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.
03:37So, let's go.
03:38Let's go.
03:49Let's go.
03:56Let's go.
03:59Let's go.
04:10The reign of the ancient reptiles is over.
04:54With their rivals out of the way,
04:58the dinosaurs now have a chance to rise from their ruins and conquer the world.
05:36The reign of the ancient reptiles is over.
06:16The reign of the ancient reptiles is over.
06:26The reign of the ancient reptiles is over.
06:28Two million years later, the dawn of the most famous era in Earth's history, the Jurassic.
06:48Pangea has split into two new land masses.
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.
07:36And they are filled with dinosaurs.
07:53Dinosaurs 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.
08:34Volcanodon.
08:41At 11 meters long, she's more than twice the size of Massospondylus.
08:51She's part of a new branch of plant-eating dinosaurs known as the sauropods.
09:05Famous for their long necks and huge bodies that are supported by four legs instead of just two.
09:21These profound changes will help these giants become the largest animals to ever walk the Earth.
09:34If Massospondylus can't compete, it will be left behind.
09:48While the sauropods are on the rise, another legend in the making is waiting in the wings.
10:09Caves like these are crawling with strange creatures.
10:17And one of them will give rise to some of the greatest dinosaurs in history.
10:44The tiny Heterodontosaurus.
11:03What makes him exceptional is hard to spot at first.
11:15One thing is clear, however.
11:21He's not one to back down from a challenge.
11:33Especially when there's food at stake.
11:43It's all about the food.
11:57He may only weigh as much as a chihuahua.
12:02But he does have a superpower.
12:07An incredibly strong beak and jaw that allow him to devour almost anything.
12:20And that's not all.
12:23He also has cheek pouches where he can store food to eat later in safety.
12:57And that's not the most.
12:59This multi-tooled mouth will allow his descendants
13:04to become some of the greatest dinosaurs of all time.
13:12Descendants like the mighty Stegosaurus,
13:15and even Triceratops.
13:20From small beginnings, great things can grow.
13:39But the dinosaurs will need more than cheek pouches
13:43to conquer the planet.
13:48On the northern side of the Great Divide
13:52lies the other new continent, Loresia.
14:28Loresia
14:29Remnants of a once-great empire.
14:44The reptiles.
14:54They are a deadly threat in these murky shadows.
15:01But they also need to be wary.
15:09Because they no longer rule the Jurassic swamps.
15:21They have been usurped
15:24by those they once hunted on Pangea's shores.
15:34Dinosaurs.
15:41Dylophosaurus.
15:46With over 60 serrated teeth,
15:51she's twice the length of a polar bear.
16:03And a laser-focused hunter.
16:22But in these flooded forests,
16:29there are creatures
16:31even more frightening than her.
16:35The
16:36The
17:00SIREN SIREN
17:14Like a moth to a flame, she follows the mysterious calls.
17:55A male Dilophosaurus, larger and deadlier than her.
18:19He's drawn her hair for a reason.
18:30But it's not bloodlust.
18:33It's just plain lust.
18:39A coating ritual.
18:44Clawing at the ground is a display of strength.
18:50And to show off his virility, behold his crimson head crest.
19:10Finally, the grand finale.
19:17The song of the Swamp King.
19:39For a ferocious predator, he's remarkably gifted.
19:51But the future of her bloodline depends on her choice.
19:56And he's just not gifted enough.
20:11Ensuring the continuation of their species is critical.
20:17But far below, the Earth itself poses a threat to their very existence.
20:41This time, from the Jurassic Seas.
20:56An alien world.
21:02Full of bizarre creatures.
21:17The most dangerous of them all.
21:22The pliosaurs.
21:28The great sea monsters that rule the oceans.
21:35The great sea monsters that rule the oceans.
21:47lies below.
21:58Methane.
22:09This greenhouse gas was frozen under the seabed for millions of years.
22:17But warming oceans are causing it to leach out with a devastating sound effect for the
22:27entire globe.
22:37Extreme heat.
22:44The endless forests that Massospondylus once roamed are now a parched wasteland.
23:02The plants he relied on for food are nearly all gone.
23:13Many of his kind have died from starvation.
23:18And the rising temperatures have turned his home into a tinderbox.
23:27The
23:27The
23:27The
23:34Let's go.
24:19It's the final nail in the coffin for Massospundus.
24:31Their seventeen-million-year existence brought to a tragic end.
25:02Eventually, other dinosaurs will rise to take their place.
25:13In that time, Earth's two continents will drift even further apart, creating a fragmented world
25:24with new lands for the dinosaurs to conquer.
25:45It's more than 20 million years since the fall of Massospundus.
25:51And here, in the mountains of what will one day be China, the climate has cooled.
26:00Life is flourishing.
26:11And a revolution is taking place.
26:32Within these cold dawn forests, something is stirring.
26:58The great four-legged dinosaurs.
27:14Mamentisaurus.
27:15A giant of the Jurassic.
27:39Nearly 40 million years after their ancestor, Fulcanodon, made its monumental rise.
27:48Mamentisaurus is now so gigantic that just standing up is a mammoth task.
27:56Mamentisaurus.
28:21Mamentisaurus.
28:22Mamentisaurus.
28:24Mamentisaurus.
28:27Mamentisaurus.
28:28Mamentisaurus.
28:37Mamentisaurus.
28:42Mamentisaurus.
28:43Mamentisaurus.
28:43Mamentisaurus.
28:44Mamentisaurus.
28:44Mamentisaurus.
28:44Mamentisaurus.
28:45Mamentisaurus.
28:46Mamentisaurus.
28:49Mamentisaurus.
28:50Mamentisaurus.
28:56building and they're not the only giants that live in this forest the trees are
29:04reaching ever greater heights as well to avoid being completely consumed by
29:10these towering beasts
29:17but there is a catch to being this tall
29:23a 15 meter long neck can only support a tiny head
29:35that houses a brain smaller than an apple
29:58the evolutionary focus on size over smarts will help the sorry parts become the most dominant herbivores
30:07of the jurassic age
30:22but they're not the only ones in this forest who are moving up in the world
30:39anky ornus
30:43yes he looks a bit like a chicken
30:46and he is about the size of one
30:49but he's nevertheless
30:54a dinosaur
30:58a dinosaur with feathers
31:02and newly evolved wings
31:26cyonraptor
31:32another dinosaur
31:36but one willing to hunt its own tiny cousin
31:58his primitive wings are next to useless on the ground
32:22but that doesn't mean he's confined to the ground
32:45and the other one
33:00Up 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.
33:43Flight will turn out to be one of the dinosaur's greatest leaps forward.
33:59But Anchionis is still just a beginner here.
34:10For the time being, this airspace belongs to the pterosaurs.
34:29The flying dinosaurs are outgunned in the skies for now.
34:38But in time, the pterosaurs will meet their match.
34:51As 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,
35:13is only getting stronger.
35:24It's seven million years since Anchionis took to the air.
35:36Here, in what will one day be North America,
35:44Geothermal heat simmers at the surface.
35:49An echo of past extinctions.
36:02The sauropods here are larger than ever.
36:09Their strategy of bigger is better is paying off.
36:19But these dinosaurs are evolving on an altogether different track.
36:30Stegosaurus.
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.
37:17Because there is danger in these dark forests.
37:30Allosaurus.
37:35Eight meters long, with dagger-like teeth,
37:40they are the most successful predators of their day.
37:50But this young male is not stalking.
37:55He's stealing.
38:04A female.
38:05A female.
38:10Same species.
38:12But larger.
38:14Stronger.
38:16And battle-scarred.
38:17Half- spot,
38:21Pyakin-
38:22Compact.
38:25Ah.ued...
38:40Charger
38:46.ε
38:59The young male is lucky she didn't kill him.
39:46The young male is lucky she didn't kill him.
39:47The rainstorms have passed.
39:53The 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, which gives the herd time to prepare
40:31their 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.
41:32She's able to isolate one of the herd.
41:40But stegosaurus has evolved a perfect weapon, a mace-like tail with meter-long spikes called
41:52a thangomizer.
41:55A thangomizer.
42:11A thangomizer.
42:13A thangomizer.
42:17A thangomizer.
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 Tyrannosaurus
45:27The Tyrannosaurus
45:30The Tyrannosaurus
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