Season
- Season 1 2009-10-18
- Season 2 2010-04-18
- Season 3 2010-11-07
- Season 4 2011-04-17
- Season 5 2011-10-30
- Season 6 2012-06-03
- Season 7 2012-12-16
- Season 8 2013-06-23
- Season 9 2013-12-22
- Season 10 2014-08-03
- Season 11 2015-02-22
- Season 12 2015-08-30
- Season 13 2016-03-06
- Season 14 2016-08-28
- Season 15 2017-05-28
- Season 16 2017-10-29
- Season 17 2018-07-15
- Season 18 2019-02-24
- Season 19 2019-11-03
- Season 20 2020-04-26
- Season 21 2020-11-29
- Season 22 2021-04-04
- Season 23 2021-08-08
- Season 24 2022-02-20
- Season 25 2022-09-04
- Season 26 2023-05-03
- Season 27 2024-03-06
- Season 28 2025-07-09
Season 28 Episode
- Season 20 Shadow Of Suspicion
- Season 20 One Of Us
- Season 20 Salt In The Wound
- Season 20 Wedding Day Nightmare
- Season 20 Little Lamb
- Season 20 Terror in Bedford Park
- Season 20 Evidence Never Lies
- Season 20 Long Walk, Cold Night
- Season 20 Texts Lies and Videotape
- Season 20 A Predator in the Woods
- Season 20 In the Wind
- Season 20 Lying in the Darkness
- Season 20 Spreadsheet Of Terror
- Season 20 A Test Of Patience
- Season 20 A Heartbreaking Discovery
On the Case with Paula Zahn - Season 20 Episode 2 One Of Us
8.40 43 minutes A young records clerk at the Seattle police department is murdered on her way to work her overnight shift. Can police find the evidence to catch the killer of one of their own?
