Season
- Season 0 2025-06-19
- Season 1 2004-11-11
- Season 2 1970-01-01
- Season 3 1970-01-01
- Season 4 1997-06-09
- Season 5 1970-01-01
- Season 6 1970-01-01
- Season 7 1970-01-01
- Season 8 1970-01-01
- Season 9 1970-01-01
- Season 10 1970-01-01
- Season 11 2003-02-14
- Season 12 2004-02-29
- Season 13 2004-09-17
- Season 14 2006-09-13
- Season 15 2006-09-08
- Season 16 2007-07-18
- Season 17 2008-01-13
- Season 18 2008-12-05
- Season 19 2010-03-21
- Season 20 2010-09-24
- Season 21 2011-03-04
- Season 22 2013-09-27
- Season 23 2014-09-26
- Season 24 2015-09-25
- Season 25 2016-09-23
- Season 26 2017-09-29
- Season 27 2018-09-28
- Season 28 2019-09-27
- Season 29 2020-09-21
- Season 30 2021-09-24
- Season 31 2022-09-16
- Season 32 2023-09-29
- Season 33 2024-09-27
- Season 34 2025-09-26
Season 34 Episode
- Season 33 Episode 1
- Season 33 Episode 2
- Season 33 Episode 3
- Season 33 Episode 4
- Season 33 Episode 5
- Season 33 Episode 6
- Season 33 Episode 7
- Season 33 Episode 8
- Season 33 Episode 9
- Season 33 Episode 10
- Season 33 Episode 11
- Season 33 Episode 12
- Season 33 Episode 13
- Season 33 Episode 14
- Season 33 Episode 15
- Season 33 Episode 16
- Season 33 Episode 17
- Season 33 Episode 18
- Season 33 Episode 19
- Season 33 Episode 20
- Season 33 Episode 21
- Season 33 Episode 22
- Season 33 Episode 23
- Season 33 Episode 24
- Season 33 Episode 25
- Season 33 Episode 26
- Season 33 Episode 27
- Season 33 Episode 28
- Season 33 Episode 29
- Season 33 Episode 30
- Season 33 Episode 31
- Season 33 Episode 32
- Season 33 Episode 33
- Season 33 Episode 34
Dateline - Season 33 Episode 21 Deadly Obsession
6.47 43 minutes Mike Sisco and his fiancé Karen Harkness are found shot to death in their Topeka duplex in 2002. A years-long search for the killer and three criminal trials over two decades reveals strained dynamics within one victim’s family.
