National Geographic Specials

Staffel 1

3 Episodes

1965

Staffel 2

2 Episodes

2002

Staffel 3

4 Episodes

1967

Staffel 4

5 Episodes

1968

Staffel 5

4 Episodes

1969

Staffel 6

3 Episodes

1970

Staffel 7

3 Episodes

1971

Staffel 8

3 Episodes

1972

Staffel 9

4 Episodes

1973

Staffel 10

3 Episodes

1974

Staffel 11

2 Episodes

1975

Staffel 12

3 Episodes

1976

Staffel 13

4 Episodes

1977

Staffel 14

3 Episodes

1978

Staffel 15

4 Episodes

1979

Staffel 16

5 Episodes

1980

Staffel 17

4 Episodes

1981

Staffel 18

4 Episodes

1982

Staffel 19

4 Episodes

1983

Staffel 20

4 Episodes

1984

Staffel 21

6 Episodes

1985

Staffel 22

6 Episodes

1986

Staffel 23

4 Episodes

1987

Staffel 24

8 Episodes

1988

Staffel 25

6 Episodes

1989

Staffel 26

5 Episodes

1990

Staffel 27

5 Episodes

1991

Staffel 28

5 Episodes

1992

Staffel 29

4 Episodes

1993

Staffel 30

5 Episodes

1994

Staffel 31

5 Episodes

1995

Staffel 32

10 Episodes

1996

Staffel 33

6 Episodes

1997

Staffel 34

9 Episodes

1998

Staffel 35

9 Episodes

1999

Staffel 36

0 Episodes

Staffel 37

0 Episodes

Staffel 38

0 Episodes

Staffel 39

0 Episodes

Staffel 40

0 Episodes

Staffel 41

0 Episodes

Staffel 42

0 Episodes

Staffel 43

0 Episodes

Staffel 44

0 Episodes

Staffel 45

1 Episode

2010