Disclaimer: I do not own Harry Potter or Teenage Mutant Ninja Turtles.

Being a ninja has taught Harry many important life lessons…packing early was not of them.

"Has anyone seen my backpack!" he cried, running around the lair in search of the illusive item in question.

"Harry, you do realize you wouldn't be having this problem if you just packed a head of time." Donnie pointed out, laughter in his voice.

"Yeah well I was busy."

"Doing what, we didn't find any mutagen last night."

"Hey bro, I found your bag" said Mikey, coming into the living room carrying Harry's backpack. "You dropped it when he were shredding last night."

"Oh yeah" Harry smiled. The night before he and Mikey had spent hours skateboarding, since he didn't board while at Hogwarts Harry had wanted to spend as much time as possible skating.

"So you were busy skateboarding" Donnie deadpanned.

"Hey I love my broom but sometimes I need my board." Harry defended.

"My son, while I'm sure you enjoyed spending time with your skateboard. Need I remind you that you still have to pack your bag for Hogwarts" Splinter reminded him, chuckling as his youngest child resumed running around the lair collecting everything he'd need.

"He really does have a problem with procrastinating, doesn't he?" said Hedwig, joining Splinter in watching the young wizard searching frantically for his school books.

"Yes I'm afraid he's yet to show initiative in anything other than his training." Not for lack of trying but even from a young age, unless he was interested it was hard to get Harry would normally choose to put things off, something Splinter suspected he may have learned from Michelangelo growing up.

"Alright I think I got everything" said Harry, looking to his brothers for his check list.

"Are we going to do this every year you're forced to go to this school?" Raph demanded, thinking his human brother has lost his mind.

"Just read the list Raph!"

"Fine" said the red turtle with a roll of his eyes. "Backpack and books written by some pompous windbag"

"Check."

"Toothpaste and toothbrush" Leo called.

"Check."

"Uniform and clean clothes" said Donnie

"Check"

"Pizza Gyoza" said Mikey, staring longingly at the small package Mr. Murakami cooked for Harry.

"But of course" said Harry, being careful to keep his food away from his bottomless pit of a brother.

"Your broom" said Hedwig, handing the item in question the boy.

"Alright that should be everything." said Harry, preparing to teleport to Platform 9 ¾ only to be stopped by Master Splinter.

"Harry, remember to be mindful while at Hogwarts. Dumbledore has already proven he is willing to manipulate you into confrontations. Keep your mind sharp and consider everything before you decide to get wrapped up in another mystery."

"Hai Sensei." Harry had no plans of being used again by Dumbledore. If anything happens this year he and his friends were going to stay clear of it and leave the old man to clean up his own mess. And with that Harry teleported himself to the platform.

"Did Harry say when he was going to arrive?" asked Hermione as she, Ron, Neville, Ginny, and their families gathered on the platform, awaiting the departure of the Hogwarts Express.

"Knowing him, he'll pop up eventually" said Neville. His words proved true as their favorite ninja wizard appeared in front of them, surprising the adult wizards who hadn't expected a child to be able to perform such advanced magic. However before any of them could say anything the train whistle blew signaling it was time for them to board. After a few hugs and quick goodbyes Harry and his friends boarded the train and began the journey to Hogwarts.

A small invisible figure watched from the shadows as Harry and his friends boarded the train. If it were currently visible the being would be described as only about two feet tall, with pointed bat like ears, and was currently dressed in a dirty pillow case.

"No Harry Potter must not return to Hogwarts" it whispered in small squeaky voice. The creature had tried track down Harry over the summer but couldn't get a lock on his magical signature, nor could he find or intercept any owls being sent by the boy's friends, thanks to the groups T-phones. Finally it had hoped to stop Harry from crossing the barrier to enter the platform but the boy's ability to teleport made that pointless. With no way of stopping Harry from reaching the school the creature popped out of existence planning to come up with a sure fire plan to force Harry to leave the school.

Moving through the train Harry, Ron, Hermione, and Neville were searching for an empty cabin, when Ginny called to them.

"Hey you guys are free to join us" she offered. While Ron at first wasn't entirely sure about spending the entire ride with his sister, he remembered the strong bond between Harry and his brothers. Sure the Weasley siblings weren't a clan of ninjas that fought crime and saved the world but the basic principle between the Hamato and Weasley clans was the same; being there for family above all else. After all Ron knew that his older brothers would never stand for anyone seriously bullying or threatening him or Ginny, and they of course felt the same. So with a grateful smile on his face Ron spoke for the group an accepted the invitation.

Upon entering the cabin they found another first year with dirty blonde hair and silvery grey eyes. She definitely a strange one wearing a bottle cork necklace, keeping her wand tucked behind her ear for safe keeping, and strangely reading a magazine upside down. Due to how often he's been forced to hang upside down, Harry was able to identify the magazine as The Quibbler.

"Guys this is my friend Luna Lovegood" Ginny introduced, prompting the girl to lower her magazine. After giving their names Harry, Ron, Hermione, and Neville took their seats but none of them expected what happened next as Luna turned her attention to their resident ninja.

"Hello Harry Potter, how goes the fight against the Nargles?" she asked much to the others confusion.

"Nargles?" Harry asked looking for some clarification.

"Yes the Nargles. They're the ones responsible for the disappearance of magical communities all over the world. Though their main operation seems to be currently run in New York. And are described as squishy brain squids in robot bodies." Ginny watched in confusion as Harry and the others stared at Luna in stunned disbelief as if struggling to understand what they just heard.

"Um, Luna I haven't heard anything about disappearing magical communities" she pointed out, wondering if it was another of her friend's crazy stories.

"Of course not, Ginny. The wizarding world is very isolationist there's no way for the other countries to find out what the Nargles have been doing." Luna explained, calmly waiting for the others to finish processing her words.

"The Kraang!" they shouted, causing Luna to shush them before checking outside for any sign of eavesdroppers. Not finding any the blonde let out a sigh of relief before readdressing the cabin.

"You have to be careful, Europe is the last continent they haven't infiltrated."

"Alright but Luna, how do you know about The Kra…, I mean Nargles?" asked Hermione, being mindful to use the other girl's code name for the aliens.

"Jack Kurtzman" said Luna as if that name explained everything. But Neville was the only one to react to the name.

"You mean you know him." At his friends questioning looks, the Longbottom heir explained. "Jack Kurtzman is a muggle reporter, whose name is infamous amongst upper class purebloods." Honestly it was easy for his friends to forget that Neville was in fact part of the upper class of British magical society.

"Why?" asked Harry.

"That's because he's rumored to be the only muggle to not only know about the magical world, but also escape any and all attempts to change his memories. I once overheard my gran saying the minister was covering up Kurtzman's existence since it's embarrassing for him."

"Ok back to the main problem. How does he know about me and the Nargles?"

"He's been investigating them and that led him to you and the Ninja Turtles." Luna explained.

"Ok what's going on?" Ginny demanded reminding them that she was still there. With no other choice Harry explained the truth about his family and their battles against The Kraang and Foot clan. And how Dumbledore was blackmailing Harry to return to Hogwarts. Surprisingly she took it pretty well once Harry showed her a family picture on his T-phone and Luna simply explained that Dumbledore despite being a school headmaster was basically a politician even if he didn't acknowledge it. This of course meant the old man would do anything to carry out his agenda. But what really left Ginny stunned was the fact Ron helped save the world and didn't brag about it.

"Hey a ninja doesn't need glory" Ron defended, having been inspired by Harry and the Turtles roles as secret protectors.

"But I thought Harry was the only ninja here" Luna remarked, effectively taking the mickey out of the Weasley boy.

"Actually I've been meaning to ask you about that Harry" said Neville.

"What's up Nev'?"

"I was wondering if you could teach me ninjutsu." Now that definitely wasn't something Harry was expecting. Sure Neville, had seen what Harry's ninja training could do against enemies like The Kraang and Voldemort but he never imagined Neville would want to learn. Of course with Neville making the request the others soon asked the same.

"Ok I've got to ask, why?"

"Last year all we could do was watch and wait for you to come back. Maybe if we're trained next time we can fight with you" said Hermione with Ron and Neville nodding their heads in agreement. None of them liked that Harry had to fight Voldemort alone, at least when he's fighting aliens Harry had his brothers to help him.

"But wouldn't it be better to learn from Master Splinter?" Harry questioned, he remembered Donnie's failed attempt to play sensei and he wasn't so sure if he'd do much better with his friends.

"Yeah" Ron acknowledged. "But we can't get to New York as easily as you. Plus I don't think you can move all of us there and back in the same day without anyone noticing." Harry had to admit he made a good point.

"Alright but why do you want to learn?" he asked turning to Ginny and Luna.

"Honestly I just want to punch Malfoy" Ginny confessed sheepishly, earning a laugh from the rest of the group minus Luna, who sat calmly.

"And you Luna?"

"Oh, I just think it'd be fun."

"Um ok" Harry wasn't sure what to take from that considering Luna was the only one in the cabin that he hadn't met before but from Ginny's expression he gathered this was normal for the blonde. "You know this won't be easy, right? It's a lot of hard work and you can't expect to be a ninja overnight."

"We know that Harry." Neville assured. "We just want to be more help the next time something happens."

"I'll help too but I'm still hoping to punch Malfoy" Ginny interjected.

"Alright I'll try being your sensei" said Harry, to his friends' gratitude. "But we'll have to find somewhere we can train in secret."

"How about the Come and Go Room" Luna suggests, seeing the confused look on her new friends' faces she explained further. "The Come and Go Room, also known as the Room of Requirement is a magical space within Hogwarts that only appears when someone is in great need of it. My mother wrote about it in her diary."

"Sounds good. We'll give it a try."

Arriving at the castle Harry and his friends took their places at the Gryffindor table and watched as the new first year students were led in and sorted ending with Luna being sent over to the Ravenclaw house and Ginny joining them in Gryffindor though the group promised to stay together regardless of Luna being in a different house.

It was just as the students were getting ready to move to their dorm rooms when McGonagall approached Harry's group sans Luna and Ginny for a word in private and led them to her office.

"I'm sure none of you have forgotten about Dumbledore's schemes" said Minerva, her tone making her disapproval clear. "Unfortunately there is little I can do against the headmaster without risk of losing my job."

"We understand Professor" said Harry, they all understood should McGonagall be fired she would simply be replaced with someone Dumbledore could easily control.

"None the less I have decided to make your movements to and from the castle easier by assigning your group a separate housing area." This was a relief to the young ninja who remembered how his sometimes unscheduled departures from the castle would bother his dorm mates and raise questions.

"Actually Professor I think we know exactly where we want to room" said Neville. Taking a moment to grab Luna and Ginny the group went up to the seventh floor of the castle where Luna had Harry walk back and forth three times thinking of what he needed.

We need a place to sleep and train where only our known allies can find us. On the third pass a door magically appeared revealing the room. Upon entry Harry was surprised to find a replica of the lair.

"Brilliant, it's just like the lair" said Hermione.

"Well not exactly" said Harry pointing out the lack of electronic equipment. "To bad I was hoping to watch some Super Robo Mecha Force Five."

"Really you guys like that show."

"Hey, you actually like Space Heroes." Honestly Hermione and Leo were the only ones Harry knew who actually liked that show.

"I gather you'd like to move into this room for the known future" said McGonagall, believing the nature of the room would serve Harry and his friends well.

"Except me and Luna" said Ginny. "We want to try socializing with our own year group and housemates."

"Yes it also means it'll be easier to keep Prof. Dumbledore from realizing Ginny and I have joined Harry's group" said Luna proving just why she was wise enough to be a Ravenclaw. With that McGonagall, Ginny, and Luna left the room leaving the four second years to get comfortable.

"Alright everyone find a room. We start training tomorrow morning" said Harry.

"How early?" asked Ron, he was hoping he could still get a decent amount of sleep.

"Early. I told you being becoming a ninja wouldn't be easy." And with that Harry went to the replica of his room in New York. The others were pleasantly surprised to find the remaining rooms were changed to suit their personal tastes rather than that of the real lair's occupants.

As he laid in bed Harry thought over the events of the day. Alright so I made a new friend who knows some reporter who's been tracking The Kraang and knows about my family. Yet said reporter hasn't released anything on them. Guess that makes sense considering who'd actually believe in alien invaders from another dimension. And to top it all off I'm supposed to act as my friends' sensei well hopefully this year will be a quiet one and I can avoid anything to do with Dumbledore.

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