Disclaimer: I do not own Jimmy Neutron or any related characters.

John was slowly making his way to Jimmy's house. He could see Wheezer's head in the window. His eyes were two balls of fire. He reached into his pocket and pulled out one of his guns. He hid it behind his back as he rang the Neutron's doorbell.

"Don't let him in!" Jimmy shouted as he and Cindy ran down the stairs. But it was too late, Carl was letting him in.

"Everybody hide!" Cindy shouted as she pulled out two shurikens. She took a quick look at the light attached to the ceiling.

John was about to shoot Carl when something blinded him. It was the light reflected off of the shurikens. "Ah, damn it!" he yelled as he covered his eyes with his empty hand.

Sheen, Carl, and Libby saw the gun in John's hand and ran into another room. Jimmy and Cindy reached the bottom of the stairs. As Carl exited the living room John had gotten his sight back. He fired two rounds at Carl.

"Ah!" Carl shouted before falling to the ground in a pool of blood.

Jimmy and Cindy stopped racing towards John and looked at their fallen friend. "Carl!" Jimmy screamed as he started to run towards his friend.

"Move and you're all dead," John said as he pulled the other gun from his pocket. He aimed the two weapons at Jimmy and Cindy.

Meanwhile, the future Jimmy and Cindy were staring at the monitors. Cindy looked away as Carl got shot. Jimmy just stared at the monitor. He clenched his fists and shouted as the memory of that day came flooding back.

John came into Jimmy's house wielding a gun. Jimmy was his puny self, nowhere near as muscular as his past self was now.

"Freeze!" John shouted. Carl, Sheen, Libby, Cindy, and Jimmy turned away from the TV and looked at him.

"Who are you?" Jimmy asked.

John just laughed. "Unbelievable, Neutron. I've been in all of your classes for five years and you don't even know me."

Jimmy thought for a moment. "Wait, oh yeah! John something," he told him. Jimmy and the gang looked at John and noticed the gun in his hand. "Um, whatcha you doing with that?"

John just sneered. "You think you're so hot, Jimmy. Just because you got the best grades and was Valedictorian that you're so damn special. Well you're not!" he shouted before opening fire.

Jimmy pushed Cindy to the ground and covered her head. He closed his eyes as he heard his three other friends get shot. Then there was a long pause. Jimmy and Cindy slowly got up.

John tsked and shot them in each of their legs. He then walked over and tied them up.

"What are you going to do to us?" Jimmy asked. He couldn't keep the fear out of his voice.

John plucked a hair from Jimmy's head and went out the front door.

"Jimmy! JIMMY!" Cindy shouted into his ear. He shook himself out of his trance.

Jimmy stared at the monitors. The scene was different than the one that had just played in his head. His past self had already changed the future. He realized that there was hope.

"Come on kid, do this," he whispered as he started to cry.

Author's Note: Contrary to what most people think, shurikens (or throwing stars) were not used to kill enemies. They were often used to distract them, such as by reflecting light. So Cindy used them properly.