National Geographic Specials

2 episodes

3 episodes • 1965

2 episodes • 2002

4 episodes • 1967

5 episodes • 1968

4 episodes • 1969

3 episodes • 1970

3 episodes • 1971

3 episodes • 1972

4 episodes • 1973

3 episodes • 1974

2 episodes • 1975

3 episodes • 1976

4 episodes • 1977

3 episodes • 1978

4 episodes • 1979

5 episodes • 1980

4 episodes • 1981

4 episodes • 1982

4 episodes • 1983

4 episodes • 1984

6 episodes • 1985

6 episodes • 1986

4 episodes • 1987

8 episodes • 1988

6 episodes • 1989

5 episodes • 1990

5 episodes • 1991

5 episodes • 1992

4 episodes • 1993

5 episodes • 1994

5 episodes • 1995

10 episodes • 1996

6 episodes • 1997

9 episodes • 1998

9 episodes • 1999

0 episodes

0 episodes

0 episodes

0 episodes

0 episodes

0 episodes

0 episodes

0 episodes

0 episodes

1 episode • 2010