Investigation

Published 10 Jan 2022, 17:40 GMT, Updated 17 Feb 2022, 16:01 GMT

Delve deeper into the unknown with investigation shows on the National Geographic Channel. Uncovering dark truths and hidden secrets, our unprecedented access will take you beyond the boundaries of possibility in programmes such as Banged Up Abroad and Drain the Oceans.

Air Crash Investigation
Drain the Oceans
Banged Up Abroad
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