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.
Seasons
Season 1
13 Episodes•1981•
5.8
Season 2
13 Episodes•1983•
6.5
Season 3
13 Episodes•1984
Season 4
10 Episodes•1985
Season 5
10 Episodes•1986
Season 6
8 Episodes•1987
Season 7
9 Episodes•1988
Season 8
6 Episodes•1989
Season 9
6 Episodes•1990
Season 10
5 Episodes•1991
Season 11
6 Episodes•1992
Season 12
6 Episodes•1993
Season 13
6 Episodes•1994
Season 14
3 Episodes•1995
Season 15
4 Episodes•1995
Season 16
5 Episodes•1996
Season 17
6 Episodes•1996
Season 18
9 Episodes•1998
Season 19
10 Episodes•1999
Season 20
9 Episodes•2000
Season 21
8 Episodes•2001
Season 22
9 Episodes•2002
Season 23
7 Episodes•2003
Season 24
9 Episodes•2004
Season 25
10 Episodes•2005
Season 26
16 Episodes•2006
Season 27
16 Episodes•2007
Season 28
16 Episodes•2008
Season 29
16 Episodes•2009
Season 30
10 Episodes•2010
Season 31
16 Episodes•2011
Season 32
14 Episodes•2012
Season 33
16 Episodes•2013
Season 34
12 Episodes•2014
Season 35
12 Episodes•2015
Season 36
17 Episodes•2016
Season 37
14 Episodes•2017
Season 38
14 Episodes•2018
Season 39
13 Episodes•2019
Season 40
13 Episodes•2020
Season 41
13 Episodes•2022
Season 42
12 Episodes•2023
Season 43
9 Episodes•2023
Season 44
15 Episodes•2025
Season 45
2 Episodes•2026
