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NOVA

S13 · E1 — Halley's Comet: Once in a Lifetime

S13:E1 · Halley's Comet: Once in a Lifetime

Episodes

21 episodes in this season

E1
Now Playing

Halley's Comet: Once in a Lifetime

55 min

E2

Goddess of the Earth

55 min

E3

Horsemen of China

55 min

E4

Life's First Feelings

55 min

E5

The Case of the Frozen Addict

55 min

E6

Toxic Trials

55 min

E7

Skydive to the Rain Forest

55 min

E8

Return of the Osprey

55 min

E9

The Rise of a Wonder Drug

55 min

E10

When Wonder Drugs Don't Work

55 min

E11

Visions of Star Wars

55 min

E12

The Search for the Disappeared

55 min

E13

The Planet that Got Knocked on its Side

55 min

E14

High-Tech Babies

55 min

E15

Can AIDS Be Stopped?

55 min

E16

Is Anybody Out There?

55 min

E17

Mystery of the Animal Pathfinders

55 min

E18

Are You Swimming in a Sewer?

55 min

E19

Sail Wars!

55 min

E20

Leprosy Can Be Cured!

55 min

E21

How Babies Get Made

55 min

Watch S13:E1 — Halley's Comet: Once in a Lifetime — NOVA | Where To Watch