NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Season 52 · Episode 19 ·
Operation Space Station: High-Risk Build
From ammonia leaks to Space Shuttle disasters to a spacewalk gone terribly wrong, astronauts and Mission Control insiders relive the most terrifying moments during construction of the International Space Station.
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Episode 19 of season 52 of NOVA: “Operation Space Station: High-Risk Build”. Aired 2025-11-05. Watch it online free on ZapFlix.