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Overview
Each 30 minute episode is dedicated to a separate issue or theme and consists mainly of related short featurettes, which explain, explore and educate how things of everyday life and even complex systems work. It spans a wide variety of topics from technology and industry to something as mundane as how the postal service works.
First Air Date
March 24, 1981
Status
Returning Series
Seasons
44
Episodes
452
All Seasons
Season 44
Season 44
2025
7 Episodes
No description available for this season.
Season 43
Season 43
2023
9 Episodes
No description available for this season.
Season 42
2023
12 Episodes
No description available for this season.
Season 41
2022
13 Episodes
No description available for this season.
Season 40
2020
13 Episodes
No description available for this season.
Season 39
2019
13 Episodes
No description available for this season.
Season 38
2018
14 Episodes
No description available for this season.
Season 37
2017
14 Episodes
No description available for this season.
Season 36
2016
17 Episodes
No description available for this season.
Season 35
2015
12 Episodes
No description available for this season.
Season 34
2014
12 Episodes
No description available for this season.
Season 33
2013
16 Episodes
No description available for this season.
Season 32
2012
14 Episodes
No description available for this season.
Season 31
2011
16 Episodes
No description available for this season.
Season 30
2010
10 Episodes
No description available for this season.
Season 29
2009
16 Episodes
No description available for this season.
Season 28
2008
16 Episodes
No description available for this season.
Season 27
2007
16 Episodes
No description available for this season.
Season 26
2006
16 Episodes
No description available for this season.
Season 25
2005
10 Episodes
No description available for this season.
Season 24
2004
9 Episodes
No description available for this season.
Season 23
2003
7 Episodes
No description available for this season.
Season 22
2002
9 Episodes
No description available for this season.
Season 21
2001
8 Episodes
No description available for this season.
Season 20
2000
9 Episodes
No description available for this season.
Season 19
1999
10 Episodes
No description available for this season.
Season 18
1998
9 Episodes
No description available for this season.
Season 17
1996
6 Episodes
No description available for this season.
Season 16
1996
5 Episodes
No description available for this season.
Season 15
1995
4 Episodes
No description available for this season.
Season 14
1995
3 Episodes
No description available for this season.
Season 13
1994
6 Episodes
No description available for this season.
Season 12
1993
6 Episodes
No description available for this season.
Season 11
1992
6 Episodes
No description available for this season.
Season 10
1991
5 Episodes
No description available for this season.
Season 9
1990
6 Episodes
No description available for this season.
Season 8
1989
6 Episodes
No description available for this season.
Season 7
1988
9 Episodes
No description available for this season.
Season 6
1987
8 Episodes
No description available for this season.
Season 5
1986
10 Episodes
No description available for this season.
Season 4
1985
10 Episodes
No description available for this season.
Season 3
1984
13 Episodes
No description available for this season.
Season 2
1983
13 Episodes
No description available for this season.
Season 1
1981
13 Episodes
No description available for this season.
Specials
Specials
4 Episodes
No description available for this season.