Okay, So this is the second chapter I've been working on so please vote.
A/N: It takes place after dragons defenders of berk and also between season 2 and 3 of TMNT.
__________________________________"What are dragon the one called the Shredder said what the creatures are?" asked Kraang 1.

"Dragons are a mythical beast that has been around the earth in manny different cultures for centuries, even in Norseman history, and this book of dragons explain what these species: The red one is a Monstrous Nightmare the can light them selfs on fire, the blue two legged horned one is a Deadly Nadder, it has the hottest fire and shoots spikes at it enemies, the two headed green one is a Hideous Zippleback, the left head breath gas, the right head lights it, the rocky with tiny wings is a Gronckle it eats rocks and uses it as fire, and the blue one is a Thunderdrum it can't breath fire but has a sonic scream that can kill a man at close range the last one is a Night Fury. That one is most powerful and it's black as the night sky." explains Shredder.

"The creature called Dragon would be the perfect DNA to make your foot clan soldiers invincible." said Kraang 1.

Shredder: "No! I won't have them here in my foot clan lair, you can bring the boy with the prosthetic leg here as well, dispose of the rest."

"Yes sir."
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In the Sewer's April and Casey were with the Turtles And just receive that the Kraang was on the move.

"Guys we got Kraang on the move!" said Leo.

"Oh yeah I'm pump't and ready to go." said Raph.

"Let's move!" exclaims Leo.
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So the Turtles jumped in the Turtle mobile and started to chase the Kraang.

"Check if the creatures and humans haven't regain consciousness." said Kraang In disguise 1.

Kraang in disguise 2 looks in the back and sees only Hiccup waking up. Then out of nowhere, the Turtle mobile rammed into the van, killing the Kraang droids and causing everyone including the dragons to wake up.

"What in Thor's name was that?" said Tuffnut.

"I don't know but why we're in this metal wagon we'll find out soon enough." said Stoick.

Then he kicks the doors open and steps out and sees the wagon has no horses as the other teens and dragons step out they see the city and were in.

"Ah... Where are we?" said Snotlout.

"I don't know but as soon I gets some answers then will know and hope to find a way back to Berk." said Stoick.

As the Turtles step out of the Turtle mobile they were confused looking at the riders.

"That's weird." said Donnie.

"What's weird?" asks Mikey.

"They look like Vikings!" said Leo " But that's impossible Vikings haven't existed in over a Hundreds of years."

Hiccup turns around and sees the Turtles.

"Uh... Dad." said Hiccup

"Not now son, I'm trying to get some answers." said Stoick.

"Dad I'm really sure you should see these creatures..." said Hiccup.

Stoick turns around and sees the Turtles. Leo and Raph walk up to them, Stoick the teens got on their dragons and the Turtles were surprise.

"That's new." said Leo

"Let's kick some bad guy butts!" exclaims Mikey.

"Stop! Let's try and talk to them they seem capable of speech." said Hiccup.

Stoick turns his son so let's him go.

"Toothless down next to the four turtle men gently." directs Hiccup.

As Hiccup walks to Leo. "Hi, my name is Hiccup..." said Hiccup but was interrupted by Mikey giggling.

"Hiccup? What kind of a name is that?" snickers Mikey

"Anyway... Can mind ask where are me and my friends and father are?" said Hiccup ignoring Mikey's question.

"You're in New York kid where do you think?" said Raph.

"New York? I've never heard of a place like this and what's With the horseless wagons?" said Hiccup.

The turtles look at each other and back at him.

"You're kidding right?" said Donnie.

Hiccup nod no.

"We'll explain back at our lair lucky theres a man hole cover as for your pets we know another way in." said Leo.

"Thanks." said Hiccup.
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So the group has entered the sewers manny began starting to hate it.

"Uh! This place smell worse then a yak after it's done it business if you know what I mean." said Tuffnut holding his nose.

"We've been down here since we were reborn." explains Mikey.

"Reborn?" said Hiccup.

"While if you wanna know the story our father master Splinter will explain." said Donnie.

"Fare warning he's a rat." said Leo.

"Oh. You mean he was a thief or something?" asks Ruffnut.

"No I mean a actual rat. Tail, whiskers, and everything." answers Leo

"So I'm guessing he's a small Rat?" guesses Gobber.
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When they reached the Turtle's lair everyone was a bit in ah...

"Nice please you got here. I guess when people throw stuff away I guess you can find something pretty nice." compliments Snotlout.

Hiccup looked around then Master Splinter walks in and to everyone's surprise to see him.

Well... None was as surprised as the male twin.

"AAAAAAAHHHHHHHHH!!!!!! A YAKRAT!!!!!" screams Tuffnut.

Everyone stares at him dumbfounded.

"I'm sorry, a what?" asks Raph.

"Haven't you heard of the marauding Yakrat?" said Tuffnut going into scary story mode."You know, Rat the size of a Yak?"

The rest of the riders groan in disbelief.

"Uh... No, You see, Master Splinter isn't a Yak sized rat," explains Donnie "He's a mutant rat the same way we're mutant turtles."

The riders nod in understanding while splinter gives an unamused look.

"Sons, What is the meaning of this?" said Splinter.

"I can explain master" explains Leo "The Kraang had these people and... Their pet um."

"Dragons." finishes Hiccup.

The the Turtles and Splinter looked at them with confusion till Mikey started laughing.

"No way those things are dragons!?" said Mikey.

"Yes they are. We'll explain where are and everything also what day is it?" asked Astrid.

"September, 2nd, Thursday." answers Donnie.

"Thursday? You mean Thorsday." said Hiccup.

"By what do you mean Thorsday?" said Splinter.

"The day named after the God of thunder and lighting." said Hiccup.

"I've heard Norseman naming one of their days after one of their Gods, but judging from the close their wearing and the prosthetic legs and their Viking helmets I'm guessing you're Vikings right?" said Donnie.

"Yeah! Duuh! What do think we are?"   said Tuffnut as if it was obvious.

"That's impossible Viking haven't been around in hundreds of years." said Leo.

"What are any of you taking about Viking are still around right?" asks Hiccup.

"No, Viking are part of human history. There maybe decadence of Viking but that's it." said Splinter.

"Let us explain the whole thing." said Leo

So Leo explains to the dragon riders.
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So that's it for now.