Season
- Season 0 1970-01-01
- Season 1 2004-04-26
- Season 2 2005-04-04
- Season 3 2005-10-10
- Season 4 2006-06-28
- Season 5 2010-11-10
- Season 6 2012-01-06
- Season 7 2012-10-19
- Season 8 2013-10-04
- Season 9 2014-07-11
- Season 10 2015-12-04
- Season 11 2014-11-14
- Season 12 2016-10-07
- Season 13 2018-01-05
- Season 14 2019-07-11
- Season 15 2020-02-13
Untold Stories of the ER - Season 12 Episode 4 Bit By a Boa
8.10 45 minutes A boa constrictor has wrapped around a man's arm and won't let go; a young woman has a severe laceration, but doctors begin to suspect there may be more to her case than the injury; a young man goes into anaphylactic shock after a dinner out.
