3 months have passed, since our world has changed, for the worst.

Dinosaurs now roam the Earth.

Like how they used to, when Earth was raw, young, and wild.

Dinosaurs now avoid densely populated areas.

Especially the cities. And avoid detection from humans. In the Montana Badlands, our Tyrannosaurus mating pair from Nublar had risen from their slumber, their heads rose up, to look at the Sun shining above them.

Now's the time for all dinosaurs to be put and about.

Next to their massive bodies, their tails curled around their hatchlings, who were snoring in content satisfaction.

Their parents looked on down at them with pride.

Rexy and Crusher smiled happily as they looked on, right before they turn to look at each other, nuzzling affectionately as they cuddled, and as well as giving each other pecks on the cheek, and then the lips.

Rexy moaned affectionately as she kissed her mate, Crusher doing the same, their eyes closed as they continued. Only for their hatchlings to wake up. The parents quickly pull away and turn their attention to their parents.

Crusher Jr. began to chirp at his mother and father, wanting to get their attention, which he got back quickly.

His father then made gurgling and cooing sounds at him, he continues to chirp playfully.

Crusher Jr. : Dad. Mommy.

Crusher and Rexy: Yes, son?

Crusher Jr. : Do you two love each other?

Rexy and Crusher blushed a little before they replied back with a 'Yes, we do', smiling at their infant son, who chirps happily.

"However...." Rexy interrupted,

"You're a bit too young to know any of this, and that will have to wait when you guys are older." Rexy answered, completing her sentence.

Jr's father looked on, who was nuzzling Jr's mother.

"Your mother is correct. This will wait until you're big enough." Crusher added.

Jr nodded and chirped to his siblings as they went to play. But as they do, Crusher called out, "Remember, Nellie, Tina, Harry, and Jacklyn. No wandering off outside our territorial perimeters, understood?"

The hatchlings chirped assuringly.

"We understand, papa." Jacklyn answered.

"Good." Rexy interrupted.

"You better not run off out alone, as predators could be anywhere, anytime, and anyhow. Stay safe when you guys play, okay, little ones?" Rexy asked with a calm yet stern tone.

Crusher Jr then replied for his younger siblings. "We know, mom. We know."

Rexy sighs. "Remember our warning. And be careful. Now go play. But no wandering off."

The hatchlings nodded and ran off to play, their parents cuddled next to each other and nuzzling, giving each other pecks, kisses, and other gestures of affection, with the space and time to themselves.

"It feels nice to have this time to ourselves, don't you think, my queen?" Crusher affectionately asked.

Rexy giggled before cooing and nuzzling back, answering. "Yes, it sure is, babe. It sure is. And I hope our offspring take our warning seriously."

>

Nigel isn't having much luck getting the cave bear to stop chasing him.

He may be fast, but most large mammals are faster than even an Olympian could run.

Fortunately for Nigel, there is one advantage he has over the cave bear: he can climb trees. And the bear cannot.

Nigel quickly climbs up one of the trees, getting very high up as soon as the bear gets closer and closer to where they are.

His crew follows suite, and everyone is soon out of the cave bear's reach.

When it arrives, the bear tries to climb, but quickly gives up.

It then tries to shake the crew out of the tree, but they refuse to let go.

Having failed to force them out, the bear leaves.

Once it is far enough away, the crew leave the trees, descending down slowly and make sure everyone is accounted for.

Without attracting attention, of course.

"That was terrifying. And surprising. That was a cave bear. They should have gone extinct thousands of years ago, but it looks like this one's managed to hold on against the odds."

Nigel added.

The crew then trek back to the cave, where the bear is returning, presumably to hibernate.

This cave bear could and would potentially be, the very last of his kind.

For Nigel, that means only one thing: he needs to be saved.

Nigel gets to work setting up the portal. Additionally, he gets out some berries and meat, for bait.

"Cave bears are far more herbivorous than most modern bears, but they'll never turn down meat, so I'll use the meat and the berries to bait it through. The portal carries odors through it, so I'll rub the meat across the ground, then throw it through. The berries will be to bait it out of the cave."

Nigel activates the portal, then starts his plan.

He rubs the meat against the ground, to imitate a wounded, limping animal, and then throws it through the portal. Then, he makes a berry trail, going from the first blood spot up to the mouth of the cave.

Finally, after backing up to a safe distance, he throws a rock into the cave. Hopefully to lure the bear out of hiding.

Soon, the bear emerges once again, this time, with a curious feeling and feeling hungry. It begins eating the berries, then follows the blood trail to the portal. Though it seems reluctant at first, eventually, hunger proves to be the greater motivator, and the bear then heads through the portal.

In the present, Bob is just dealing with the new arrival as soon as it enters.

Bob is just outside of a holding pen. Within is the cave bear and Susan.

"Now, normally, I'd be angry about Nigel's unwanted rescue, but this feller just came into one of the pens and fell asleep. I think he's trying to hibernate. Whatever the reason, he's doing fine and it gave Susan the chance to examine him in peace."

For now, it seems the cave bear is not going to be a hassle.

Back in the past, Nigel has finally found mammoth sign.

Nigel has found a set of large, round tracks

"These are just like elephant tracks in Africa and Asia, so these must be mammoth tracks. And (approaches a large, odd brown thing) more: this is mammoth dung. It's just like elephant dung, but it's mostly leaves in here. Mammoth's are built for eating grass, so this isn't a good sign about the mammoth's eating habits. But, the most important thing is, it's warm, so the mammoth can't be far away."

Reinvigorated by his discovery, Nigel continues to search for a mammoth.

Eventually, he finds what he's looking for. But it comes with a shock.

Nigel comes onto an open field of snow. On it is a pair of mammoths. One of them, though, isn't moving. The other seems desperate to get some reaction from the other.

"There's two mammoths: probably females, but one isn't moving. The unresponsive one, she's in a pit with sticks, I need to get closer to see what happened."

Nigel gets in closer and confirms the worst.

"The mammoth that's in the pit, she's dead. She's in a trap."

It seems ice age hunters have beaten him to his target.

"Some hunters must have dug up that pit, then filled it with sharp sticks. When the mammoths came by, the one that fell was speared to death. The other one, she stayed behind to defend her herd mate. (Mammoth makes a low grumble) This is just heart breaking. The female, she's making these low grumbling noises from her stomach, elephants do it today. She's trying to get a reaction out of the fallen one. She won't get an answer, of course."

Eventually, the living mammoth collapses. She isn't dead, not yet, but she's getting there.

"This female, I think the dead one is her sister. She must be really sick right now: she can barely lift her trunk, she can't stand, her ears are too close to her body and she's wheezing. She has an injury on her shoulder blade, I think it came from a spear tip."

Now, Nigel is faced with a greater dilemma: the mammoth is too weak to leave, but if he goes back to the present for help, then the hunters may return to finish the job.

And he won't have any mammoths to bring back to the park.

Eventually, Nigel calls in his team, who were scouting nearby up ahead, immediately informs them of the situation.

From there, they'll have to formulate a plan. And fast...

In the present, Bob is having his own problem. And it isn't related to the cave bear. Or the T-Rex family.

"One of the little dinosaurs Nigel rescued, it's out of its exhibit. The little guy is what's called an Alverezsaur: small, chicken like dinosaurs that only had one functional finger. Now, he's are bug eater, but I can't find him near any of the bee, ant, wasp, or termite nests, or anywhere else for that matter.

Unknown to Bob, the little dinosaur isn't interested in the insects. His sense of smell has led him to a different food source.

A tiny, maroon colored dinosaur stands in front of the sign of an exhibit with very large fencing. The words on the sign?

T-Rex Hill....

Nigel and his crew have begun setting up torches around the mammoth, as well as tents.

"We discussed what options we had, and in the end, we decided there is only one thing we can do: we're going to stay with the mammoth until tomorrow morning. By then, she might have enough strength left to walk and we can get her through the portal."

However, Nigel's plan is interrupted by a loud bellow, followed by a loud crash.

He turns around... and finds himself facing a herd of wooly rhino.

"I don't believe it. These are Coelodonta, the wooly rhino. There are many species of these animals, but the thing is, these one's should be extinct right now."

In front of Nigel, four rhino lie on the ground by the mammoth, panting in exhaustion.

A fifth is busy digging through the snow, but it looks very tired.

"These guys suffered just as the mammoth did, but for different reasons. Wooly rhinos don't have long necks or legs, so they can't reach tree leaves, but more importantly, they can't dig very well. This wasn't a problem during the heart of the ice age, when the snowfall was never too high, but now, they reach the grass they need to eat."

For Nigel, unfortunately, this is both an opportunity for him, and a big problem.....

"I would love to have a herd of wooly rhino at the park, but we'll need to stretch out our perimeter torches. These guys would make an easy meal for predators right now; they're too weak to fight back."

Now, Nigel will really have to keep his guard up as soon as the Sun sets. And it is getting dark.

Nigel and his men are forced to take turns watching the mammoth and wooly rhinos, and it isn't an easy task.

They can only see so far, while most of their opponents can see them perfectly well.

A sudden set of howls forces them into action.

A pack of wolves are trying to attack the mammoth.

They're quickly driven back with fire, but it is still a close call.

Around them, the other predators watch. The wolves have been joined by hyenas and bears. But all are soon trumped by a bigger foe. The ancestors to modern day humans..

Unfortunately for them......

The hunters have returned. And they're not happy that they're feast has been taken.

Nigel and his men work hard to scare them off. They shout, clap and make a lot of noise.

The hunters do not seem to be intimidated by the noise, but don't draw any closer, keeping their distance from Nigel and his crew.

During this time, Nigel makes the effort to give the mammoth and the wooly rhino water to drink.

They'll need all of the strength they can get for tomorrow.

Eventually, the sun rises. When it does, the hunters retreat.

They've decided the mammoth isn't worth the effort. Once Nigel and his crew leave, they will return.

As soon as everyone is up, Nigel gets to work trying to get the mammoth to stand on its legs.

To his surprise, one of the wooly rhinos joins him.

Though it does not provide any help, it doesn't hinder him either.

Eventually, Nigel is able to get the mammoth on her legs.

She is joined by the remaining wooly rhinos.

Now, Nigel has to coax the mammoth to follow him, without being attacked.

"The female, she's seen here sister killed by men, so she might not like me. The rhinos have probably lost some of their number to hunters as well."

Nigel replied, but then had to think fast and lure the mammoth and the others in, to reduce the risk of being attacked.

Despite this, the female seems willing to trust Nigel and starts to follow him.

As soon a she approaches him, Nigel activates the portal and enters it.

He's soon accompanied by one very sick mammoth and five very hungry rhinos.

And the crew followed afterwards once the portal deactivates.

For Nigel, though, the mammoth is the immediate concern.

"We've got a mammoth, she needs immediate medical attention!" Nigel yelled out.