00:15In the depths of space, a threat is looming.
00:22Trapped between the orbits of Jupiter and Mars,
00:28the asteroid belt.
00:32One and a half million chunks of ancient rock circling the Sun,
00:43drifting endlessly.
00:55But in a single moment of pure chance,
01:04one asteroid is thrown out of its orbit.
01:10A fleeting instant, millions of kilometers from Earth,
01:16sends it on a new trajectory towards the very center of our solar system.
01:34But its journey will come to a sudden and violent end,
01:41in one of the most catastrophic events in Earth's history.
01:50And the final chapter in the epic story of the dinosaurs.
02:25Due to its passing, the
04:00Hundreds of tropical islands and opportunity.
04:19But these islands are no paradise.
04:26They are home to a formidable predator.
04:34One of the fastest, most agile dinosaurs of its kind.
04:43North America's answer to the Spinosaurus.
05:00Just not in the way you would think.
05:02Not even remotely.
05:08This is Hesperonis.
05:12He is formidable.
05:15And he is fast.
05:19But he's pretty much the opposite of his giant terrifying cousins.
05:35He's awkward.
05:37And clumsy.
05:41And has tiny teeth.
05:44Not exactly the traits of a ferocious hunter.
05:50But what he does share with Spinosaurus is that he's not confined to dry land.
06:04In fact, he's the most advanced aquatic dinosaur in history.
06:17Like some sort of prehistoric penguin.
06:22He's able to swim far out the sea to access feeding grounds that were previously out of reach.
06:51This is the bounty of his new blue realm.
07:05Down here, his big clumsy feet become powerful propellers.
07:14And his 94 needle sharp teeth snatch fish with ease.
07:38But as an air breather, he's still tied to the surface.
07:56And the surface is not a safe place to linger.
08:03Because below, there are beasts.
08:09Twice the size of a killer whale.
08:28The apex predators of these seas.
08:33The apex predators of these seas.
08:41Laforeώνus
08:43The apex predators at the dead.
08:49The apex inhabitants are不要.
09:01From the force of the dead.
09:12...which gives the Mosasaur one last shot.
09:36Aspiranus is a true survivor, venturing further into the ocean than any dinosaur ever has.
09:49But these waters are treacherous, even for the best swimmers.
10:02Despite the dinosaur's success in the shadows, the Mosasaurs rule the waves.
10:19800 miles north, on land, it's a different story.
10:37Furelled by a warm, stable climate, the dinosaur's dominance here is unrivaled.
10:53The great sauropods are thriving among the tall trees, as they have since the dawn of the Jurassic.
11:08But down below, there has been a revolution.
11:17A female handersaw.
11:24While she may be dwarfed in present company, she's actually larger than an elephant.
11:34And she won't be held up by these giants, because nothing can stop a mother on a mission.
11:45And that mission is to feed her family, who are somewhere down there.
12:07Long ago, their cheek-stuffing ancestors were scarce and scattered.
12:16But hadrosaurs are now so successful, their herds are thousands strong.
12:25The greatest gatherings of dinosaurs the world has ever known.
12:34But this female's family isn't traveling with the herd.
12:39There in the safety of the creche.
12:43A sprawling nursery for hundreds of young hadrosaurs.
12:51Including her own.
12:58At six months old, they have insatiable appetites.
13:03And will eat almost anything she brings them.
13:11Anything.
13:24Feeding in this bird-like way takes a lot of refills.
13:30So, she's constantly leaving to go find food.
13:36And when moms are away, little ones will play.
14:05With the wingspan of a fighter jet.
14:09Pterosaurs are now bigger.
14:11More than ever.
14:14More than ever.
14:15And creches are the perfect hunting grounds.
14:19Where unguarded nests are the easiest pickings.
14:26These are the ones that we will see.
14:27I know.
14:28Most of the people in the wilderness.
14:36No, no, no!
14:43It's not so much.
14:44There are enough men.
14:45Even this boy was one of the big wings, no.
14:47Better be a lord of filmer.
14:47Even this boy would have been there.
14:49We're not so much more.
14:50Maybe we're not so much more.
14:53It will be a good time for the men.
15:07But the giant pterosaur is determined to feed.
15:19The screams from the nest are like a dinner bell to the predator.
15:40But the little ones aren't just crying in fear, they're calling for help.
16:06This fierce instinct to protect their young is central to the Hadrosaur's remarkable success.
16:18But other dinosaurs are taking defense to a whole new level.
16:26Because the arms race between predator and prey is escalating.
16:33And this will give rise to the most iconic dinosaurs of all time.
16:45This will take so long that the continent of North America will shift.
16:53The land buckling up into the sky.
17:06The Rocky Mountains.
17:10It's here in the foothills below that the dinosaurs are making an impact.
17:28Pachycephalosaurus.
17:31Using their outrageously thick skulls.
17:37To duel for supremacy.
17:45And alongside them...
17:48A dinosaur with even more impressive headgear.
18:00Triceratops.
18:05Triceratops.
18:10She may look like a rhinoceros.
18:13Triceratops.
18:14But she is twice the size of one.
18:30Triceratops.
18:32Triceratops and Pachycephalosaurus have impressive weapons.
18:40Yet there are some here that are even more armed and dangerous.
18:58Under the cover of darkness, the latest and greatest of the armored warriors.
19:07Six meters long and highly territorial.
19:16Ankylosaurus, Magnaventress.
19:26He's on patrol for intruders.
19:31Bold enough to breach his borders.
19:42His tank-like torso is covered in dozens of thick, bony plates.
19:54And what's more, he has a powerful new weapon.
20:04A club-like tail, weighing half a ton.
20:09That he can use to take on whatever stalks these forests.
20:20He senses something.
20:21Got him.
20:44A building wellbeing isれた a side, but it's not so fast.
20:51The building wasn't rien for yet to do.
20:51His borders have been breached by the worst possible intruder of all.
21:12A Tyrannosaurus Rex.
21:30The
21:43Let's go.
22:02Let's go.
22:33Let's go.
22:40Ankylosaurus versus T-Rex.
22:53An evolutionary stalemate.
22:56Millions of the years in the making.
23:19But in this arms race...
23:23There's one thing that does set these dinosaurs apart.
23:31Intelligence.
23:32No!
23:35No!
23:39No!
23:47No!
23:50No!
23:54No!
23:57No!
24:01No!
24:03No!
24:06No!
24:14T-Rex is one of the most fearsome predators of all time, and to remain at the top of
24:24her game, she must eat the equivalent of 200 steaks every day.
24:34And yet, so far, she hasn't eaten a single bite.
24:43That's because she has special plans for this takeout meal.
24:53But ankylosaurus is no light snack.
25:05Six tons of muscle and bone, with an assortment of lumps and bumps.
25:25Even for T-Rex, it's quite a drag.
25:29T-Rex, it's quite a drag.
26:05Finally, her journey's end, and the reason she's gone through all this effort…
26:34Five hungry hatchlings…
26:50A ferocious killer?
26:53Yes.
26:55But also, a devoted mother.
27:15She will ensure… her little ones are well fed.
27:25To give them the very best start in life.
27:33Something their distant ancestors could only dream of.
27:42Far back in the Triassic, tiny Marasuchus hatched into hell.
27:50These dinosaurs in the making, forced to live in the shadows, hiding from the ruling reptiles.
28:03But when fate intervened, they turned catastrophe into opportunity.
28:15And began their monumental rise.
28:22Growing bigger, stronger, and ever more formidable.
28:34In time, they would triumph, not just on land, but in the sea and the sky.
28:47After 160 million years, the dinosaurs are now so dominant, nothing on earth can stand in their way.
29:06But something not of this earth will.
29:12Because as this family's journey is just getting started, another journey is approaching its end.
29:27The asteroid, now hurtling towards earth at 50 times the speed of sound, will finally have its date with destiny.
29:39By the end.
30:07But what means is the geobra möglichst significant?
30:12It smashes into the ocean off the coast of Mexico
30:18with the power of a billion atomic bombs.
30:24Temperatures are hot enough to vaporize the seabed.
30:30Along with every living thing for hundreds of kilometers.
30:44Far away in the foothills of the Rockies,
30:48these great dinosaurs have no idea what's about to hit them.
31:16The largest earthquakes in history.
31:29But the worst is yet to come.
31:34An enormous wall of superheated debris explodes outward.
31:57The dinosaurs caught beneath this death cloud are entombed.
32:07Their world is so hot, it literally bursts into flames.
32:21Even the toughest armor is no protection.
32:35The cloud quickly engulfs the entire planet.
32:40Suffocating it with ash.
32:44Shrouding it in darkness.
32:59Shrouding it in darkness.
33:15Teresa and her daily finish as the throne dad is in CAPC calling her sacrifice.
33:32The few, still standing at the end of the day, are in a nightmare, choking in the gloom.
34:14The few, still standing at the end of the day, are in a nightmare, choking in the gloom.
34:16For the dinosaurs, is catastrophic.
34:49Today, an impact winter descends on the earth.
35:00Global temperature is dropped by 25 degrees Celsius, conditions too cold for almost any
35:12dinosaur to withstand.
35:27Giant sauropods laid to rest in the cinders of the buried trees that made them so tall.
35:52In their crowded colonies, those who lived together, died together.
36:08Protective mothers cannot shield their young from their freezing temperatures.
36:20The punishing cold has also taken its toll on the most famous dinosaur of all.
36:36The tyrant king has fallen.
37:01Even the mighty tyrannosaurus rex will not survive this.
37:09The tyrant.
37:10The tyrant.
37:22The tyrant.
37:24The tyrant.
37:25The tyrant.
37:29Absolutely.
37:39Even the tyrant.
37:43Everybody can't see him near theル m dł defendant.
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37:51didn't buy them, 감� прямо giai, den civilization and dolphins. To be dessus
38:15But 66 million years later the dinosaurs are rising again.
38:30This time, at our hands.
38:41Today, their fossils stand as monuments to a lost world.
38:47But more than that, they are the keys that unlock the secrets of the dinosaur story.
38:59Today, our understanding of their lives is now greater than ever.
39:05From their very first moments to their very last.
39:14And the revelation that on Earth's darkest day, not all dinosaurs died.
39:24Some were small enough to find shelter from the apocalypse.
39:33And survive even to this day.
39:40The flying dinosaurs, we now call the birds.
39:50And the clues to their past are hiding in plain sight.
40:17The remarkable journey that started 235 million years ago.
40:30They are the last remaining link to a long-lost kingdom that was the age of the dinosaurs.
41:16The doctors' uns Madrid Congress, were jailed by the
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