00:18201 million years ago, the dinosaur's world is collapsing beneath them.
00:35The continent of Pangea is tearing apart, creating a great divide and a molten apocalypse for
00:54any creature caught in this hell.
01:13For both reptiles and dinosaurs, escape is impossible.
01:31But the worst is yet to come.
01:38An invisible killer is choking the air itself.
01:49Clouds of toxic gases wreak devastation.
02:08Acidic fog poisons everything in its path.
02:35As the gases in the atmosphere grow thicker, temperatures soar.
02:43Annihilating three quarters of all plant species and millions of animals across the planet.
03:11It's known as the End Triassic Mass Extinction.
03:18And it will change everything for the dinosaurs.
03:25Because their versatility and ability to adapt helped them survive this catastrophe far better
03:35than the reptiles.
04:04And they will change everything that gets over there.
04:07They will see you inside the world.
04:10The reign of the ancient reptiles is over.
04:53With their rivals out of the way, the dinosaurs now have a chance to rise from their ruins.
05:07And conquer the world.
05:47The game is over.
06:28Two million years later, the dawn of the most famous era in Earth's history, the Jurassic.
06:48Pangaea has split into two new landmasses.
06:57In the southern continent of Gondwana, life is thriving again.
07:08Terror swords have survived the destruction.
07:14The sky is allowing them to seek refuge away from the chaos.
07:30There are now endless forests here.
07:37And they are filled with dinosaurs.
07:52Dinosaurs like Massospondylus.
08:02He's barely the height of a human, so it's hard to reach the freshest food high in the trees.
08:21But he's got a bigger problem.
08:25A newly evolved rival, Volcanodon.
08:47At 11 meters long, she's more than twice the size of Massospondylus.
08:57She's part of a new branch of plant-eating dinosaurs known as the sauropods.
09:11Famous for their long necks and huge bodies that are supported by four legs instead of just two.
09:27These profound changes will help these giants become the largest animals to ever walk the Earth.
09:40If Massospondylus can't compete, it will be left behind.
09:54While the sauropods are on the rise,
10:01another legend in the making is waiting in the wings.
10:15Caves like these are crawling with strange creatures.
10:23And one of them will give rise to some of the greatest dinosaurs in history.
10:50The tiny Heterodontosaurus.
11:09What makes him exceptional is hard to spot at first.
11:21One thing is clear, however.
11:27He's not one to back down from a challenge.
11:39Especially when there's food at stake.
11:49It's all about the food.
12:03He may only weigh as much as a chihuahua.
12:08But he does have a superpower.
12:12An incredibly strong beak and jaw that allow him to devour almost anything.
12:26And that's not all.
12:29He also has cheek pouches where he can store food to eat later in safety.
12:41He's here to slice the parasite.
12:50But he sees it as an egg in the dark.
12:50He's down to the backyard.
12:51So he's gone.
12:52I didn't know.
12:53He's in the dark.
12:55He's gone.
13:00Maybe he's gone.
13:00He's gone.
13:02He's gone.
13:05He's gone.
13:05This multi-tooled mouth will allow his descendants
13:10to become some of the greatest dinosaurs of all time.
13:18Descendants like the mighty Stegosaurus and even Triceratops.
13:27From small beginnings, great things can grow.
13:45But the dinosaurs will need more than cheek pouches to conquer the planet.
13:54On the northern side of the Great Divide lies the other new continent, Loresia.
14:31Hiding in these waters...
14:34...are the remnants of a once great empire.
14:50The reptiles.
15:00They are a deadly threat in these murky shallows.
15:06But they also need to be wary.
15:15Because they no longer rule the Jurassic Swamps.
15:27They have been usurped by those they once hunted on Pangea's shores.
15:40Dinosaurs.
15:47Dilophosaurus.
15:52With over 60 serrated teeth.
15:57She's twice the length of a polar bear.
16:09And a laser-focused hunter.
16:24And a laser-focused hunter.
16:28But in these flooded forests...
16:35...there are creatures even more frightening than her.
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