Skip to Main Content

Why The World’s Rarest Fish Is Trapped In The Hottest Desert On Earth

With under 40 pupfish left in the wild, these are possibly the rarest fish on the planet. The Devils Hole pupfish have existed in isolation for thousands of years in an extreme environment where few species could survive. How did they end up in such an inhospitable place? And what makes their survival so important?
Season 2 Episode 9 Length 07:46 Premiere: 10/14/25

Sponsored by:

An older couple with the logo and text for The Next Chapter and a Learn More buttonAn older couple with the logo and text for The Next Chapter and a Learn More button

Season 2 Episodes

It Looks Like a Desert. But It Has Thousands of Lakes

S2 E10 Length 08:53 Premiere Date 10/28/25

These Ancient Footprints Rewrite North American History

S2 E8 Length 07:53 Premiere Date 09/16/25

This Bay Moves 100 Billion Tons of Water Every Day

S2 E7 Length 08:22 Premiere Date 08/19/25

Cuttlefish Are the Ocean’s Freakiest Little Weirdos

S2 E6 Length 10:55 Premiere Date 07/22/25

Why These Bugs Live Inside Plants That Eat Them

S2 E5 Length 08:22 Premiere Date 07/01/25

There’s Something Weird Going On With the Northern Lights

S2 E4 Length 07:33 Premiere Date 04/29/25

What Turned These Ancient Trees to Stone?

S2 E3 Length 07:07 Premiere Date 04/01/25

How Louisiana's Mega Swamp Breaks Hurricanes

S2 E2 Length 07:53 Premiere Date 03/04/25

This Is Not a Forest

S2 E1 Length 10:06 Premiere Date 02/04/25

See All Episodes

caret down

TV Schedules

Upcoming

No upcoming airdates

Recent

No recent airdates

Explore KET