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Untold Earth

(a Titles & Air Dates Guide)

Last updated: Wed, 17 Dec 2025 -1:00
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The stories behind North America's strangest, most unique natural wonders.
Show Details:
Start date: Apr 2023
End date: ___ ____
Status: current show
Network(s): PBS (US)
Run time: 8 min
Episodes: xx eps
Genre(s): Miscellaneous
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Episode list & details from:  TVmaze
Episode # Original
Air Date		 Titles
 
Season 1
 
1.1-1 12 Apr 23Redwoods Shouldn't Be So Tall. Here's Why They Are
2.1-2 12 Jun 23Why Do Hundreds of Icebergs Keep Visiting This Town?
3.1-3 18 Jul 23You Aren't Paying Enough Attention to Moss
4.1-4 24 Aug 23What Are These Strange Towers Growing Out of This Lake?
5.1-5 18 Sep 23What Makes The "Northern Lights of the Sea" So Magical?
6.1-6 16 Oct 23The Story Behind This Giant Rock in the Middle of a Field
7.1-7 22 Nov 23What NASA Is Looking For In Yellowstone National Park
8.1-8 19 Dec 23This Volcano Won't Stop Erupting
9.1-9 25 Mar 24This Upside Down Cave Is a Microscopic Warzone
10.1-1023 Apr 24Why Antelope Canyon Never Looks The Same Twice
11.1-1120 May 24Truffles Are Hiding a Dirty Little Secret
 
Season 2
 
12.2-1 04 Feb 25This is Not A Forest
13.2-2 04 Mar 25How Louisiana's Mega Swamp Breaks Hurricanes
14.2-3 01 Apr 25What Turned These Ancient Trees to Stone?
15.2-4 29 Apr 25There's Something Weird Going On With the Northern Lights
16.2-5 01 Jul 25Why These Bugs Live Inside Plants That Eat Them
17.2-6 22 Jul 25Cuttlefish Are the Ocean's Freakiest Little Weirdos
18.2-7 19 Aug 25This Bay Moves 100 Billion Tons of Water Every Day
19.2-8 16 Sep 25These Ancient Footprints Rewrite North American History
20.2-9 14 Oct 25Why The World's Rarest Fish Is Trapped In The Hottest Desert On Earth
21.2-1028 Oct 25It Looks Like a Desert. But It Has Thousands of Lakes
 
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