I own neither Star Trek nor Voyage to the Bottom of the Sea - I've been planning on writing and releasing Voyage to the Bottom of the Sea one-shots for a while, and this is the first crossover I've written. I hope you all enjoy it.

For those of you following my Temporal Cold War series, I'm writing an original character who has taken the name of Noys Lambent, a character out of The End of Eternity who is travelling through different timelines to meddle with history to prove to the powers that be that time meddling in different realities is inevitable and ultimately harmless to her home reality.

Please let me know what you think.

Temporal Cold War: Two Travelling Meddlers.

Mr Pem yelled as he was ejected from the Time Portal, and he quickly checked himself with the medical instruments he kept on hand in case he was badly injured - with the destruction of his control watch, the conduit linking the timeline he had visited and his home base, it was foolish to just leap through a Time Portal when the conduit was falling apart, his control watch was linked to his main equipment and so it just opened the door again.

But he had needed to escape from Nelson and the rest of the Seaview crew. It had been such a close call, and Pem could not believe just how well Nelson had tricked him - he may have escaped that dratted timeline with his life, but he had nearly been killed in the process.

Oh, he planned on making sure Nelson answered for it, yes he would-

"Y'know, I would never depend on a homemade time portal controller into a pocket watch; finite size and not enough for the energy source," the voice, oh so terribly familiar, made him jump and he looked around. Pem's eyes shot open in horror as he took in the sight of Noys Lambent, who was sitting on a chair so nonchalantly carelessly with her feet propped up on the table with a casualness that irritated him.

"You? Why are you here?" Pem quickly looked around, trying to determine which of his weapons were close by. "Are there Temporal Agents out there?"

Too bad she got there before he did. "Not as far as I know. Don't bother worrying; I am not here to hurt you. I just dropped by when I spotted your open time portal, and I thought it would be a great chance to talk to an old friend-."

"We are not friends." Pem's reply was sharp, insistent. Instantaneous. He was glaring at her with dislike and even a little fear. He knew enough about this woman to be worried.

Noys ignored him. She knew there was a grain of truth to what he was saying. The two of them were time travellers from the same era, but where Noys meddled with history with a clear plan in mind, she knew Pem was the opposite of the equation.

He was good in his own way, but Pem just liked thinking short term.

She carried on as if he hadn't spoken. "Bit risky of you, leaving it operating like that and letting it decay," Noys was currently looking down at her lap where she popped something into her mouth. Pem thought it might be chocolate, but he could not be sure."Using the nuclear reactor of an advanced submarine in a timeline where there was the possibility of it being built. I also found this in a locker."

She held up an old-fashioned looking pocket watch; if the device was shown to anyone from the 20th century, they would just assume it was a mundane pocket watch out of an antique store. But she and Pem and anyone else from different time travelling eras would see it was more advanced than it appeared.

Pem was instantly on the defensive. "Give that back to me!"

Noys dropped her casual facade and she got back on her feet, and she moved out of reach of Pem. "I've been watching you, Pem; you've been keeping a time corridor open to that timeline and its alternatives for months. Why are you so interested?"

"You're not any better, Lambent; I know you travelled to an alternate where the First Ones didn't completely leave the Milky Way, and you gave a more primitive Earth in a reality warp travel was non-existent and augmented their brains and bodies to fighting off an alien occupation, but you always seem to travel to various timelines and alter them and then move ahead. Why can't I do the same?"

"Oh, you do," Noys countered, "but you also nearly got yourself killed, and you would have done if I hadn't connected my own Time Portal controller to yours, and pulled you through. Seriously, you very nearly got yourself killed. You were lucky, or else the energy booster in one of these things," she held up the control watch she'd taken, "would have overloaded and fried you alive!"

Pem looked at her open-mouthed; he hadn't expected this. "Y-you saved me? Why?"

Noys grinned at him suddenly. "We time meddlers have to look out for one another. The Temporal Cold War is ongoing, we are both trying to show those idiots there's no real danger to the timelines if we meddle."

"Yes, I know," Pem dropped his gaze and rubbed and knuckled his eyes, confused. He didn't understand why Lambent would save him. They were not friends, but something told him she had done it with something in mind. But he wanted answers, and he wanted them now. "Why did you save my life? Please, just answer my question."

"I admit, it was tempting for me to just let you be electrocuted - you deserved it, seeing as you were so monumentally careless to reveal to Nelson your existence rather than play with him and his crew like you had before - but like I said, we're both time meddlers, and realistically we are going to exist regardless of those stupid laws set up by the Temporal Accords," Noys shrugged, "that's why I saved you. I might not like you, and you are arrogant, shortsighted, but you are good at what you do."

Pem was instantly defensive. "I am not arrogant! Or shortsighted!"

"Oh no? When I rescued you I took a moment to check what you'd been doing. I saw how you took the Seaview back in time to prehistoric times with no way of getting back, and it showed me several possibilities of things I could do myself. But then you fucked it up badly when you revealed to Nelson you existed, and you showed him what you could do. But before I go on detailing some of your worst mistakes, just answer this one question; did you really let Nelson assume your old control watch and time portals worked with light acceleration because it was funny, or to prove to you how primitive and limited his knowledge of science is compared to ours?" She asked and despite the clear, if unspoken insults to his intelligence, Pem could not help but laugh.

"A little bit of both," Pem admitted as he slowly started to stop laughing. "I'd originally had no intention of telling Nelson the truth about where I came from, but when he stated his 'knowledge,'" Noys blinked when Pem actually used quotey fingers, "about time manipulation, my whole brain just went 'what the hell' so I played along, but I told Nelson the truth that the control watch was an energy booster as well as a controller."

"And he honestly believed it? I dunno whether or not he believed you or not, seeing as how light acceleration doesn't allow anyone to travel back in time, never mind teleport matter?"

Pem shrugged. "I can't say, but I'm not going to lose any sleep over it."

"Yes, speaking of which, do you want to hear some of your worst mistakes?"

"Not really."

"No? Too bad," Pem was levelled with a serious glare from Noys. "Your biggest mistakes were falling for Nelson's lies about time travel and becoming a partner, the others were not freezing the Seaview crew the moment you stepped foot onboard the ship; if you'd done that, you could have reached Seaviews' reactor and left before they even realised you were there. Or even better, you shouldn't have revealed yourself in the first place; I've been there, Pem, I was trapped in 1940 when my own Time Portal started to break down when I tweaked moments in that timeline; I had to live through the Second World War where the Nazis took over Britain. I couldn't see any sign of the nuclear bomb being built, so I imprinted the knowledge into the mind of a Russian scientist when the Germans showed no sign of advancing into Moscow. But I didn't reveal myself."

Pem had been growing more and more frustrated and irritated by the woman in front of him pointing out his flaws. "I was desperate; I'd become trapped in that timeline because I'd been visiting it over and over again, and the corridor's power source began to break down. I had only enough energy to get onto Seaview, but believe it or not I had planned to freeze the crew, or leave them trapped in the past to distract them so I could get to the reactor."

"And then you realised you'd underestimated how much power you had?" Noys guessed.

"That's right. In the end, I had no choice. I was hoping that Nelson would have the kindness to help. But I couldn't tell him the truth about where I was from because I didn't know if he would believe me, and I was running out of time to tell him the truth. When I got on Seaview, my power was down to the dregs. I had planned on sending Seaview back to its original time as I left," Pem rubbed his face. "And you're right; it wasn't the best laid out plan. But I still don't understand why you decided to help me?"

Noys chuckled. "I haven't meddled in Seaviews' timeline, but it offers a lot of possibilities."

Pem stared at her, hiding his intrigue as it was mixed with worry. He didn't like where this was going. "What kind of possibilities?"

"Seaview is unique, for one thing. But what if it wasn't? What if there were super submarines being constructed by every navy on the planet? Or much more? It would mean a technological revolution that will only have greater advantages to the future," Noys replied. "I was thinking you and I enter a partnership; your knowledge of this timeline, and my own resources. I have the databases of several advanced races. Imagine what we could do, Pem.

Noys suddenly beamed at him. Pem uncertainly smiled back, though he was starting to wonder if he was being conned.

Author's note - If you would like to contribute to funding my writing, please visit The Stargate Time Traveller on Pa-treon.