00:17201 million years ago, the dinosaur's world is collapsing beneath them.
00:35The continent of Pangaea is tearing apart, creating a great divide and a molten apocalypse for any creature caught in
00:56this 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.
02:08A city 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.
02:49And millions of animals across the planet.
03:11It's known as the End Triassic Mass Extinction.
03:16And it will change everything for the dinosaurs.
03:24Because their versatility and ability to adapt help them survive this catastrophe far better than the reptiles.
04:04We just won't have to go into the planet.
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.
05:06And conquer the world.
05:37The reign of the ancient reptiles are over.
05:44The reign of the ancient reptiles is over.
05:54The reign of the ancient reptiles is over.
06:27Two million years later,
06:32the dawn of the most famous era in Earth's history,
06:40the Jurassic.
06:48Pangaea has split into two new landmasses.
06:57In the southern continent of Gondwana,
07:02life is thriving again.
07:08Terror swords have survived the destruction,
07:13the skies allowing them to seek refuge away from the chaos.
07:30There are now endless forests here,
07:36and they are filled with dinosaurs.
07:52Dinosaurs like Massospondylus.
08:02He's barely the height of a human,
08:05so 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.
08:40Volcanodon.
08:47At 11 meters long,
08:50she's more than twice the size of Massospondylus.
08:57She's part of a new branch of plant-eating dinosaurs,
09:01known as the sauropods.
09:11famous for their long necks and huge bodies
09:17that are supported by four legs instead of just two.
09:27These profound changes will help these giants
09:32become the largest animals to ever walk the Earth.
09:40If Massospondylus can't compete,
09:44it will be left behind.
09:54While the sauropods are on the rise,
10:01another legend in the making
10:02is waiting in the wings.
10:15Caves like these are crawling with strange creatures.
10:23And one of them will give rise
10:27to some of the greatest dinosaurs in history.
10:50the tiny Heterodontosaurus.
11:09What makes him exceptional
11:11is hard to spot at first.
11:21One thing is clear, however.
11:27he's not one to back down from a challenge.
11:37He'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.
12:09But he does have a superpower.
12:12An incredibly strong beak and jaw
12:15that allow him to devour almost anything.
12:26And that's not all.
12:29He also has cheek pouches,
12:32where he can store food to eat later in safety.
12:37That's what the colors are.
12:45The stormtroopers.
12:49And the stormtroopers.
12:51And, of course,
12:56on his own onto the lake.
13:02He's supposed to have aeste of evil.
13:03You will have to destroy her
13:05There's not only one to go,
13:05This multi-tooled mouth will allow his descendants
13:09to become some of the greatest dinosaurs of all time.
13:18Descendants like the mighty Stegosaurus and even Triceratops.
13:26From 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.
14:19Triceratops
14:21Loresia
14:32Hiding in these waters, are the remnants of a once great empire.
14:50The reptiles, they are a deadly threat in these murky shadows.
15:06But they also need to be wary, because 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, she's twice the length of a polar bear.
16:09And a laser-focused hunter.
16:28But in these flooded forests, there are creatures even more frightening than her.
16:40There are creatures even more.
16:53There are creatures even more.
17:20Like a moth to a flame, she follows the mysterious calls.
17:38She follows the mysterious calls.
17:41She follows the mysterious calls.
17:48She follows the mysterious calls.
18:01A male Dilophosaurus, larger and deadlier than her.
18:25He's drawn her hair for a reason.
18:36But it's not bloodlust, it's just plain lust, a coating ritual.
18:50Clawing at the ground is a display of strength.
18:57And to show off his virility, behold his crimson head crest.
19:16Finally, the grand finale.
19:23The song of the Swamp King.
19:45For a ferocious predator, he's remarkably gifted.
19:57But the future of her bloodline depends on her choice.
20:02And he's just not gifted enough.
20:16Ensuring the continuation of their species is critical.
20:23But far below, the Earth itself poses a threat to their very existence.
20:47This time, from the Jurassic Seas.
21:02An alien world, full of bizarre creatures.
21:23The most dangerous of them all.
21:28The pliosaurs.
21:34The great sea monsters that rule the oceans.
21:41They are one reason that dinosaurs have not entered this frontier.
21:50But the real threat to the dinosaurs lies below.
22:03Methane.
22:15This greenhouse gas was frozen under the seabed for millions of years.
22:24But warming oceans are causing it to leach out.
22:28With a devastating sound effect for the entire globe.
22:43Extreme heat.
22:49The endless forests that Massospondilus once roamed are now a parched wasteland.
23:07The plants he relied on for food are nearly all gone.
23:19Many of his kind have died from starvation.
23:24And the rising temperatures have turned his home into a tinderbox.
23:32And the rising temperatures have turned his home into a tinderbox.
24:02More spoke of the dead surface.
24:03He did not.
24:11The existing hose was planted.
24:11He got down.
24:11And he was never sees the soil.
24:11Great.
24:12And the rising temperatures have turned his home into a large group.
24:13And he got down.
24:13He grabbed his home into a mighty shape.
24:13He got down.
24:13He got down.
24:15He got down.
24:20He was dead.
24:25It's the final nail in the coffin for mastospundalus.
24:38They're 17.
24:57Eventually, other dinosaurs will rise to take their place.
25:08In that time, Earth's two continents will drift even further apart,
25:16creating a fragmented world with new lands for the dinosaurs to conquer.
25:45It's more than 20 million years since the fall of mastospundalus.
25:51And here in the mountains of what will one day be China,
25:56the climate has cooled.
26:01Life is flourishing.
26:11And a revolution is taking place.
26:33Within these cold, dawn forests,
26:37something is stirring.
26:55Sauropods.
26:59The great four-legged dinosaurs.
27:14Mementosaurus.
27:17A giant of the Jurassic.
27:33Mementosaurus.
27:39Nearly 40 million years after their ancestor, Fulcanodon,
27:44made its monumental rise.
27:48Mementosaurus is now so gigantic
27:52they're just standing up as a mammoth task.
27:56They're just standing up as a mammoth task.
28:07They're just standing up as a mammoth task.
28:42They have the longest necks of any animal in history
28:47that can reach as high as a five-story bitch.
28:51that can reach as high as a five-story big.
28:57building, and they're not the only giants that live in this forest.
29:03The trees are reaching ever greater heights as well, to avoid being completely consumed
29:09by these towering beasts.
29:17But there is a catch to being this tall.
29:23A 15-meter-long neck can only support a tiny head that houses a brain smaller than an apple.
29:58The evolutionary focus on size over smarts will help the sauropods become the most dominant
30:07herbivores of the Jurassic Age.
30:22But they're not the only ones in this forest who are moving up in the world.
30:38Anki Ornis.
30:43Yes, he looks a bit like a chicken, and he is about the size of one.
30:49But he's nevertheless a dinosaur.
30:58A dinosaur with feathers and newly evolved wings.
31:27Cyanraptor.
31:32Another dinosaur.
31:34Cyanraptor.
31:37But one willing to haunt its own tiny cousin.
31:40Cyanraptor.
31:58His primitive wings are next to useless on the ground.
32:22But that doesn't mean he's confined to the ground.
32:56He's confined to the ground.
33:01Up here, his wings aren't just for show.
33:20He's one of the first dinosaurs to be able to glide.
33:32And with such skill that he can even catch food midair.
33:44Flight will turn out to be one of the dinosaurs' greatest leaps forward.
33:59But Angionis is still just a beginner here.
34:11For the time being, this airspace...
34:19belongs to the pterosaurs.
34:28The flying dinosaurs are outgunned in the skies for now.
34:39But in time, the pterosaurs will meet their match.
34:52As the planet continues to evolve, so do the dinosaurs.
35:03And as the end of the Jurassic draws nearer, their control over the land on both continents is only getting
35:15stronger.
35:24It's seven million years since Angionis took to the air.
35:36Here, in what will one day be North America...
35:44Geothermal heat simmers at the surface.
35:50An echo of past extinctions.
36:02The sauropods here are larger than ever.
36:20The sauropods here are larger than ever.
36:23The sauropods on an altogether different track.
36:31Stegosaurus.
36:37A far cry from their tiny, cheek-stuffing ancestors.
36:46They are now as heavy as elephants.
36:49And equipped with armor, camouflage, and weapons.
36:57And here in the late Jurassic, they need the protection.
37:17The sauropods.
37:18Because there is danger in these dark forests.
37:30Allosaurus.
37:35Eight meters long, with dagger-like teeth,
37:39they are the most successful predators of their day.
37:50But this young male is not stalking.
37:56He's stealing.
38:04A female.
38:10Same species.
38:13But larger.
38:14Stronger.
38:16And battle-scarred.
38:19And battle-scarred.
38:33Any possession?
38:38Yeah.
38:59A female.
39:01See you.
39:03him.
39:48The rainstorms have passed.
39:54The young male hasn't eaten in weeks.
40:04He has no choice but to try his luck on a herd of Stegosaurus.
40:21But he can't hide his approach when he's out in the open.
40:27Which gives the herd time to prepare their defenses.
40:37They form a wall of moving bodies and spikes.
40:46It's intimidating and confusing for the young Allosaurus.
40:55He can't pick out which one to attack.
41:09But he's got other problems.
41:14The veteran female has just joined the game.
41:20And she's been playing this game for a lot longer than he has.
41:33She's able to isolate one of the herd.
41:41But Stegosaurus has evolved a perfect weapon.
41:47A mace-like tail with meter-long spikes.
41:52Called a thagomizer.
41:54She has run away from here.
41:55Bump!
42:10No!
42:51For the female, it's game over.
43:00For the young male, it's payback and lunch because Allosaurus are cannibals.
43:25Fifty million years after surviving an apocalypse, the dinosaur's dominion over Earth is now absolute.
43:47But the world they've come to know is changing.
43:58Temperatures are dropping across the globe.
44:07Bringing snow to the northern regions of the planet.
44:14Something few dinosaurs have ever experienced.
44:26From these frozen lands, a new kind of dinosaur will rise.
44:41The Tyrannosaurs are coming.
45:14The Tyrannosaur's Museum of Americanune
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