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- Season 0 1999-07-13
- Season 1 1974-03-03
- Season 2 1974-11-03
- Season 3 1976-01-04
- Season 4 1977-01-05
- Season 5 1978-01-04
- Season 6 1979-01-04
- Season 7 1980-01-15
- Season 8 1981-01-06
- Season 9 1982-01-10
- Season 10 1983-01-18
- Season 11 1984-01-17
- Season 12 1985-01-15
- Season 13 1986-01-21
- Season 14 1987-01-20
- Season 15 1988-01-19
- Season 16 1989-01-17
- Season 17 1990-01-09
- Season 18 1991-01-08
- Season 19 1992-01-14
- Season 20 1993-01-05
- Season 21 1994-01-18
- Season 22 1995-01-08
- Season 23 1995-10-10
- Season 24 1996-10-01
- Season 25 1997-10-07
- Season 26 1998-10-06
- Season 27 1999-10-05
- Season 28 2000-10-24
- Season 29 2001-10-02
- Season 30 2002-09-03
- Season 31 2003-09-30
- Season 32 2004-09-28
- Season 33 2005-09-20
- Season 34 2006-09-05
- Season 35 2007-10-09
- Season 36 2008-10-07
- Season 37 2009-10-06
- Season 38 2010-10-19
- Season 39 2011-09-07
- Season 40 2012-10-10
- Season 41 2013-09-11
- Season 42 2014-09-10
- Season 43 2015-09-16
- Season 44 2016-09-07
- Season 45 2018-01-10
- Season 46 2019-01-02
- Season 47 2020-02-05
- Season 48 2021-01-13
- Season 49 2022-02-01
- Season 50 2023-02-01
- Season 51 2024-01-31
Season 51 Episode
- Season 9 Salmon on the Run
- Season 9 Test-Tube Babies: A Daughter For Judy
- Season 9 Field Guide to Roger Tory Peterson
- Season 9 The Hunt for the Legion Killer
- Season 9 Finding a Voice
- Season 9 The Television Explosion
- Season 9 Life: Patent Pending
- Season 9 Palace of Delights
- Season 9 Animal Impostors
- Season 9 Aging: The Methuselah Syndrome
- Season 9 The Case of the UFOs
- Season 9 The Fragile Mountain
- Season 9 Here's Looking At You Kid
- Season 9 Adventures of Teenage Scientists
- Season 9 The Cobalt Blues
- Season 9 Goodbye Louisiana
- Season 9 Whale Watch
- Season 9 Tracking The Supertrains
- Season 9 The Making of a Natural History Film
NOVA - Season 9 Episode 16 Goodbye Louisiana
6.80 55 minutes NOVA reports on the staggering water problems of Southern Louisiana—where the mighty Mississippi is threatening to change its course, and where last year 49 square miles of coastline disappeared into the Gulf of Mexico.
