Secrets of Biosphere 2
What on Earth? · Season 12 · Episode 9
Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.
Episode Details
Air date, runtime, timezone, and episode position.
Season
12
Episode
9
Air Date
09/Mar/2023
Air Time
21:00
Runtime
42 min
Overview
Episode summary.
Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.
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