Season
- Season 1 1965-09-10
- Season 2 2002-05-01
- Season 3 1967-01-30
- Season 4 1968-02-20
- Season 5 1969-02-18
- Season 6 1970-02-10
- Season 7 1971-02-13
- Season 8 1972-01-12
- Season 9 1973-01-17
- Season 10 1974-01-10
- Season 11 1975-10-28
- Season 12 1976-01-13
- Season 13 1977-01-18
- Season 14 1978-01-09
- Season 15 1979-01-07
- Season 16 1980-01-08
- Season 17 1981-01-07
- Season 18 1982-01-13
- Season 19 1983-01-01
- Season 20 1984-01-01
- Season 21 1985-01-16
- Season 22 1986-01-03
- Season 23 1987-01-14
- Season 24 1988-01-20
- Season 25 1989-01-08
- Season 26 1990-01-10
- Season 27 1991-01-09
- Season 28 1992-01-22
- Season 29 1993-01-20
- Season 30 1994-01-12
- Season 31 1995-01-25
- Season 32 1996-01-17
- Season 33 1997-02-25
- Season 34 1998-01-24
- Season 35 1999-01-30
- Season 36 1970-01-01
- Season 37 1970-01-01
- Season 38 1970-01-01
- Season 39 1970-01-01
- Season 40 1970-01-01
- Season 41 1970-01-01
- Season 42 1970-01-01
- Season 43 1970-01-01
- Season 44 1970-01-01
- Season 45 2010-08-18
National Geographic Specials - Season 21 Episode 4 Miraculous Machines
6.00 48 minutes Presents current trends in computers, robotics, and experimental programs.
