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See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

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Full Episodes
Season
These Swarming Locusts Are Grasshoppers Gone Wrong
Episode
4:46
Deep Look

These Swarming Locusts Are Grasshoppers Gone Wrong

They might look like harmless grasshoppers, but locusts have an appetite for destruction.
Season 8 Episode 20
How a Kissing Bug Becomes a Balloon Full of Your Blood
Episode
4:58
Deep Look

How a Kissing Bug Becomes a Balloon Full of Your Blood

A kissing bug gorges on your blood, plus it may carry a potentially deadly parasite.
Season 8 Episode 19
Skeleton Shrimp Use 18 Appendages to Feed, Fight and Frolic
Episode
4:38
Deep Look

Skeleton Shrimp Use 18 Appendages to Feed, Fight and Frolic

Skeleton shrimp anatomy can be confusing, with their funky assortment of body parts.
Season 8 Episode 18
Tadpole Shrimp Are Coming For Your Rice
Episode
4:42
Deep Look

Tadpole Shrimp Are Coming For Your Rice

Tadpole shrimp are a special type of time-traveling crustacean called triops.
Season 8 Episode 17
You Can’t Unsee the Assassin Bug’s Dirty Work
Episode
3:30
Deep Look

You Can’t Unsee the Assassin Bug’s Dirty Work

The assassin bug commits murder by stabbing. But does this perpetrator have an accomplice?
Season 8 Episode 16
These Rare Damselflies Find Love With a Twist in Fog City
Episode
4:26
Deep Look

These Rare Damselflies Find Love With a Twist in Fog City

Most damselflies prefer sun, but the quirky San Francisco forktail damselfly digs the fog.
Season 8 Episode 15
Once a Spawn a Time: Horseshoe Crabs Mob the Beach
Episode
4:51
Deep Look

Once a Spawn a Time: Horseshoe Crabs Mob the Beach

Horseshoe crabs may look scary, but really they’re lovers, not fighters.
Season 8 Episode 14
This Bee Builds Sandcastles at the Beach
Episode
4:29
Deep Look

This Bee Builds Sandcastles at the Beach

Digger bees build a different kind of sandcastle at the beach – it's part of their nest.
Season 8 Episode 13
The Axolotl Salamander Doesn’t Wanna Grow Up
Episode
4:42
Deep Look

The Axolotl Salamander Doesn’t Wanna Grow Up

Can axolotls salamanders thrive once again in their ancestral waters in Mexico City?
Season 8 Episode 12
HwhNh1U-asset-mezzanine-16x9-ZQZ9F9x.jpg
Episode
4:09
Deep Look

Watch These Hermit Crabs Shop for the Perfect Shell

Hermit crabs are more than happy to let snails build them a perfect home.
Season 8 Episode 11
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Science & Nature
Episode 2
Watchwith PBS Passport
48:03
A World Without NASA

Episode 2

Season 1 Episode 102
Episode 1
Watchwith PBS Passport
48:03
A World Without NASA

Episode 1

Season 1 Episode 101