TV Show · Documentary · History

History's greatest mysteries are revisited and reexamined, using modern research and cutting edge technology.

2020 · 22m
Starring Adam Mastrelli

Season 1

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Cast & Crew

About

Secrets Unlocked

Documentary

History's greatest mysteries are revisited and reexamined, using modern research and cutting edge technology.

Information

Studio
SMTHHD
Released
2020
Rated
TV-PG

Languages

Audio

English (AAC), English (United States)

Subtitles

English (Always On, CC)

Accessibility

Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.