Season
- Season 0 2011-05-11
- Season 1 2004-06-03
- Season 2 2005-01-06
- Season 3 2005-10-05
- Season 4 2006-06-14
- Season 5 2007-01-18
- Season 6 2007-07-11
- Season 7 2008-01-09
- Season 8 2009-01-01
- Season 9 2009-06-16
- Season 10 2010-01-14
- Season 11 2010-09-30
- Season 12 2011-12-08
- Season 13 2013-03-06
- Season 14 2014-06-17
- Season 15 2015-11-05
- Season 16 2016-12-01
- Season 17 2017-10-19
- Season 18 2019-01-10
- Season 19 2019-12-31
- Season 20 2021-10-20
- Season 21 2022-11-02
- Season 22 2023-09-20
- Season 23 2024-01-01
- Season 24 2024-05-29
- Season 25 2025-01-01
Season 25 Episode
- Season 18 Spree Killer
- Season 18 The Grudge
- Season 18 A Bad Run-In / Inferno
- Season 18 Last Rap
- Season 18 Flashing Colors
- Season 18 Buried Secrets
- Season 18 The Visitor
- Season 18 Rise Up / Somebody's Friend
- Season 18 Family First
- Season 18 After Hours / The Cutting Edge
- Season 18 The Deadliest Sin / Bloodlines
- Season 18 A Killer Fight / Do the Right Thing
- Season 18 The Fallen Angel
- Season 18 The Brotherhood & Lit Up
- Season 18 Young Guns
- Season 18 Tracked
- Season 18 Random Acts & Blunt Force
- Season 18 Crossroads
The First 48 - Season 18 Episode 17 Random Acts & Blunt Force
7.90 45 minutes In Mobile, Alabama, a 70-year-old Vietnam vet is found beaten to death in his home, where detectives discover cryptic threatening letters; in Tulsa, Okla., a random shooter reveals startling new information on a cold case.
