Season
- Season 0 1998-04-23
- Season 1 1988-01-19
- Season 2 1988-09-08
- Season 3 1990-01-04
- Season 4 1991-09-11
- Season 5 1992-09-16
- Season 6 1993-09-15
- Season 7 1994-09-21
- Season 8 1995-09-14
- Season 9 1996-09-12
- Season 10 1997-09-11
- Season 11 1998-04-29
- Season 12 1998-09-16
- Season 13 1999-09-22
- Season 14 2000-09-20
- Season 15 2001-09-27
- Season 16 2002-09-19
- Season 17 2003-09-26
- Season 18 2004-09-25
- Season 19 2005-09-23
- Season 20 2006-09-23
- Season 21 2007-09-28
- Season 22 2008-09-23
- Season 23 2009-09-18
- Season 24 2010-09-24
- Season 25 2011-09-23
- Season 26 2012-09-27
- Season 27 2013-09-27
- Season 28 2014-09-27
- Season 29 2015-09-12
- Season 30 2016-09-24
- Season 31 2017-09-30
- Season 32 2018-09-29
- Season 33 2019-09-14
- Season 34 2020-09-09
- Season 35 2021-09-18
- Season 36 2022-09-17
- Season 37 2023-09-16
- Season 38 2024-09-21
- Season 39 2025-09-27
Season 39 Episode
- Season 34 “48 Hours Suspicion”: The Tiger King Mystery
- Season 34 Home Renovation Homicide
- Season 34 The Final Hours of Cayley Mandadi
- Season 34 “48 Hours Suspicion”: The Case Against Mary Katherine Higdon
- Season 34 The Corn Rake Murder
- Season 34 “48 Hours Suspicion”: The Ambush of Kevin Harris
- Season 34 The Final Days of JJ and Tylee
- Season 34 Justice for Ahmaud
- Season 34 Where is Jennifer Kesse?
- Season 34 The Murder of Anna Repkina
- Season 34 Murder at the Mall: The Michelle Martinko Case
- Season 34 Christy Martin - The Fight of Her Life
- Season 34 The Death of Todd Stermer
- Season 34 The Case Against Nicole Addimando
- Season 34 The Disappearance of Kristin Smart
- Season 34 The Hunt for the Long Island Serial Killer
- Season 34 The Suspicious Death of Christian Andreacchio
- Season 34 The Murder of Jackie Vandagriff
- Season 34 The 30-Year Secret – The Tracey Harris Murder
- Season 34 The Search for Christie Wilson
- Season 34 What Does the Other Woman Know? The Disappearance of Jennifer Dulos
- Season 34 The Deliveryman Murders
- Season 34 The Puzzle: Solving the Madeleine McCann Case
- Season 34 Fighting for Aniah
- Season 34 The Eye Drop Homicide
- Season 34 The Kidnapping of Jonelle Matthews
- Season 34 Find Yura - Manhunt on the Dark Web
- Season 34 The Mysterious Death of Kat West
- Season 34 Crosley Green Comes Home
- Season 34 The Killing of Cowboy Ray Green
- Season 34 Scott Peterson: Case in Question
- Season 34 The COVID Cover-Up: Searching for Gretchen Anthony
- Season 34 A Sister's Fight For Her Brother
- Season 34 The Fenn Treasure
- Season 34 The Circleville Letters
- Season 34 The Secrets of Chad Daybell's Backyard
- Season 34 The Black Swan Murder?
48 Hours - Season 34 Episode 19 The 30-Year Secret – The Tracey Harris Murder
7.27 42 minutes A little girl grows up wondering who murdered her mother. Decades later, prosecutors learn a secret that answers the question. Correspondent Maureen Maher reports.
