Disclaimer : I don't own it.

Dragonwitch250 - LOL. Oh this chapter was fun!

Skyedragon93 - Oh, I know. Poor Sunny. I'm really glad you like it. :)

Jovianokamigirl - LOL, It's probably not what you think. LOL, This time it has nothing to do with Ratchet, either.

Negimasamurai - You could be right. I'd suggest for Wheeljack to run for his life. -.-'

Rubyswordmaster - LOL. I know, I can just imagine it, too. Poor Optimus, but -snorts- that's flipping hilarious! Nope, out fair is the beginning of next month. I'm going the first night to get pictures of the smash-em-up dirby, and then I'm considering going the last day to get shots of the horse pull. My grandfather loves horses, and so do I. Duzes of Hazzard? I was thinking Fast and the Furious, with the giant burning oil tank bouncing towards them on the road. Hm, I don't know, but we'll see what we can do.

I've never watched Dukes of Hazzard, although I can see an evil Autobot setting up speed bumps. -.-'

Clifjumpersfangirl - I get car sick if I ride on an empty stomach or read. The only time I ever really got motion sickness was after riding the gravitron at the local fair, 8 times in a row. LOL. That wasn't fun. Hm, possible chapter idea? -grins evilly- Oh yeah, possible chapter idea indeed.

Elita One - You'd think that, wouldn't you? LOL, You might be surprised.

Captain Arianna Trouble - Well, I can't let the major twins have all the fun, now can I? Well, ok, so I can, but... LOL.

Note : This is the last update for the week for many reasons I won't bore you with. So... I'll do what i can to write more and see you all next week. :) Thanks guys, I'm really, really glad you like my fic so far. :)

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(Normal POV)

'I'm going to kill you!' A high pitched, feminine screech sounded through the empty halls of a currently abandoned section of the camp. 'How could you... Wheeljack... I-I... I'm gonna slagging offline you good!'

A resulting boom filled the smokey lab, and there ws a low groan as a gigantic blue and white mech fell over, a huge dent in his helmet. His blue optics offlined briefly, then flickered back online, and he quickly got up as the horrible screeching continued. "I don't know how this could have happened, I swear!"

'Internal communications! Internal communications!' The femme shrieked, throwing another wrench. 'I'll never live this down if the others find out, and I don't fragging care what happened! FIX IT!' Glowing blue optics flashed red briefly, before the femme turned and stalked off, her slender waist swinging with every step.

A low whistle emerged from the blue and white mech, without him realizing it until it was too late, and when she swung back, her eyes permanently switching to red -out of rage of course, not changing over to the 'Con side- he gulped nervously. "Now, now..." He turned. "If I'm offlined, I won't be able to fix things!"

'Fix. It.'

The low command was stated calmly, but dangerously, in a tone that almost dared Wheeljack to argue. With a final glare, the yellow, glossy femme turned and sauntered out of the room. Once outside of the door, they paused and looked down at herself in horror. This is just fragging great! Optimus assigns me to help Wheeljack with his experiments, while Sideswipe's off doing Primus-knows what, and this happens!!

With a low growl, the femme stomped off down the hall. She bypassed several mechs who stopped upon seeing her, first eyeing her warily, until they saw the Autobot insignia on her armor, then eyeing her appreciatively, some offering whistles, until she turned a long, deadly wrist blade on them.

Enough of this! She mentally hissed, transforming into a sleek, curvy Corvette Stingray, and driving off, still ignoring the blatant whistles she got from both Mechs and humans alike. She drove through the halls furiously, just barely managing to avoid hitting several humans, before screeching to a halt outside the office of one Optimus Prime.

Despite the sex change, you'd think they'd recognize the wrist blades, or yellow Corvette, but nooooo!

She growled under her breath as she glared at the door, briefly considering taking it out with a blade, just to make a point. Then she thought better of it. Slapping the panel hard, she stalked in angrily, glaring at the shocked gaze of her commander.

Fragging hair-brained scientists! Fragging experimental failures! She was ranting mentally, trying not to go on a rampage of destruction, she was so angry. Instead, she glared steadily at Optimus, taking only a second to gather her control before she ended up dragging him to Wheeljack and having him try his experiment on the boss 'bot.

"You!!" Glaring at him, she stalked forward and removed one of her wrist blades before pointing harshly in the face of Optimus, who looked confused and concerned. After all, as pissed as she was, it really wouldn't do to stab the boss, now would it? "This is all your fault!" Somewhere, in the back of her mind, she aknowledged that it probably wasn't a good idea to yell at the commanding 'bot, but boy, was she pissed!

"I'm sorry, can I help you...?" He slowly stood up and gently grasped her hand, his eyes softened. He might not have realized it, but he was definitely being a little too attentive, and it definitely was unwelcome.

"Eeeeeeek!" Practically ripping her hand out of his grasp, she shuddered, and grimaced, realizing she'd just screeched like a femme. "Oh, Primus, don't do that! Let me guess, Wheeljack didn't tell you?" When Prime shook his head, almost looking hurt and very confused, she growled. "Get the report from him, then!" Turning, she stalked out of the room. I gotta find Sides. He'll find a way to help me get revenge!

The search took her a while, with her having to dodge the...attentions of several mechs, and the suspicion from Ironhide and Ratchet, who didn't recognize her. Of course, in this form, they couldn't recognize her. That had been the point of the experiment, after all. Finally, she found him laughing hysterically, leaning against a wall in his human holoform.

"Sideswipe."

Looking up at the strange voice, his eyes widened, and then narrowed as a cocky grin formed over his face. His holoform fizzled out of existence, and only seconds later an engine could be heard, before a silver Corvette Stingray raced around the corner, hastily transforming as he pulled to a stop just inches from the femme. "Well, hello there." His tone was low and seductive.

Optics widened before narrowing dangerously. "Don't even start! You wouldn't believe the day I've had!"

"Why don't you tell me all about it?" Sideswipe slid a little closer, never once being phased by her tone. "And maybe later I'll tell you about the latest prank I pulled, with the help of a couple of squishies."

Ignoring his own tone and the second half of his statement, the femme cycled her vents as she recalled the incidents in her mind. It had all started out with Optimus' obvious attempt to keep her and her brother from pulling pranks, by splitting them up and sending her on watch duty over Wheeljack.

Flashbac

"Ok, so I've created a special chip that when activated, will create the illusion of a completely different disguise. Basically, you can go from being a yellow Corvette, to a blue and red Peterbuilt semi." Wheeljack was explaining a new experiment of his. "Basically, it's like our transforming, but a lot less time consuming and obvious."

Nodding, the mech standing across from him tried to bite back a smirk. I could imitate Optimus Prime? His mind began helpfully giving him images of all the trouble he could get into, with that.

"You'll not only look like whatever form you chose, but you'll give off the energy signal, and sound or act like it as well. Here, for this experiment, I'm going to try an extreme change. It's basically a shell over you, so you don't need to worry, but I'm going to give you the outward appearance of a femme."

"What?!"

"Hey, now! You're here out of Optimus' orders, and this is my project! Shut it and hold still!" Wheeljack moved behind the large yellow mech and began fiddling with something.

End Flashback

What in the name of the pit had convinced me to allow him to attach anything to me?? Cycling her vents, the femme startled and shrieked in rage when she felt a firm grasp on her aft. "Sideswipe!!" Without even thinking, she reached out and punched him directly in the face. Eww, eww, eww! Eww, my brother groped me! Shuddering in disgust, she growled at the shocked silver mech across from her.

"Why I outta..." She glared and stalked a step forward.

"Sunstreaker! There you are, I've been looking all over for you!" Wheeljack suddenly rounded a corner.

Her left optic began to twitch as she turned her deadly gaze on the soon to be slagged scientist. 'What did I say about internal communications?'

Sideswipe froze. His optics widened and he really seemed to take in the femme before him. Then his optics went down to her aft, and then his hand. Slowly, he backed up, his optics finding hers again. "Su...Sunny?"

"Don't call me that!"

Jaws dropped as Ironhide, Ratchet, Prowl and Optimus all walked around that corner, seemingly in a group discussion, and heard the proclamation. Optimus' optics were a little haunted, probably because he'd realized he'd more or less hit on Sunstreaker earlier, whether or not he meant to. Still, from the wicked gleam in Prowl's optics, he had a feeling he wouldn't be living this down any time soon.

"Oh my Primus, I groped my brother! Oh my-EWWWW! NASTY!" Sideswipe began shaking off his hand, as though he could shake off the fact that his hand had come into intimate contact with his twin brother's aft. "Eww! Eww! Eww!"

Whacking Sides on the back of the head, Wheeljack got his attention and began his report of the damage assessments. "Well, I've run some scans, and..." The scientist coughed a little, almost forcefully, before taking a couple steps back.

Turning to him, Sunstreaker stalked a step forward. His optics narrowed dangerously, even as he absently flipped off someone behind him who whistled. "'And' what, 'Jack?" Once again, the smooth feminine voice that issued forth was more of a dare than anything.

"Well, it seems... Nothing went wrong."

Twitching optic stopped, then Sunny inhaled sharply. "What?! Are you fragging kidding me?! Nothing went wrong my aft!" The light voice was getting higher and higher as Sunny stalked over to Wheeljack and slapped him upside the head. "Have you seen me?! I'm a fragging femme!"

"Trust me, we've noticed." There was an undercurrent in Ironhide's tone that made Sunstreaker shudder and glance back at the weapons specialist warily.

"The point is, I should be able to adjust the chip to turn off the shield, and then we can remove the chip, and you'll be as good as new."

Yeah, but with a reputation I'll never live down. Sunstreaker thought darkly, as he cycled his vents and leaned back slightly, showing he was backing down. When everyone just continued to stare at him, he narrowed his optics. "Well? What the pit are you just standing there, for?! Get to work!"

Moving quickly, Wheeljack fiddled with the shield, and Sunstreaker felt a small pulse cover him. There was no resulting explosion, this time, thankfully, and when he looked down, he was relieved to see he was back to normal. He felt Wheeljack remove the chip, then turned to Optimus.

"Prime, I refuse to be a part of anymore of his experiments. I don't care what else you assign me to, but by Primus, not that! Not again!"

Staring at him a long moment, Optimus nodded. "As you wish..."

Turning, Sunny started to stalk off while planning revenge, only to be stopped by Prime's next words.

"Lady Sunny."

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Note : Ok, probably not that funny, but at least Sunny got his, huh?

Coming up Next on Autobot Pranks...

Prowl stars in... Chapter 11, Avatar Mischief.

Hope you like it.

R+R please.

Thank you.

Tenshi