Acting

2000

(1 episode) as Self

1999

(1 episode) as Self

1998

(2 episodes) as Self

1996

(1 episode) as self

1984

(1 episode) as Self

1981

(1 episode) as Heinz Sielmann

1980

(1 episode) as Self

1969

(1 episode) as Self

1966

(1 episode) as Self

1965

(0 episodes) as himself

1957

(1 episode) as Self

1955

(1 episode) as self

1948

(2 episodes) as Self

Creator

1965

… Creator