I don't own Harry Potter or Code Lyoko.

Rock Bottom?

"A three day weekend," said Ulrich excitedly. "It's fantastic, isn't it?"

"With a little luck, I may just have the house to myself," said Yumi with a smile.

"But knowing your parents, it's not going to be easy," said Jeremy as they started to leave the building.

"I'm betting on Yumi," said Odd.

"So am I," said Harry as he flickered in and out of sight.

"Will you stop doing that?" asked Jeremy. "Someone might see you. Or not."

Harry frowned. "I wasn't even trying to turn invisible. Let's hope Xana doesn't attack."

The next day

"I didn't tell you but I have a lot of homework this weekend," said Yumi as she walked into the kitchen. "So can I stay home and look after things? And if you don't mind, I'd like to have a little gathering of my friends."

"A gathering to do homework together? Or to wreck the living room?" asked Yumi's dad, slightly sceptical.

"Well I thought I'd invite my friends over for a quiet evening at home…" said Yumi.

"Hm…you mean those three clowns? And that quiet smart boy? What was his name? Henry?"

"But Daddy, you hardly even know them!" exclaimed Yumi. "And it's Harry, not Henry."

"They seem nice enough," said Yumi's mum.

"I'd wish you'd trust me a little more."

"Alight, they can come," said Yumi's dad as he stood up.

"Thank you so much!" Yumi kissed him on the cheek. "Thanks mum! You are the greatest! Have a nice weekend!" Yumi ran off giggling, leaving the two parents staring after her.

Kadic

Yumi walked through the gates and up to the boys. "Hey, I have great news. Tonight, we have the house all to ourselves."

"You did it," said Ulrich excitedly.

"We have to get organised," said Yumi as she glanced at Jeremy who looked worried. "What's the problem Jeremy?"

"I'm trying to localise Lyoko. It shouldn't take this long," explained Jeremy as Harry looked over his shoulder.

"Don't worry. If there's a problem, Aelita can contact you. And we have our resident Xana detector," Yumi said as she glanced at Harry.

"Well, we can always hope," said Jeremy sadly as the bell for class went. "Time for physics!"

Jeremy ran off excitedly as Harry followed him, laptop in bag.

Later

The bell rang.

"Class dismissed," said Ms Hertz as the students stood up and put their belongings in their bags. "And don't forget Monday's quiz on seismic phenomenon, better known as earthquakes."

"Is it me or does Xana always use what we have been discussing in science class?" asked Harry of Jeremy who shrugged as they walked out the door. "And do all the teachers have the same equation or what?"

Outside

"Theo and Benjamin said they would come, but what are we going to do about Sissi?" asked Ulrich. "Wouldn't break my heart if she didn't come! She and that horrible music she'd bring with her!"

"Hey, leave the music to me!" exclaimed Odd. "Wait 'til you see the surprise I've got in store for you! We're going to have a real DJ, guys! You'll see, no dumb music for us, we're going to rock!"

"And now I'm getting a bad feeling," said Harry as he looked at Odd. "Is it really the best idea to leave the DJ up to Odd?"

"Great, see you later," said Yumi as the boys slowed down. "We'll go shopping after class."

"And I'll bring my laptop to keep an eye on Lyoko," said Harry. "So we can't use it for the party tonight."

"In the meantime, I'll try to contact Aelita," said Jeremy as he turned around. "Coming Harry?"

"Sure." The two boys ran down the path to the dorms.

Later

"And now it's time for Ulrich to get ready and enter the starting block!" said Odd as he played commentator for Yumi over the phone. They were seeing you could slide the furthest down the corridor. "Tensions are high, ladies and gentlemen, as he zeroes in on his objective! The timekeeper's about to signal the departure!"

"Bang!" said Jeremy as he was the starting gun. Ulrich started to run.

"And he's off and running! What grace, what agility, and what great speed he's got! And here we go…he's ready for the sliding phase!" said Odd as Ulrich started to slide. "What perfect knee co-ordination! Ready…stop!"

Ulrich slid to a stop.

"Wow! He beat me!" said Odd enviously.

"Really? Ulrich went farther than you?" asked Yumi over the phone.

"Well then, how did I make out?" asked Ulrich.

"A new dorm record!" exclaimed Jeremy.

"What's all this racket about?!" asked Jim as he arrived.

"Gotta hang up. Secret code: big fat clown," said Odd as he glanced at Jim.

"Gotcha! Ok, talk to you later!" Yumi cut the call.

"Come on Jim, we're just a little bored," said Ulrich. "There's nothing to do here."

"You don't understand. Every long weekend you stay in school! If for once you guys took a vacation, I'd have some peace and quiet!" exclaimed Jim. Harry poked his head out the door.

"That just goes to show you just how much we love this place!" said Odd.

"Oh yeah? Well I bet that's 'cause at home your parents are sick of ya! I sympathise with them!" yelled Jim. "And now, let's go. I want you to go back to your rooms on the double."

The boys groaned.

"Right away Jim," said Ulrich as he picked up the trainer. Jim stalked off and Harry's head disappeared. "Your turn Odd."

"We'd better hurry, huh?"

"Bang!"

Odd ran down the corridor and started to slide before stumbling and tripping over with a bang.

"You ok Odd?" asked Jeremy as the two boys walked over and Harry poked his head out again.

"Sis I beat the record?" Odd dropped a picture of a girl.

"Is this your surprise disc jockey, huh?" asked Ulrich as he picked it up.

"Yeah, you-you mean you don't recognise her?" asked Odd as he took the photo. "She goes to school here! Her name's Samantha. Uh, see you later, I've got some work to do."

"You're not going to introduce us to her?" asked Ulrich mockingly as Odd walked off. Harry's head disappeared.

Outside

Odd's phone rang as he sat on the steps to the lunch hall. "That must be her. Hello?"

Harry's and Jeremy's dorm

"I don't believe it," muttered Jeremy as he tried to connect to Lyoko. "That's the fifth time I've launched the localisation program. The network must really be blocked. I can't contact Lyoko. Harry, can you whip up a better localisation program?"

"Sure." Harry's fingers became a blur as he typed furiously. "There we are."

The program loaded itself onto Jeremy's computer and the boy glared at him. Harry chuckled nervously.

Odd

Odd walked up to a bit of shadowy fence where there was a girl waiting for him. "Hello."

"Hi."

"How are you?" asked Odd nervously before walking up, kissing her and blushing. "Did you have any trouble getting in?"

"No, no trouble. The gates were really easy to climb."

"When are you going to show me what you're going to do?" asked Odd.

"When I'm finished. I still need to do a few things," answered Samantha as she turned away. "I haven't found anything I like yet."

"You should try the old vinyl records," suggested Odd. "There are some really great things on vinyl."

"Can't we stop talking about music? We've got better things to do, don't you think? Ready for a big thrill session?" asked Samantha.

"U-uh…y-yeah, I guess…" said Odd nervously.

"Well, then take me to the computer room," ordered Samantha. They walked into the building.

Harry's and Jeremy's dorm

Jeremy groaned as the computer failed to connect. "That's it! One more operation! Aelita? Aelita?"

"Hello Jeremy," said Aelita as she popped up on screen.

"Finally!" said Harry as he walked over. "Jeremy here was getting really frustrated."

"How are you?" asked Aelita.

"So-so."

"Why?"

"I had a hard time contacting Lyoko," explained Jeremy. "Harry improved the program I use but it still took a while."

"That's nothing new. Lyoko is constantly changing its access points," said Aelita as Ulrich opened the door.

"Feel like playing some chess?" he asked.

"Be right there," said Jeremy.

"Hey, Aelita, fell like playing a game of chess with me?" asked Harry.

"Sure Harry."

Harry loaded up the game and made the first move.

Computer Lab

"What kind of power does this have?" asked Samantha as she looked at the laptop.

"I don't know. Two gigs?"

Samantha closed the laptop and picked it up.

"Hey, cut that out! Put that down, you hear?! What are you doing?" asked Odd. He was angry and confused.

"If I'm going to make music, I need a powerful computer," explained Samantha. "But I'm broke, so I have no choice but to rip this one off. Your school's insured, so everybody's happy, right?"

"Wrong! Insurance or not, stealing's a crime! And besides, nobody…does that around here!" exclaimed Odd as he heard a noise.

"Hey, you're…" Odd camped his hand around her mouth with a finger on his lips. Jim opened the door and found Odd with the laptop in his hands.

"I'd have never have believed it if I hadn't seen it with my own eye," said Jim. Samantha had hidden behind a cabinet.

"I wasn't going to steal it, I swear," said Odd desperately.

"Hu, what were you going to do with it?" asked Jim suspiciously.

Odd didn't have an excuse.

"Follow me."

Jim and Odd walked out of the room. Jim locked the door and they walked down the corridor.

Outside

"Check mate!" said Jeremy as he made the last move. Harry was thinking hard about the move he was about to make.

"Can I maybe try beating you at, like, karate?" asked Ulrich. They looked at Odd and Jim.

"Keep moving." Odd looked downcast.

"Looks like trouble," said Ulrich. "Can you follow him Harry? We'll follow too but it would be easier if we had some unseen help."

"Looks like we're going to have to pause the game," Said Harry to Aelita as he saved the game. "I have to see what Odd has done. And Xana's planning something. I don't think he's activated a tower yet but he's watching us. I know it."

Harry shut his laptop and faded out of view. Jeremy and Ulrich looked at each other with worried expressions.

Office

"Well Odd, this time, you are in one heck of a jam. That's for sure, kid. Caught in the act stealing a computer that is school property isn't like not doing your homework!" admonished Jim as the door moved slightly which Odd noticed. Jeremy and Ulrich waited outside for a moment for Harry's signal before coming in.

"This is crazy Jim," said Jeremy. "If Odd needs a computer, I lend him mine. Go on Odd."

"That's true but this time, I needed a really powerful computer. That one was perfect."

"And why didn't you ask?" asked Jim as he looked at the three. "If you want permission, you ask. That's a lot simpler. And where's the fourth?"

"I was afraid you'd say no. As for Harry, he's around somewhere," said Odd as he ducked his head. Jim slammed his fist on the desk.

"What do you think I am, an idiot? I want the truth right now!" Jim demanded as Odd stayed silent. "You stole it, didn't you? This time it's the school disciplinary council, and you might just get expelled!"

"No way! You can't do that Jim!" Odd protested as his phone rang.

"The use of cell phones is strictly forbidden on school grounds" said Jim as Odd turned away and picks up the call. "Hand it over, confiscated!"

Harry became visible from behind Jim as he clutched his head. Jeremy and Ulrich stared at him as he disappeared again. Jim took the mobile.

Lyoko

A tower turned red in the mountain sector. Aelita stood up upon the rock she was standing on.

"Jeremy, I can see an activated tower. Xana's launched an attack. Jeremy? Jeremy? Harry?! Answer me."

Kadic

Smoke oozed from an light and seeped into the ground. Things started to sink.

Computer lab

"I've got to get out of here," muttered Samantha as she tried to open the door. She heard a noise and looked around. She sat down as the building sank. She glanced up at the window and ran over to the door, trying to open it desperately.

"Oh no! I'm never going to get out of here!"

Sports field

"Come on. Tell us what happened," said Jeremy as the three visible boys and the single invisible one walked out. "Come on Odd."

"I've got nothing else to say."

"Has it got anything to do with the girl locked in the computer lab?" asked Harry as he reappeared.

"As I said, I have nothing else to say." Odd walked off as the ground steamed from where the building had lowered itself. "Do you see what I see?"

They looked at the steam rising off the ground.

"Xana."

"It's getting really deep," said Jeremy as the buildings sank slowly. "Everything is going to sink underground."

Ulrich pulled out his phone and called Yumi who quickly answered.

"Xana's attacking."

"Ok. I'll see you at the factory," said Yumi.

Jeremy, Harry and Ulrich started to run as Odd stayed put.

"I can't go with you know," he said apologetically as they looked at him. "Samantha is locked in the computer lab."

"Ok," said Jeremy. "Let's go back to the beginning Odd. You lost us."

"She's the one who stole the computer," explained Odd. "I tried to stop her but she has a lot of problems at her school so I didn't tell Jim."

Harry glanced at the other two. "We'll get her out of this. We'll probably do a return to the past to return the town to its previous state so you'll have another chance."

"No matter what happen, we have to get her out of there," agreed Ulrich.

"I'll run over to the lab and meet Yumi," said Jeremy.

"I'll go too," said Harry as he looked at the sinking buildings. "But we need to hurry up. I think the building are sinking faster."

"Alright. Step one is to get into the gym. Hopefully it's just us," said Ulrich.

Lab

Jeremy sat at the monitor while Harry stood by him.

"Connection!"

"Connecting to Lyoko," said the computer in a feminine voice.

"Jeremy! You're there at last," Said Aelita as she appeared on screen. "Xana's activated a tower!"

"We kinda noticed," said Harry. "I mean, who doesn't notice sinking buildings?!"

Gym

"Let's hope it's in here," said Ulrich as he opened the cupboard with the rope. "Bingo."

"So what now?" asked Odd as they walked back outside.

"There," said Ulrich with the rope and javelin over his shoulder as he pointed at the fence. They ran over as the buildings sank ever deeper. They climbed up to the top floor and ran to the window.

"It's at least a twenty meter drop," said Odd as he looked down.

"Well, make sure the rope is attacked securely," said Ulrich as he held it up and threw it. It hit the side of the other building and plummeted to the ground where it sunk like everything else. The two boys looked at it.

"Take your time and concentrate," said Odd.

Ulrich threw it again and it smashed a window. Ulrich pulled it tight and they slid across it.

"Hurry! The stairs!"

Yumi

Yumi ran down the street and skidded to a halt when she saw the buildings sink fast.

"What's happening?"

She changed direction.

Lab

Harry and Yumi took the elevator to the scanners.

"Yumi, Harry, you're off to the Mountain region!" said Jeremy as he started the virtualisation program. "I've got problems connecting to Lyoko, the landing could be rough! So be careful!"

"That doesn't affect me," Said Harry as he stepped in one. "As long as Xana doesn't try to bug up any of the programs again."

"Transfer Harry. Transfer Yumi. Scanner Harry. Scanner Yumi. Virtualisation!"

Lyoko

Harry and Yumi appeared in mid-air with nothing below them to stand on. They managed to grab hold of a platform. Harry managed to climb up and pulled Yumi up.

"Ok. I was wrong when I said the problem with connecting to Lyoko didn't affect me," muttered Harry as Aelita Jumped over to them.

"We need to get going. Xana's monsters haven't appeared yet," said Aelita.

"With me here, they'll turn up," said Harry as they jumped over the gaps. "Xana won't waste a chance at taking me out permanently."

"The tower is not far from here, in that direction!" said Aelita as she pointed in the right direction.

"Well this promises to be a charming stroll!" said Yumi sarcastically as she looked at all the moving platforms.

"It's not that hard," said Aelita as they hopped onto another platform. "If you jump at the right time."

"This is actually pretty easy," said Harry.

"Not all of us have your reflexes Harry!"

Computer lab

"Help! Heeellllp! Get me out of here!"

"Let's hope we don't get there too late," said Odd as they ran down the stairs and to the door. Ulrich kicked it in.

"Are you alright?" asked Odd as he hugged her. "It's over now Sam."

"Oh, Odd, I'm sorry!"

"I hate to bother you guys, but we gotta get out of here, and fast too!" said Ulrich.

Gym

Jim was exercising as the earth level created a shadow.

"What's happening?"

The window shattered.

He ran into a closet and called the authorities as the room started to fill with mud.

"Can you hear me? Listen, I'm calling from the junior high school! I work here at the school and I need your help! Listen, it's a real emergency! I'm stuck in a closet with tonnes of mud, so get here fast! No, lady, this is not a practical joke! No, I can't wait any longer! Help me! Help me! I don't want to die!"

Lyoko

"You were right Aelita," said Yumi as they jumped over another gap. "It's not hard."

"Where are the monsters?"

"Three hornets coming up," said Jeremy as the monsters came into sight. Harry turned into a hornet and shot three times in rapid succession. Each shot hit but the hornets didn't get destroyed. Harry did the hornet's equivalent of a pout before hitting them again and destroying them.

"There's Harry's transforming ability again," said Yumi. "You haven't used that in a while Harry."

"More hornets are on the way."

"This is where the hornets have the advantage," said Aelita. "Of course, Harry can turn that advantage to our use."

Yumi defected a few shots with her fan before getting hit.

"Jeremy! I'm caught in a crossfire!"

Harry shot at them and destroyed one.

"Hang on! Odd and Ulrich are on the way! Well I hope so, anyway…" said Jeremy.

Yumi continued to deflect the shots as a hornet snuck behind her. Yumi saw it and took the hit. She devirtualised. Harry turned back into normal and used his shuriken to defeat the hornets but even more turned up.

"Yumi! NO!"

"Aelita, use your creativity to protect yourself!"

Aelita started to sing and rocks formed around her.

Lab

The boys and Samantha came in.

"Wow, this place is wild! What is it?" asked Samantha.

"You're finally here," said Jeremy as he peered over the top of the monitor. "Yumi's been devirtualised, Aelita's under a layer of rock and Harry's fighting Hornets alone!"

"Odd, I don't understand any of this! What's going on, huh?" asked a confused Samantha.

"Sorry, there's no time to explain! You keep Jeremy company and I'll see you later!"

"What?"

"Oh, girls…" muttered Odd as he and Ulrich went down to the scanners.

"No time to lose," said Jeremy. "Destination, the mountains. Transfer Odd. Transfer Ulrich. Scanner Odd. Scanner Ulrich. Virtualisation!"

Lyoko

"Where are those two?" muttered Harry as he continued to fight. "It's not that I'm getting hurt but backup would be nice!"

Aelita's protection started to break down as the two boys appeared.

"Sorry we're late Aelita! This'll convince you to forgive us! Laser arrow!" said Odd as he fired and missed. Ulrich ran towards the monsters but Harry destroyed them.

"Well, that was anticlimactic," said Odd as he walked over with Aelita. "So, who's deactivating the tower?"

Harry flicked himself over the platforms to the tower.

"Well, that solves that problem."

Harry walked up to the centre, rode the virtual elevator and pressed his had to the screen.

Harry

Code

Lyoko

"Return to the past Now!"

Earlier

"Hey, I thought you said no-one else knew!" exclaimed Samantha as she and Odd entered the room.

"It's ok, they're my pals!" said Odd. "This is Ulrich, Harry and this is Jeremy, the genius who's going to help you rock!"

"Have a seat, Sam! I'll show you what you can do when you've got great equipment!" said Jeremy as he set up the computer.

"Thanks, Odd!" said Samantha as she smiled.

"Now if you don't mind, let's focus, ok?"