Why Do Tumbleweeds Tumble?

The silent star of classic Westerns is a plant on a mission. It starts out green and full of life. It even grows flowers. But to reproduce effectively it needs to turn into a rolling brown skeleton.

Season 5 Episode 8 Length 03:04 Premiere: 05/01/18

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Season 5 Episodes

Show Episodes

Show Clips & Previews

Whack! Jab! Crack! It's a Blackback Land Crab Smackdown

S5 E20 Length 03:44 Premiere Date 11/06/18

Want a Whole New Body? Ask This Flatworm How

S5 E19 Length 03:51 Premiere Date 10/23/18

A Sand Dollar's Breakfast is Totally Metal

S5 E18 Length 03:57 Premiere Date 10/09/18

The House Centipede is Fast, Furious, and Just So Extra

S5 E17 Length 03:49 Premiere Date 09/25/18

How Kittens Go From Clueless to Cute

S5 E16 Length 03:38 Premiere Date 09/11/18

This Adorable Sea Slug is a Sneaky Little Thief

S5 E15 Length 03:37 Premiere Date 08/28/18

Watch This Bee Build Her Bee-jeweled Nest

S5 E14 Length 04:22 Premiere Date 08/07/18

How Elephants Listen ... With Their Feet

S5 E13 Length 03:38 Premiere Date 07/17/18

What Do Earwigs Do With Those Pincers Anyway?

S5 E12 Length 03:42 Premiere Date 06/26/18

You'd Never Guess What an Acorn Woodpecker Eats

S5 E11 Length 03:33 Premiere Date 06/12/18

Watch These Cunning Snails Stab and Swallow Fish Whole

S5 E10 Length 04:08 Premiere Date 05/29/18

You've Heard of a Murder of Crows. How About a Crow Funeral?

S5 E9 Length 03:50 Premiere Date 05/15/18