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NOVA

Season 52 · Episode 1

What Are UFOs? still

What Are UFOs?

0.054mJanuary 22, 2025

Can science reveal the secrets of mysterious objects seen in our skies?

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Episodes

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Episode 1What Are UFOs?
Episode 2Extreme Airport Engineering
Episode 3Dino Birds
Episode 4Egypt's Tombs of Amun
Episode 5Pompeii's Secret Underworld
Episode 6Baltimore Bridge Collapse
Episode 7Revolutionary War Weapons
Episode 8Secrets of the Forest

Episode 9

Critical Condition: Health In Black America

Episode 10Ultimate Crash Test: Countdown

Episode 11Ultimate Crash Test: Impact

Episode 12Human: Origins

Episode 13Human: Journeys

Episode 14Human: Neanderthal Encounters

Episode 15Human: Into the Americas

Episode 16Human: Building Empires

Episode 17Ancient Desert Death Trap

Episode 18Superfloods

Episode 19Operation Space Station: High-Risk Build

Episode 20Operation Space Station: Science and Survival