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00:10One hundred and twenty-five million years ago, winter rages across the north.
00:26Entire species have been pushed to the brink.
00:40Even the largest dinosaurs are unable to endure this cold.
00:52Like these sauropods migrating south.
01:04Wreda came early this year and caught them off guard.
01:20With hundreds of kilometers ahead of them, this time it will be an especially harsh journey.
01:33But the bitter cold is not the only danger in this frozen land.
01:41There is a much greater threat here in these woods.
02:06Euteranus, the Snow King.
02:13An early relative of T-Rex.
02:20With a thick, insulating coat of feathers, he's perfectly adapted for life in a world this cold.
02:35But his feathers also serve a more sinister purpose.
02:47Camouflage.
02:48The ultimate weapon for an ambush hunter.
03:16With silent precision, he picks out the smallest member of the herd.
03:41Oh, my God.
03:52In a savage, ever-changing world,
03:56some will rise,
03:59and some will fall.
04:06But through it all,
04:08the dinosaurs will expand their empire
04:12and advance relentlessly
04:16to seize Earth's final frontiers.
04:49Thanks for listening.
04:51It's so important in closing and losing
05:47It's a new age for life on Earth.
05:52An age of extremes.
05:56New worlds are forming that will give rise to the most famous dinosaurs of all time.
06:10The North is still gripped by cold, but not for much longer.
06:23Earth's most violent forces are staring once again.
06:33Volcanoes seethe and fume, warming the planet.
06:52But some will pay a price for this warmer world.
06:57It's a new world.
07:10It's a new world.
07:15It's a new world.
07:20It's a new world.
07:30It's a new world.
07:53It's a new world.
08:13It's a new world.
09:03It's a new world.
09:22It's a new world.
09:25It's a new world.
09:32It's a new world.
10:06It's a new world.
10:07It's a new world.
10:07It's a new world.
10:24It's a new world.
10:35It's a new world.
10:58It's a new world.
11:04It's a new world.
11:29It's a new world.
11:37It's a new world.
12:24It's a new world.
12:25It's a new world.
12:31It's a new world.
12:33It's a new world.
12:57It's a new world.
13:07It's a new world.
13:19It's a new world.
13:23It's a new world.
13:27It's a new world.
13:27It's a new world.
13:28It's a new world.
13:36It's a new world.
13:46It's a new world.
13:47spread far and wide across the globe,
13:56transforming the dinosaur's empire.
14:12But this new generation of plants
14:15has a dark side.
14:25While they need to attract pollinators,
14:29many are also evolved to repel herbivores.
14:37With spines,
14:41thorns,
14:42and poisons.
14:50Nature's defensive weapons.
14:58This green revolution changes everything
15:03for the plant-eating dinosaurs,
15:09including the great stegosaurs.
15:21They're herd animals by nature.
15:25But this young stegosaur,
15:29barely two years old,
15:31is all alone.
15:39She is the last of her herd.
15:42She is the last of her herd.
15:57And this requires a mouth that can chew food
16:00in a way her primitive jaw cannot.
16:11She's starving.
16:27She is the last of her herd.
16:28These once great herbivores
16:30are unable to adapt to this new world.
16:41It's one reason why their 50 million-year existence
16:45will come to an end, extinction.
16:58But in the wake of the stegosaur's demise,
17:03a new era will emerge.
17:12Over the next 15 million years, these new plants
17:17evolve and diversify, spreading across the planet
17:23and ever further into the dinosaur's empire.
17:36The Green Revolution now covers the globe,
17:42and not just the land, but the water as well.
17:53Even providing cover and food for underwater explorers,
18:04like ankylosaurs.
18:26And this bathing beauty is a different kind of dinosaur.
18:39He's a plant-eater, like the stegosaurs,
18:44but a fancier one, much fancier.
18:54Because unlike the stegosaurs, his advanced jaw
19:00can crush food in a way that makes eating any kind of plant easy.
19:09It's the perfect adaptation for this diverse new world.
19:22He wants to take full advantage of all this great kingdom
19:27has to offer, and he has a plan.
19:41It's a long trek, but the journey is worth it.
20:07This is the one place where he can truly be himself.
20:11This is the one place where he can truly be himself.
20:11This is the one place where he can truly be himself.
20:23His passion is singing.
20:33He even has special olives in his snout
20:36that amplify his song.
20:44So it can be heard far and wide.
20:48So it can be heard far and wide.
21:06So it can be heard far and wide.
21:31A female has answered his call.
21:37It's time to charm her with his deep, sultry humming.
21:50Then he shows her his stylish armor.
22:04It's all very persuasive.
22:27Their fancy attire does have some drawbacks, mind you.
22:35On the whole, though, heavy armor and an improved jaw are setting them up for success.
22:50But what no dinosaur could possibly know is that their empire has been gradually shrinking.
23:04Hidden below the waves, this world, once ruled by dinosaurs, is now completely out of their
23:18reach.
23:25And there's a reason.
23:32At the very bottom of the ocean, a slow, imperceptible shift reshaping the planet.
23:51The seabed is fracturing from an endless progression of eruptions.
24:25Earth's tectonic plates are shifting.
24:30Breaking apart the ocean floor, lifting it higher over millions of years.
24:42The water above has nowhere else to go but up.
24:49By the middle of the Cretaceous, sea levels reach their highest point in history.
24:57Over 200 meters higher than they are today.
25:18The rising oceans repaint the map of the world, erasing entire land masses.
25:30The continent of Europe is reduced to a giant archipelago that includes the Isle of Hatzig.
25:45Where isolation and evolution have created a kind of neverland for the dinosaurs.
25:54A world where normal rules don't apply.
26:04This is the home of Magyarosaurus.
26:10A sauropod.
26:15And, like other sauropods, he uses his long neck to reach the highest vegetation.
26:33Thing is, this vegetation is only two meters tall.
26:42Which makes Magyarosaurus about the size of a pony.
27:02On Hatzig, where there's limited space and food, sometimes smaller is better.
27:11Yeah.
27:27But unlike Magyarosaurus, for predators, bigger is still better.
27:49As tall as a giraffe, one of the largest pterosaurs to ever live.
28:00The nightmare, Hatzigopteryx.
28:05The nightmare, Hatzigopteryx.
28:10She's flown to this island, to feed on dinosaurs.
28:25The youngest member of the herd gets separated.
28:36But it won't be an easy catch.
28:41Unlike his giant cousins, he's light on his feet.
28:49Up, up.
28:58The
28:59has been a pretty trap.
28:59No, no, no.
29:04It's been a perfect season.
29:05All thrown to dolphins.
29:08The air has been a very smooth place.
29:09It's been a perfect season.
29:10A fantastic ship.
29:12The sea is a perfect place.
29:13It's been a greatensor.
29:14A very large ship.
29:15They can't see the others.
29:24They found a safe hiding spot.
29:27Perfect for their size.
30:01I can't see the others.
32:19But that's about to change.
32:56A dinosaur pioneer.
33:12Spinosaurus.
33:20The largest predator to ever walk the earth.
33:29At 15 meters long, she's bigger than a school bus.
33:41The forest provides plenty of prey.
33:48But another reason she's gotten this big is because of where she goes to escape the gloom of the swamp.
34:14Here, the high sea levels have turned the oceans into a new hunting ground for the dinosaurs.
34:23Where bigger is definitely better.
34:54Spinosaurus is adapted to a planet that is now.
34:57And now mostly ocean.
35:01And in this age, some of the largest prey is here in the water.
35:22Sharks.
35:29In a flat-out chase between a shark and a giant dog-paddling dinosaur, the shark will always win.
35:42But there's more to spin.
35:44But there's more to Spinosaurus than meets the eye.
35:53Dinosaurs aren't just becoming bigger.
35:57Some are cunning, too.
36:01She's going to make the sharks come to her.
36:15Her snout is wired with sensors that can detect the slightest movement.
36:26Now, all she needs to do is keep completely still.
36:48The best hunters are the patient ones.
36:55And her patience is starting to pay off.
37:06The blood in the water is drawing the sharks closer.
37:10I don't know.
37:53She doesn't move.
38:00She knows how this game is played.
38:23Brains and brawn, a killer combination that is finally letting the dinosaurs get a foothold
38:35in the ocean.
38:45Their reach is now global and extends to the very ends of the Earth, to what will one day
39:00be Antarctica?
39:11While Spinosaurus is stalking the shallow seas and the tropics, the world's southernmost
39:19landmass is not the frozen wilderness we know today.
39:26It's a green, flourishing Eden.
39:36Where even in the dark, evolution is lighting the way.
39:51And thriving in the darkness are the dinosaurs.
40:09By this stage in the late Cretaceous, their empire is so vast that they now dominate every continent
40:19on Earth.
40:28And yet, while their reign is global, and their rule almost unchallenged, their story will take
40:45a dark turn.
40:56To be continued...
40:59To be continued...
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