Decoding the Unknown is about history's biggest mysteries, like what happened in each of them without the cop-out of "it was aliens" or "its a giant cover up".
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | April 2024 | 1 | |
| Season 2021 | November 2021 | December 2021 | 8 |
| Season 2022 | January 2022 | December 2022 | 79 |
| Season 2023 | January 2023 | December 2023 | 64 |
| Season 2024 | January 2024 | December 2024 | 61 |
| Season 2025 | January 2025 | October 2025 | 38 |
| Unassigned Episodes | 3 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 254 |
No actors for this record.
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Simon Whistler | N/A |
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