A/N: So this is a story that I've been thinking about for a while. There's still a few details I'm working out, but I have a basic idea about what's going to happen. Basically, Seth and Sara are back on Earth looking for some help from Jack and Alex. Though I did like the movie, I feel like they made it more about Jack than they did about the kids. So that's why I'm making this, to make the story more about the kids dealing with their powers and dealing with some pressures of being alien kids. For that reason, the only romance in this story will be between Alex and Jack; Seth and Sara will have a strong brother/sister bond like in the original movie.

Chapter 1

It was a dark Friday night when Jack Bruno finally entered his small apartment and dropped his keys on the hall table with a jingle. It had been a long day driving complete dorks and weirdos in alien costumes or some scientists from the airport to the casino where the UFO convention was taking place. It was funny how it had been about a year where this exact same scenario played out when the two kids showed up.

With a soft sigh, he moved towards his bedroom and opened the top drawer of his nightstand and pulled out the weird tracking device that Seth had given him before the two of them left. Inwardly, Jack kicked himself, why the hell was he thinking about these kids for? They had left him and they were never planning on coming back. But he still seemed to check the device that he never fully figured out how to control it. All he knew was that there were two little blue dots that were normally far away from the red one that was supposed to be Jack and the closer, yet still distant yellow dot that he supposed was supposed to be Dr. Alex Friedman.

"Happy anniversary, kids," Jack spoke quietly and placed the device down gently on the dark painted nightstand and moved into the bathroom to get ready for bed. Coming back out of the bathroom dressed in a simply white tee shirt and red plaid boxers, Jack shut off his light and lied down on the bed before shutting his eyes and let sleep take over his body.

The next morning, Jack awoke with a groan while his alarm clock beeped annoyingly beside him. Without even opening his eyes, Jack hit the snooze button on the clock and rolled over for some more sleep. Thankfully, Saturday was a day where he could sleep in before heading into work at four in the afternoon.

'Jack Bruno.'

Hearing that, Jack shot up into a sitting position on the bed with his eyes wide and breathing deeply as if waking from a nightmare. His dark eyes glancing around the room searching for the familiar blond girl that he was sure had called out for him. When he saw the room was empty, Jack relaxed slightly. That was weird, he definitely thought that he heard Sara calling out to him, but she wasn't anywhere in the room. Of course she always had her telepathy, but when she used it, her voice always seemed so faint and delicate. This time, it was almost as if she was standing right next to him.

Shrugging it off as a dream, Jack figured he'd go for a walk considering sleep seemed to be out of the question for the moment. After getting his faded jeans on and throwing on a leather jacket, he walked out of his apartment and headed downtown. "Calm down Jack, you have at least thirty years before you start losing your mind," he mumbled to himself.

Living in Los Vegas meant that trying to find a place where one could be alone was nearly impossible. But as Jack moved towards the edge of the town, there were less and less casinos or hotels and more residential areas. That was nice, especially because Jack really needed some time to try to get his mind off of those two kids. He was supposed to be forgetting about them. That was last year and they were long gone, probably living their lives to the fullest and forgetting about him.

"Give it back you little twerp," an angry voice rang throughout the neighborhood.

That was enough to catch Jack's attention. Slowly, he moved around the corner and saw about five older teenagers with their backs towards him. Though it was nearly impossible to see over these guys, Jack thought he saw the familiar crown of golden hair. The cab driver shook his head, trying to clear his thoughts. Apparently, he seemed to have a blond obsession and he really needed to learn how to get over it.

"Look, I don't know how you managed to do it, all my doors were locked last night, but those are my clothes," a rather muscular brunette boy moved forward and lifted his arms. A hard crack was heard, and Jack raised an eyebrow. What the hell could that have been? Taking a few steps closer, Jack brought himself to his full height and his jaw dropped.

There, trapped between the wall and the group of guys was Seth and Sara. In a long year, Seth grew even taller so he was the same height as Jack if not slightly taller. His build was far more muscular, his shoulders were wide as his blue eyes glared at the five boys unafraid of what could have happened. The boy's hair had grown longer so that his bangs covered his eyebrows and the sides nearly covered his ears.

Sara had developed as much as a female body could for a fourteen year old girl. Her hair was long, halfway down her back. Jack barely even recognized the two children; it was only the familiar face structure that allowed him to realized that it was the two kids that he helped save a year ago. In fact, Jack seemed frozen in place as he watched the little brawl between the kids.

It wasn't until Sara gave a worried gasp as she watched her brother pull away from the wall as dust and small rubble from the broken bricks fell from behind Seth's head. It seemed as if the brunette had shoved Seth backwards trying to daze the boy. Too bad for the blonde's ability to control his body's molecular density. The younger boy was suddenly turned harder than the brick wall behind him leaving a damaged wall in his wake.

A low growl escaped Jack's lips and he finally decided to get involved. "Hey!" he shouted at the kids, moving even closer to the group, "What's the problem?"

"This creep stole my clothes," The brunette grumbled as his green eyes burned into Seth who still had yet to change his furious expression.

"And you can prove that?"

At that, the older boy faltered, "Well, the door never opened, but I know that's my shirt. No one else around here has one," his temper getting the best of him forced him to nearly spit at Jack.

Trying his best to control his erratic emotions, something that the two kids standing in front of him had taught him, his brows furrowed and he glared at the boy. "I suggest you boys leave before you bite off more than you can chew," he spoke through gritted teeth while subconsciously cracking his knuckles.

The brunette only smirked, "Sorry, pops, I'm not afraid of you either." Before Jack could react, the boy threw a punch straight towards Seth's jaw. Though it did make contact, even Jack could hear the bone's breaking in the boy's hand. If Seth had so much as blinked since Jack arrived, the cab driver didn't manage to notice it.

While the four lackeys simply stood with their jaws on the floor, the brunette actually fell to the ground nursing his hand and screaming in pain. "Come on bro, we gotta get out of here. The kid's insane," a red haired boy literally pulled the leader from the ground as the five kids ran away.

Finally finding himself alone with the two kids, Jack let a smile escape his lips as he turned to look at his best friends. Seth's piercing blue eyes were still glaring at him, as if he didn't recognize the older man. But before he could ask the boy what was wrong, Sara had nearly tackled him with a hug. "Jack Bruno! I knew that you heard me even if you did not believe in Seth or myself."

Jack could only blink for a few moments. He didn't believe in them? Is that why Seth seemed to be so upset with him? "Please forgive my brother," Sara stated, Jack figured she was simply reading his mind again. "It has been a rather difficult beginning to our trip this time. At least we did not crash our space craft. In fact, there were no difficulties, and it was an easy trip."

Though Jack was listening to every word that Sara seemed to babble to him, he did have a million questions running through his head so fast that he was sure that even Sara couldn't read them. "Okay, you two have a talent for finding trouble and dragging me into it," he smiled. It might have seemed rude, but it was the best greeting that Jack could come up with. A moment later, his happy expression dropped, "But what are you two doing here?"

"There has been another quandary on our home planet," Seth's voice cause Jack to jump. It seemed as if this boy had finally hit puberty for Seth's voice was easily an octave lower than he remembered it.

"It means our planet is in danger," Sara translated when she read Jack's confused expression.

Raising his right eyebrow, Jack looked at both of the kids as if trying to read them, "What kind of danger."