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The Croc That Ran on Hooves

In the Eocene Epoch, there was a reptile that had teeth equipped for biting through flesh, its hind legs were a lot longer than its front legs and instead of claws, its toes were each capped with hooves. How did this living nightmare come to evolve?
Season 2 Episode 22 Length 08:41 Premiere: 05/01/19

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Season 2 Episodes

Were These Monsters Inspired by Fossils? (ASL)
S2 E59 Length 12:18 Premiere Date 10/29/19

When Giant Lemurs Ruled Madagascar (ASL)
S2 E58 Length 10:09 Premiere Date 09/25/19

When We Took Over the World
S2 E57 Length 11:47 Premiere Date 05/14/19

The Ghostly Origins of the Big Cats
S2 E56 Length 07:32 Premiere Date 05/31/19

When Penguins Went From The Sky To The Sea
S2 E55 Length 10:33 Premiere Date 03/26/20

When the Sahara Was Green
S2 E54 Length 07:50 Premiere Date 03/26/20

How a Hot Planet Created the World's Biggest Snake
S2 E53 Length 07:45 Premiere Date 03/09/20

When the Rainforests Collapsed
S2 E52 Length 07:40 Premiere Date 02/21/20

A Short Tale About Diplodocus' Long Neck
S2 E51 Length 09:18 Premiere Date 02/21/20

How South America Made the Marsupials
S2 E50 Length 09:51 Premiere Date 02/20/20

The Giant Dinosaur That Was Missing a Body
S2 E49 Length 12:00 Premiere Date 01/30/20

The Neanderthals That Taught Us About Humanity
S2 E48 Length 09:09 Premiere Date 01/23/20

That Time the Mediterranean Sea Disappeared
S2 E47 Length 11:10 Premiere Date 01/21/20

The Fuzzy Origins of the Giant Panda
S2 E46 Length 08:20 Premiere Date 12/19/19

The Forgotten Story of the Beardogs
S2 E45 Length 09:37 Premiere Date 12/19/19

Why Male Mammoths Lost the Game (w/ TierZoo!)
S2 E44 Length 11:02 Premiere Date 12/19/19

When Giant Hypercarnivores Prowled Africa
S2 E43 Length 09:17 Premiere Date 12/19/19

How We Domesticated Cats (Twice)
S2 E42 Length 07:47 Premiere Date 11/08/19

Were These Monsters Inspired by Fossils?
S2 E41 Length 12:18 Premiere Date 11/06/19

When Hobbits Were Real
S2 E40 Length 09:10 Premiere Date 11/06/19

The Case of the Dinosaur Egg Thief
S2 E39 Length 07:28 Premiere Date 11/06/19

When Antarctica Was Green
S2 E38 Length 11:03 Premiere Date 11/06/19

When Giant Lemurs Ruled Madagascar
S2 E37 Length 10:09 Premiere Date 11/06/19

How Pterosaurs Got Their Wings
S2 E36 Length 08:33 Premiere Date 11/06/19

When Bats Took Flight
S2 E35 Length 11:09 Premiere Date 10/24/19

The Raptor That Made Us Rethink Dinosaurs
S2 E34 Length 08:35 Premiere Date 10/24/19

The Missing Link That Wasn’t
S2 E33 Length 09:54 Premiere Date 10/24/19

Was This Dinosaur a Cannibal?
S2 E32 Length 10:37 Premiere Date 10/24/19

When Giant Deer Roamed Eurasia
S2 E31 Length 06:53 Premiere Date 08/13/19

How Earth's First, Unkillable Animals Saved the World
S2 E30 Length 10:12 Premiere Date 08/11/19

How Volcanoes Froze the Earth...Twice
S2 E29 Length 10:29 Premiere Date 08/11/19

When We Met Other Human Species
S2 E28 Length 12:56 Premiere Date 08/11/19

When Ichthyosaurs Led a Revolution in the Seas
S2 E27 Length 09:38 Premiere Date 06/25/19

When the Synapsids Struck Back
S2 E26 Length 10:10 Premiere Date 06/19/19

How Evolution Works (And How We Figured It Out)
S2 E25 Length 12:09 Premiere Date 06/13/19

The Hellacious Lives of the "Hell Pigs"
S2 E24 Length 07:17 Premiere Date 06/13/19

The History of Climate Cycles (and the Woolly Rhino)
S2 E23 Length 13:14 Premiere Date 06/03/19

The Croc That Ran on Hooves
S2 E22 Length 08:41 Premiere Date 05/01/19

The Mystery Behind the Biggest Bears of All Time
S2 E19 Length 10:41 Premiere Date 04/25/19

When We Tamed Fire
S2 E18 Length 11:46 Premiere Date 04/25/19

When Giant Scorpions Swarmed the Seas
S2 E17 Length 11:38 Premiere Date 04/04/19

When We First Made Tools
S2 E16 Length 09:08 Premiere Date 04/01/19

The Giant Bird That Got Lost in Time
S2 E15 Length 08:33 Premiere Date 03/12/19

The Island of Huge Hamsters and Giant Owls
S2 E14 Length 11:41 Premiere Date 03/12/19

How 7,000 Years of Epic Floods Changed the World
S2 E13 Length 09:28 Premiere Date 03/01/19

The Evolution of the Heart (A Love Story)
S2 E12 Length 09:00 Premiere Date 02/14/19

The Island of Shrinking Mammoths
S2 E11 Length 11:20 Premiere Date 02/11/19

The Humans That Lived Before Us
S2 E10 Length 11:52 Premiere Date 02/08/19

How Blood Evolved (Many Times)
S2 E9 Length 09:56 Premiere Date 01/18/19

When Humans Were Prey
S2 E8 Length 09:21 Premiere Date 01/16/19

Why Megalodon (Definitely) Went Extinct
S2 E7 Length 10:45 Premiere Date 01/16/19

When Apes Conquered Europe
S2 E6 Length 08:08 Premiere Date 01/16/19

When Sharks Swam the Great Plains
S2 E5 Length 11:45 Premiere Date 01/16/19

How Sloths Went From the Seas to the Trees
S2 E4 Length 11:45 Premiere Date 01/16/19

When Camels Roamed North America
S2 E3 Length 09:45 Premiere Date 01/16/19

When Birds Stopped Flying
S2 E2 Length 07:14 Premiere Date 01/16/19

When Rodents Rafted Across the Ocean
S2 E1 Length 09:59 Premiere Date 01/16/19

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