||25|
|Season 13||January 1979||December 1979||20|
|Season 14||January 1980||December 1980||33|
|Season 15||January 1981||December 1981||19|
|Season 16||January 1982||December 1982||26|
No actors for this record.
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