NOVA
Season 52 Episode 1 - What Are UFOs?
7.0 ?
1974
Documentary
Can science reveal the secrets of mysterious objects seen in our skies?
Episodes in Season 52
1
What Are UFOs?
54 min
NOW PLAYING
2
Extreme Airport Engineering
54 min
3
Dino Birds
54 min
4
Egypt's Tombs of Amun
54 min
5
Pompeii's Secret Underworld
54 min
6
Baltimore Bridge Collapse
54 min
7
Revolutionary War Weapons
54 min
8
Secrets of the Forest
54 min
9
Critical Condition: Health In Black America
97 min
10
Ultimate Crash Test: Countdown
53 min
11
Ultimate Crash Test: Impact
53 min
12
Human: Origins
54 min
13
Human: Journeys
53 min
14
Human: Neanderthal Encounters
53 min
15
Human: Into the Americas
53 min
16
Human: Building Empires
54 min
17
Ancient Desert Death Trap
53 min
18
Superfloods
53 min
19
Operation Space Station: High-Risk Build
54 min
20
Operation Space Station: Science and Survival
54 min
