Season
- Season 0 2003-01-15
- Season 1 1988-10-03
- Season 2 1989-10-02
- Season 3 1990-08-26
- Season 4 1991-09-29
- Season 5 1992-09-19
- Season 6 1993-10-26
- Season 7 1994-10-11
- Season 8 1995-10-15
- Season 9 1996-10-05
- Season 10 1997-10-04
- Season 11 1998-11-17
- Season 12 1999-11-13
- Season 13 2000-10-16
- Season 14 2001-09-09
- Season 15 2002-11-10
- Season 16 2003-09-07
- Season 17 2004-10-03
- Season 18 2005-10-16
- Season 19 2006-10-01
- Season 20 2008-01-13
- Season 21 2009-01-25
- Season 22 2009-11-01
- Season 23 2010-10-10
- Season 24 2012-01-09
- Season 25 2013-01-07
- Season 26 2014-01-06
- Season 27 2015-01-05
- Season 28 2016-01-18
- Season 29 2017-01-09
- Season 30 2018-01-08
- Season 31 2019-01-14
- Season 32 2020-01-05
- Season 33 2021-01-10
- Season 34 2022-02-06
- Season 35 2023-01-02
- Season 36 2024-01-23
- Season 37 2025-02-24
- Season 38 2025-09-30
American Experience - Season 37 Episode 4 Clearing the Air: The War on Smog
7.40 55 minutes A chronicle of how Los Angeles' devastating smog problem in the 1940s and 50s led to the creation of the Environmental Protection Agency (EPA) and the Clean Air Act.
