Season
- Season 23 1983-12-03
- Season 44 2004-02-09
- Season 46 2006-02-13
- Season 47 2007-02-12
- Season 49 1970-01-01
- Season 50 2010-02-08
- Season 51 2011-02-14
- Season 52 2012-02-06
- Season 53 2013-01-04
- Season 54 2014-02-03
- Season 55 2015-02-02
- Season 56 2016-02-01
- Season 57 2017-02-06
- Season 58 2018-02-05
- Season 59 2019-02-04
- Season 60 2020-02-03
- Season 61 2021-02-01
- Season 62 2022-02-07
- Season 63 2023-01-30
- Season 64 2024-02-19
- Season 65 2025-02-03
- Season 66 2026-02-02
Season 66 Episode
- Season 47 Episode 1
- Season 47 Episode 2
- Season 47 Episode 3
- Season 47 Episode 4
- Season 47 Episode 5
- Season 47 Episode 6
- Season 47 Episode 7
- Season 47 Episode 8
- Season 47 Episode 9
- Season 47 Episode 10
- Season 47 Episode 11
- Season 47 Episode 12
- Season 47 Episode 13
- Season 47 Episode 14
- Season 47 Episode 15
- Season 47 Episode 16
- Season 47 Episode 17
- Season 47 Episode 18
- Season 47 Episode 19
- Season 47 Episode 20
- Season 47 Episode 21
- Season 47 Episode 22
- Season 47 Episode 23
- Season 47 Episode 24
- Season 47 Episode 25
- Season 47 Episode 26
- Season 47 Episode 27
- Season 47 Episode 28
- Season 47 Episode 29
- Season 47 Episode 30
- Season 47 Episode 31
- Season 47 Episode 32
- Season 47 Episode 33
- Season 47 Episode 34
- Season 47 Episode 35
- Season 47 Episode 36
- Season 47 Episode 37
- Season 47 Episode 38
- Season 47 Episode 39
Four Corners - Season 47 Episode 3 The Denial Machine
6.90 45 minutes For years the global warming debate has swirled like a firestorm. Science has been tossed about in a tornado of spin from doomsayers and doubters, deep green activists and fossil fuel lobbyists.
