Season 0 of Secrets of the Dead premiered on 2017-12-26.

The first season of the PBS "Secrets of the Dead" are versions of the UK (Channel 4) documentary series of the same name. The episodes in this season were reworked (re-edited, re-branded, and re-narrated by Roy Scheider) from the UK episodes. The episodes were originally available on VHS as a season set and individually.

These six episodes of this PBS documentary series are adapted from the UK series of the same name, but are re-edited, re-branded, and re-narrated by Liev Schreiber.

Season 3 of Secrets of the Dead premiered on 2001-05-08.

Season 4 of Secrets of the Dead premiered on 2003-11-01.

Season 5 of Secrets of the Dead premiered on 2005-10-19.

Season 6 of Secrets of the Dead premiered on 2006-11-08.

Season 7 of Secrets of the Dead premiered on 2008-04-23.

Season 8 of Secrets of the Dead premiered on 2008-05-07.

Season 9 of Secrets of the Dead premiered on 2009-05-13.

Season 10 of Secrets of the Dead premiered on 2010-11-03.

Season 11 of Secrets of the Dead premiered on 2011-04-20.

Season 12 of Secrets of the Dead premiered on 2012-10-23.

Season 13 of Secrets of the Dead premiered on 2013-11-13.

Season 14 of Secrets of the Dead premiered on 2015-01-28.

Season 15

10

.

2015

.

5 Episodes

Season 15 of Secrets of the Dead premiered on 2015-10-27.

Season 16 of Secrets of the Dead premiered on 2016-10-26.

Season 17

8.3

.

2018

.

7 Episodes

Season 17 of Secrets of the Dead premiered on 2018-01-24.

Season 18 of Secrets of the Dead premiered on 2019-07-02.

Season 19 of Secrets of the Dead premiered on 2021-10-20.

Season 20

1

.

2022

.

7 Episodes

Season 20 of Secrets of the Dead premiered on 2022-10-09.

Season 21 of Secrets of the Dead premiered on 2023-10-25.

Season 22 of Secrets of the Dead premiered on 2024-10-23.

Season 23 of Secrets of the Dead premiered on 2025-10-08.