National Geographic Specials - Seasons
Specials
2 episodes
1965
1965
•
3 episodes
2002
2002
•
2 episodes
1967
1967
•
4 episodes
1968
1968
•
5 episodes
1969
1969
•
4 episodes
1970
1970
•
3 episodes
1971
1971
•
3 episodes
1972
1972
•
3 episodes
1973
1973
•
4 episodes
1974
1974
•
3 episodes
1975
1975
•
2 episodes
1976
1976
•
3 episodes
1977
1977
•
4 episodes
1978
1978
•
3 episodes
1979
1979
•
4 episodes
1980
1980
•
5 episodes
1981
1981
•
4 episodes
1982
1982
•
4 episodes
1983
1983
•
4 episodes
1984
1984
•
4 episodes
1985
1985
•
6 episodes
1986
1986
•
6 episodes
1987
1987
•
4 episodes
1988
1988
•
8 episodes
1989
1989
•
6 episodes
1990
1990
•
5 episodes
1991
1991
•
5 episodes
1992
1992
•
5 episodes
1993
1993
•
4 episodes
1994
1994
•
5 episodes
1995
1995
•
5 episodes
1996
1996
•
10 episodes
1997
1997
•
6 episodes
1998
1998
•
9 episodes
1999
1999
•
9 episodes
2000
0 episodes
2002
0 episodes
2003
0 episodes
2004
0 episodes
2005
0 episodes
2006
0 episodes
2008
0 episodes
2009
0 episodes
2011
0 episodes
2010
2010
•
1 episodes