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S49 · E1 — Arctic Sinkholes

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S49:E1 · Arctic Sinkholes

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Episodes

19 episodes in this season

E1

Now Playing

Arctic Sinkholes

55 min

E2

Secrets in the Scat

55 min

E3

Great Mammoth Mystery

55 min

E4

Augmented

55 min

E5

Determined: Fighting Alzheimer's

55 min

E6

Dinosaur Apocalypse: The New Evidence

55 min

E7

Dinosaur Apocalypse: The Last Day

54 min

E8

Why Ships Crash

54 min

E9

Ice Age Footprints

54 min

E10

Ultimate Space Telescope

54 min

E11

Saving Venice

54 min

E12

Ending HIV in America

54 min

E13

Computers v. Crime

54 min

E14

Can Psychedelics Cure?

54 min

E15

Ocean Invaders

54 min

E16

Nazca Desert Mystery

54 min

E17

Crypto Decoded

53 min

E18

Zero to Infinity

54 min