What on Earth? Season 12 Episode 9
Episode Title: Secrets of Biosphere 2
Genre:
Documentary
Countries:
,
Airing Date: March 9, 2023
Runtime:60 mins
IMDb Rating:
Watch What on Earth? Season 12 Episode 9 full movie online free in HD with English subtitles – no download needed.
Satellite images capture a mysterious group of pyramid-shaped structures in Arizona's arid, desert landscape. Experts investigate Biosphere 2, a highly controversial research facility designed to prepare humanity for life on another world.