Starring
Bill Ratner
Secret Passages Episode Ratings Heatmap
Not enough episode ratings on IMDb yet. The heatmap and charts will appear here once more episodes get rated.
| Avg | E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | E10 | E11 | E12 | E13 | E14 | E15 | E16 | E17 | E18 | E19 | E20 | E21 | E22 | E23 | E24 | E25 | E26 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 |
All Seasons
▼
Season 1
—026
| Ep | Title | Rating | Yours | Votes | Runtime | |
|---|---|---|---|---|---|---|
| ▶ | 1 | Death | — | — | — | |
| ▶ | 2 | The Cold War | — | — | — | |
| ▶ | 3 | Hawkstone Park | — | — | — | |
| ▶ | 4 | Ancient Sanctuaries | — | — | — | |
| ▶ | 5 | War | — | — | — | |
| ▶ | 6 | Castles and Palaces | — | — | — | |
| ▶ | 7 | Combat Passages | — | — | — | |
| ▶ | 8 | Trapped, Smuggled & Sneaked | — | — | — | |
| ▶ | 9 | Shanghai Tunnels | — | — | — | |
| ▶ | 10 | America's Stonehenge | — | — | — | |
| ▶ | 11 | Underground Gardens | — | — | — | |
| ▶ | 12 | Drug Tunnels | — | — | — | |
| ▶ | 13 | Serapeum | — | — | — | |
| ▶ | 14 | Dendera | — | — | — | |
| ▶ | 15 | Safe Houses | — | — | — | |
| ▶ | 16 | The Secret Bunker | — | — | — | |
| ▶ | 17 | Alcatraz | — | — | — | |
| ▶ | 18 | Episode #1.18 | — | — | — | |
| ▶ | 19 | Episode #1.19 | — | — | — | |
| ▶ | 20 | Episode #1.20 | — | — | — | |
| ▶ | 21 | Episode #1.21 | — | — | — | |
| ▶ | 22 | Episode #1.22 | — | — | — | |
| ▶ | 23 | Episode #1.23 | — | — | — | |
| ▶ | 24 | Episode #1.24 | — | — | — | |
| ▶ | 25 | Episode #1.25 | — | — | — | |
| ▶ | 26 | Spear of Destiny | — | — | — |
Full Cast & Crew
Cast
Stephen R. Powell Self
Bill Ratner Narrator
Similar Series
Bose: Dead/Alive
7K 9 2017–2017
Real history · Indian TV
Leah Remini: Scientology and the Aftermath
7K 37 2016–2019
Docuseries · Faith & religion
Famagusta
7K 24 2024–2024
Turkish drama · Real history
Shardlake
5K 4 2024–2024
Period piece · Real history
The Name of the Rose
5K 8 2019–2019
Period piece · Faith & religion
Dear Hongrang
4K 11 2025–2025
K-drama · Period piece
Dead Mountain
4K 8 2020–2020
Real history · Atmospheric
Black Cake
3K 8 2023–2023
Drama · History · Mystery
Luoyang
2K 39 2021–2021
Drama · History · Mystery
UFO
2K 4 2021–2021
Documentary · History · Mystery
Monsterquest
1K 76 2007–2026
Documentary · History · Mystery
History's Greatest Mysteries
1K 99 2020–present
Documentary · History · Mystery