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Secret History was a long-running British television documentary series. Shown on Channel 4, the Secret History brandname was used as a banner title in the UK, but many of the individual documentaries can still be found on US cable channels without the branding. It can be seen as Channel 4's answer to the BBC's Timewatch.
Last Episode Aired
2018-03-11
S18E6 — Lost Cities of the Maya: Revealed
This documentary has exclusive access to a startling research project that is revealing an ancient hidden civilisation in Central America and transforming what we thought we knew about the Maya
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