Season
- Season 0 1970-01-01
- Season 1 1978-06-06
- Season 2 1979-05-03
- Season 8 1985-11-07
- Season 25 2003-05-30
- Season 26 2003-11-28
- Season 28 1970-01-01
- Season 29 2006-09-08
- Season 30 2007-09-14
- Season 31 2008-09-17
- Season 32 2009-09-11
- Season 33 1970-01-01
- Season 34 2010-09-17
- Season 35 2012-03-17
- Season 36 2013-01-04
- Season 37 1970-01-01
- Season 38 1970-01-01
- Season 39 1970-01-01
- Season 40 1970-01-01
- Season 41 2017-09-15
- Season 42 2018-09-07
- Season 43 2019-09-27
- Season 44 2020-10-16
- Season 45 2021-10-08
- Season 46 2022-09-23
- Season 47 2023-09-29
- Season 48 2024-09-20
- Season 49 2025-09-26
Season 49 Episode
20/20 - Season 49 Episode 2 What Happened to the McStays?
6.10 40 minutes In 2010, Joseph and Summer McStay and their two young sons vanished from their Fallbrook, California, home. For nearly four years, the family’s fate remained unknown—until a grim discovery in the Mojave Desert turned the missing persons case into a homicide investigation.
