Work Text:
"Captain?" Spock asked, looked down next to him where the captain should be, instead meeting empty space. Upon gazing down he discovered a golden lizard that looked up at him with what could only be shock.
The reptile nodded its head, an action that should be impossible, or at the very least, not something that could correlate with the question that Jim had asked.
"Fascinating," Spock murmured, his eyebrow arching as he knelt down. The gecko — approximately twelve inches in length with distinctive golden scales that seemed to shimmer under the transporter room lights — tilted its tiny head and opened its mouth.
"Spock!" came a voice that was unmistakably Jim Kirk's, though considerably higher in pitch and emanating from the small reptilian form. "What the hell happened to me?"
Dr. McCoy, who had been monitoring the transport from the bridge, chose that moment to materialize in the transporter room. "Jim, what's taking so—" He stopped mid-sentence, staring at the scene before him. "Sweet mother of — is that a talking lizard?"
"It's a gecko, Doctor," Spock corrected, gently extending his hand toward the transformed captain. "And it appears to be Captain Kirk."
"WHAT?" McCoy's medical tricorder was already in his hands, whirring as he scanned the small creature. "This is impossible! The readings show human DNA, but the cellular structure is completely—" He paused, looking more closely at his readings. "Jim? Is that really you in there?"
The gecko scuttled up onto Spock's palm with surprising agility. "Bones, I swear if you make one crack about me being cold-blooded, I'll court-martial you the minute I'm back to normal!"
Scotty emerged from behind the transporter console, his face pale. "Captain, I'm so sorry! There was a power fluctuation in the pattern buffer during transport. The bio-neural circuitry must have crossed with the exotic DNA samples we picked up from Risa last week."
"The gecko specimens from the xenobiology conference," Spock realized, his voice taking on that particular tone he used when working through a complex problem. "The transporter must have somehow merged the Captain's pattern with their genetic template."
Kirk's tiny gecko eyes — which, McCoy noted with fascination, were still distinctly Kirk-hazel despite everything—narrowed dangerously. "Are you telling me I'm stuck like this because of vacation souvenirs ?"
"Now Jim, let's not panic," McCoy said, though his own voice was slightly strained. "We'll figure this out. I just need to run some tests—"
"Tests?" Kirk's tail twitched with what could only be indignation. "Bones, I'm the size of a tricorder! What if someone steps on me? What if I get eaten by something? What if—"
"Captain," Spock interrupted gently, "your voice carries quite well for your size. I do not believe you need to concern yourself with being overlooked."
Indeed, several crew members had already gathered outside the transporter room, drawn by the commotion. Lieutenant Uhura peered around the doorframe, her eyes widening as she took in the scene.
"Is that...?" she began.
"The Captain," Spock confirmed. "There was a transporter malfunction."
Uhura covered her mouth, clearly trying not to smile. "Captain, I have to say, the golden color is quite becoming on you."
"Not helping, Uhura!" Kirk squeaked from his perch on Spock's hand.
Dr. McCoy was already heading for the door. "I'm getting you to sickbay right now. We need to analyze your cellular structure and figure out how to reverse this before—"
"Before what?" Kirk demanded.
McCoy paused uncomfortably. "Well, according to these readings, your metabolism has increased dramatically. You're going to need to eat... frequently."
"What kind of frequently?"
"Every twenty minutes or so."
There was a moment of stunned silence.
"What do geckos eat?" Kirk asked in a voice that suggested he really didn't want to know the answer.
"Insects, mostly," Spock replied matter-of-factly. "Small invertebrates. Some fruit."
Kirk's tiny gecko face somehow managed to convey absolute horror. "You're joking."
"Vulcans do not joke, Captain."
"I am NOT eating bugs!"
McCoy was already pulling up dietary information on his PADD. "Jim, you may not have a choice. Your body chemistry has completely changed. You need protein, and lots of it."
"This is a nightmare," Kirk muttered, then looked up at Spock with his tiny gecko eyes. "How am I supposed to command a starship like this? I can't even reach the captain's chair, let alone sit in it!"
"Perhaps," Spock suggested diplomatically, "this might be an opportunity to delegate more effectively."
The look Kirk gave him could have frozen a supernova, despite coming from something that could fit in a coffee cup.
"Mr. Spock," Kirk said with as much dignity as a twelve-inch reptile could muster, "when I'm back to normal, we are going to have a very long talk about your definition of 'opportunity.'"
As if in response to his stress, Kirk's gecko body began to change color slightly, shifting from gold to a more agitated orange-red.
"Fascinating," Spock observed. "It appears you've retained the gecko's ability to change color based on emotional state."
"Oh, that's just perfect," Kirk grumbled, his scales now definitely more red than gold. "As if this day couldn't get any worse."
Three Hours Later - Sickbay
Dr. McCoy wiped the sweat from his brow as he stared at the bio-bed readings. Kirk — still in gecko form — sat perched on a specially designed miniature platform, his scales now a frustrated shade of burgundy.
"Bones," Kirk said, his tiny voice carrying more authority than something his size should possess, "please tell me you have good news."
"Well, the good news is that I've isolated the genetic markers that are keeping you in this form," McCoy replied, adjusting his tricorder. "The bad news is that reversing the transporter's genetic splice is going to require a complete pattern reconstruction."
Spock, who had remained steadfastly by Kirk's side for the past three hours, raised an eyebrow. "Doctor, are you suggesting we attempt another transport while the Captain is in this... diminished state?"
"It's the only way, Spock. But we'll need to boost the biofilter resolution by at least 300% and manually separate his human DNA from the gecko template." McCoy paused, looking down at his miniaturized captain. "Jim, there's a risk. If we can't maintain pattern integrity during the reconstruction..."
"I could be stuck like this permanently," Kirk finished, his tail curling around the platform's edge. "Or worse."
"Or worse," McCoy confirmed grimly.
Kirk was quiet for a moment, his small chest rising and falling rapidly. Then, unexpectedly, he scuttled closer to where Spock's hand rested on the bio-bed, tiny claws gently gripping the Vulcan's finger. The gesture was so distinctly Jim — seeking comfort and connection even in this impossible form — that Spock's breath caught almost imperceptibly.
"Spock," Kirk said quietly, his miniature voice carrying a vulnerability he rarely showed, "if this doesn't work..."
"It will work, Jim." The use of his captain's first name was barely audible, but Kirk's scales immediately shifted to a warmer gold at hearing it.
Then, in a voice that was pure James T. Kirk despite its diminutive delivery, he said, "Do it."
"Jim—"
"That's an order, Bones. I have a ship to command and a crew to protect. I can't do either of those things as a gecko." His scales shifted to a determined gold. "Besides, what's the worst that could happen?"
McCoy and Spock exchanged glances.
"Captain," Spock said carefully, "given recent events, perhaps that particular phrase should be avoided."
Despite everything, Kirk's tiny gecko mouth curved into what might have been a smile. "Point taken, Mr. Spock."
Two Hours Later - Transporter Room
Scotty's hands flew over the transporter controls with practiced precision, sweat beading on his forehead as he made microscopic adjustments to the pattern buffers. "Almost ready, Captain. I've isolated your original human pattern and boosted the biofilter resolution to maximum."
Kirk sat on the transporter pad, looking impossibly small on the large platform. His scales had cycled through various shades of anxiety before settling on a pale gold. Just before Scotty initiated the sequence, Kirk looked directly at Spock.
"If something goes wrong—" he began.
"Nothing will go wrong," Spock interrupted firmly, their eyes meeting across the room. "I will not permit it."
The absolute certainty in Spock's voice seemed to calm something in Kirk, his scales brightening slightly. "I know you won't, Mr. Spock." he replied.
“Ready to initiate, Captain.” Scotty said.
“Energize.” Kirk acknowledged with a final nod as Scotty began the sequence, Spock watching as Jim dissolved slowly in the blue rings of light.
"Mr. Scott," Spock said from his position at the engineering station, "I am reading quantum fluctuations in the pattern buffer."
"Aye, that's normal for this type of reconstruction," Scotty replied, though his voice carried a hint of uncertainty. "The computer needs to essentially rebuild the Captain from scratch."
McCoy stood ready with a full medical team, his tricorder in hand. "Jim, the moment you materialize, we'll beam you directly to sickbay for a full medical evaluation."
"Understood." Kirk's tiny voice carried across the room with surprising clarity. "Gentlemen, it's been... interesting being this size. But I'm ready to get back to work."
"Energizing," Scotty announced.
The familiar whine of the transporter filled the room as Kirk's small form began to shimmer. The golden sparkles seemed to expand, growing larger and more complex as the pattern buffers worked to reconstruct his human form.
For a moment, everything seemed to be working perfectly. The sparkles were taking on a distinctly human shape, growing taller...
Then the lights flickered.
"Scotty!" McCoy shouted.
"I'm losing pattern cohesion!" Scotty's hands flew across the controls. "The quantum matrix is destabilizing!"
"Compensate with the emergency buffers," Spock ordered, his own hands dancing across his console.
"I'm trying, but—"
The transporter beam suddenly surged, blindingly bright, before snapping back to its normal intensity.
When the sparkles faded, James T. Kirk stood on the transporter pad — fully human, completely naked, and swaying slightly on his feet.
"Jim!" McCoy was moving before the transporter cycle had fully completed, medical tricorder already scanning.
Kirk blinked slowly, looking down at his hands with wonder. "I'm... I'm me again." He looked up, grinning broadly. "And I'm tall!"
"Captain," Spock said, the hint of relief in his voice barely perceptible to anyone but Kirk, "you appear to have retained your original human configuration." he finished, trying desperately to keep his eyes trained on his captain’s face and not other areas of anatomy.
"Vital signs are normal," McCoy announced, throwing a medical blanket around Kirk's shoulders. "Brain patterns, cellular structure, DNA — it's all human. All yours." He paused, frowning at his readings. "Though there's something..."
"What?" Kirk asked, suddenly alarmed.
McCoy's tricorder beeped again. "You've retained some enhanced reflexes and... well, your eyes are definitely more sensitive to light than they were before."
"Enhanced reflexes?" Kirk flexed his fingers experimentally. "Actually, I do feel... sharper somehow."
"There may be some residual gecko DNA integrated into your system," Spock observed, glancing over McCoy’s shoulder at the readouts. "Fascinating. You may have gained certain advantageous traits while retaining your human form."
Kirk tested his balance, noting how steady he felt. "You know what? After spending three hours worrying about being stepped on, I'll take enhanced reflexes as a fair trade."
"Don't celebrate yet," McCoy grumbled, still scanning. "I want you under observation for at least 24 hours. There could be delayed reactions, cellular rejection—"
"Bones," Kirk interrupted, that familiar confident smile spreading across his face, "I feel better than I have in months. Now, where's my uniform? I have a ship to command." Spock was quick to turn around, reaching for the fresh uniform they gathered from the replicator prior to returning to the transporter bay and wordlessly handed them over to Kirk.
As Kirk headed toward his quarters — escorted by McCoy despite his protests — he paused and looked back at Spock. "Mr. Spock, remind me to write a very strongly worded letter to the Risa Tourism Board about their souvenir policies."
"I shall make a note of it, Captain," Spock replied, and if his eyes held a glimmer of what might have been amusement, no one was inclined to mention it.
Later that evening, as Kirk sat in his captain's chair reviewing the incident report, he couldn't help but notice how much sharper his hearing had become. He could hear conversations from across the bridge that would have been impossible before.
More interestingly, he found himself acutely aware of Spock's presence at the science station — his breathing, the quiet sounds he made while working, even the subtle shift in his posture when he was deep in thought. Kirk wondered if this heightened awareness was another gecko leftover, or if nearly losing the ability to be near Spock at all had simply made him more conscious of what that presence meant to him.
Maybe being part gecko for a few hours hadn't been entirely without its benefits after all.
Though he was definitely never eating bugs. No matter what McCoy said about protein requirements.
