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Episode ratings data provided by configured data source. This site is not affiliated with IMDb. This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.

Secrets of the Dead | EpisodesRatings

Secrets of the Dead poster

DocumentaryMystery

Secrets of the Dead

2000-20268.0 IMDbEpisode avg 7.423 seasons · 120 rated episodes

Part detective story, part true-life drama, long-running series explores some of the most iconic moments in history to debunk myths and shed new light on past events. Using the latest investigative techniques, forensic science and historical examination, it shatters accepted wisdom, challenges prevailing ideas, overturns existing hypotheses, spotlights forgotten mysteries, and ultimately rewrites history.

Episode ratings data provided by configured data source. This site is not affiliated with IMDb. This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.

Last updated 6/6/2026

Episode Rating Grid

Rows are episode numbers, columns are seasons. Every rated cell shows its numeric score.

9.0+

8.0-8.9

7.0-7.9

6.0-6.9

5.0-5.9

Below 5.0

Unrated/missing

Ep

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

Avg

7.4

6.8

7.3

7.5

7.3

7.4

8.0

6.8

7.2

7.5

6.9

7.5

7.1

7.4

7.4

7.6

7.4

7.3

7.5

7.6

7.8

7.8

7.6

E1

8.4 7.0 7.7 8.5 8.2 7.0 7.7 6.9 7.0 7.9 6.2 7.6 6.6 7.6 6.7 7.4 7.3 7.7 7.8 7.1 8.1 8.0 NR

E2

8.1 6.7 7.4 7.9 6.0 7.7 8.2 7.0 7.6 7.5 6.5 7.9 6.7 NR 7.9 8.0 7.5 7.9 7.3 8.1 8.1 8.1 7.8

E3

6.7 6.9 5.6 6.8 7.5 8.1

-

7.0 7.0 7.4 7.3 7.1 6.2 7.1 7.6 7.7 7.5 8.0 7.7 7.8 6.9 7.6 7.8

E4

7.5 7.6 7.5 7.2 7.6 7.3

-

6.3 7.0 7.2 7.6 6.6 7.6

-

7.6 6.9 6.2 8.2 7.1 7.7 8.0 7.2 7.3

E5

6.4 6.2 7.1 7.0 7.1 7.1

-

-

-

-

-

-

-

7.4 7.0 7.5 7.3 7.6 8.2

-

E6

-

-

-

-

-

-

-

-

-

-

7.3 7.9 7.6 4.7 7.3 7.7 8.0 8.1

-

E7

-

-

-

-

-

-

-

-

-

-

-

-

-

-

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-

-

-

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E8

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

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E9

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

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E10

-

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-

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Show Statistics

Weighted episode-level summaries calculated from the configured ratings source.

OpenClose

Best episode

S4E1 Bridge on the River Kwai (8.5)

Consistency score

88/100

Std dev 0.62

Rated episodes

120

5,258 total votes

Episode ratings timeline

Each point is a rated episode. Hover or focus a point for episode details.

Top 3 episodes: S4E1 Bridge on the River Kwai8.5 S3E6 Bombing Nazi Dams8.4 S1E1 Catastrophe! Part 1: The Day the Sun Went Out8.4

Streaming options

Availability may vary by region. Showing US provider data.

YouTube TVsubscription

PBSsubscription

Thirteensubscription

WETA+subscription

Amazon Videobuy

Apple TV Storebuy

Google Play Moviesbuy

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Worst episode

S18E6 Gangster's Gold (4.7)

Highest-rated season

Season 7 (7.9)

Lowest-rated season

Season 8 (6.8)

Average episode rating

7.4