A/N: I Loved Jodie's last episode, sad to see her go and frustrated we have to wait so long for the next episode of Doctor Who. I spent the whole time thinking about how Kathy would fit into the episode and how it would be in her timeline. Suppose I should dedicate this chapter to the Thirteenth Doctor though I had largely written it before her departure.

I advise anyone that hates the outcome of her regeneration to hold off from making opinions until we see what RTD is up to. Honestly, Doctor Who on Twitter is a nightmare.

Edit: I've had a lovely review condemning my whole story because they didn't like my writing about this Doctor. I hope people don't do that and either give these chapters a chance or simply wait for a new chapter with the other Doctors.

—

King Charles II of England, Scotland and Ireland and his guards charge through the building. The restored Monarch pushes a servant to the side.

"Out of my way!" He cries. He reaches another set of doors leading to the rooms of Painter Matilda and the woman he currently has his eyes on. He pulls on them only to find them locked and he begins banging on them. "Doctor!"

Inside the room, Eleven's clothing is cast over a stool.

"Doctor!"

We pan over to see paints and a palette.

"Doctor!"

A large unfinished painting comes into view showing a naked Eleventh Doctor as Neptune about to be crowned by a cherub. He sits in the clouds and holds a trident in his right hand and his left is on his hip. A red swath of cloth is all that protects his modesty.

"Doctor!" The irate king bursts in, sword drawn, and confronts the lady artist, Matilda, though it is revealed to be Katherine - otherwise known as Kathy - Davis. She stares at him in alarm.

"Your Majesty!" Kathy squeaks out.

Charles usually would have taken time to appreciate Miss Matilda's appearance but he has more important things in his mind. "Where's the Doctor?"

Kathy chuckles nervously. "Doctor who?"

There is a muffled sneeze and the king sees Miss Matilda tense and knows he's caught them. He uses the tip of his sword to lift the hem of her dress. A naked Doctor peers out and smiles cheerfully.

"You know, this isn't nearly as bad as it looks." The Doctor had hoped to get Kathy to help him paint the picture as a present but they had been interrupted.

"For once he's right." Kathy, or "Matilda", remarks.

The Doctor looks more closely at the king before pulling a displeased look. He glances up at Kathy, who looks at him unamused but he can see some humour there and expresses his displeasure. "This is the man who keeps on trying to get you to be his mistress? I get why you keep turning him down."

The monarch stares at him in outrage. "How dare you?!" Not only does this man disrespect him like this but also for fornicating with a woman that is clearly his though little does he know that the Doctor and Kathy would never ever "fornicate" nor is or will the latter ever be his.

According to history books, at the personal intervention of the King, the unnamed Doctor was incarcerated without trial in the Tower of London. According to contemporary accounts, two nights later, a magical sphere some twenty feet across, was seen floating away from the tower, bearing the mysterious Doctor aloft. A lone figure had waved him off before disappearing into the night.

—

Kathy makes the point to be around Carlyle and Ashildr more, though there are times when the Doctor appears and it's the wrong point in the timeline.

These family events turned out to be things like the American and French Revolutions as well as battling with Napoleon.

Soon Kathy gets captured by pirates. How Kathy got caught up in this mess is not entirely her fault. It is 1807 and she had been on a bit of a boat trip with Ashildr and Carlyle as part of the celebrations of Ashildr reaching 1,000 when Ching Shih (also known as Zheng Shih or Zheng Yi Sao) came across them and attacked along with her crew. Kathy ended up getting taken as a hostage by them. Shih and her crew had celebrated their plundering but it didn't last long as Guo Podai and his Black Flag Fleet took hostage of Shih's crew, amongst them are her 6 and 3 years old children.

While Kathy had been annoyed initially at being kidnapped, she recognises a desperate mother in dispute when looking at Shih and offers her help but only if Shih helps Kathy back to her own crew. Shih and they go searching for the lost treasure of the Flor de la Mar.

The Flor de la Mar was a ship which sunk off the coast of Sumatra in the early 15th century. It was carrying a hoard of valuable treasure. This treasure included a plutonic crystal known as the Keystone. Many years after the sinking, a ship captained by Ji-Hun retrieved the treasure but his ship had also disappeared, but Shih knows the location so that is where they head to.

Ching Shih storms off on her own into the village and leaves Kathy in the care of her ship. She soon returns with a piece of stone in her hands looking worse for wear.

"What happened?" Kathy questions.

"Does not matter. We need to get moving." Shih dismisses.

Kathy wants to ask but knows the worry Shih has for her sons.

Shih is lashing the wheel while Kathy navigates with the instruments they have nearby. However, Kathy soon hears talking and sees what appears to be figures hiding behind some barrels. She alerts Shih and they both quietly make their way over so as not to alert the enemy.

"There's two of us. You must be pretty good at fighting if you've survived to be..." A young male voice is saying before trailing off.

"What?" Another – older – male asks. Kathy is startled at the strong Liverpudlian accent she hears. Why is this person in the Chinese region for?

"Seventy?" The first male voice suggests before correcting himself, "Sixty?"

"Forty… two." The second voice stumbles, indicating that while the first male was wrong, he himself may be lying about his age.

Shih's sword is across the second man's throat. "Stowaways!" She declares. Kathy stands behind her, slightly out of sight of the two intruders but she can see them.

Now that Kathy can see the two males clearly, she knows she doesn't know the first one that appears to be Chinese and maybe in his early 20s or younger in period and region appropriate dress but she feels as if the second male, a white man looking as if possibly in his 50s and wearing clothing that doesn't fit with his setting, she could possibly know but she can't put her finger on it.

"Let me do the talking here." The older man murmurs, but, despite his attempts, the two males find themselves bound and hanging upside down from a spar.

"So, my stupid little stowaways," Shih remarks as she circles them. Kathy stands to the side, watching and can't help but notice the older male trying to look at her. "…you think you can bring bad luck to my ship? Tell me why I shouldn't kill you both now."

The older male doesn't answer her and instead yells, "Kathy, you need to help us!"

Kathy gapes at him in utter bewilderment. How does this man know her? Is he from her future? It is possible but Kathy usually knows them even if she doesn't know what kind of relationship they have.

Shih looks at her sharply. "You know these vagabonds? Have you been working behind my back?"

"No! I have never met these two in my life!" Kathy defends. "I know we got off on a rocky start but I made vow to you!"

Shih looks suspicious but nods and turns back to the intruders.

"You might as well kill us, otherwise we're going to kill you." The youngest male declares confidently with the usual arrogance men of his age usually possess.

Shih laughs at the boy's remark while Kathy continues to stare at the other male, trying to work at who he could be.

"For a boy hanging upside down you still have some spirit, but that won't keep you alive for long." Shih threatens.

Kathy goes to hopefully try and save these two males' lives but the older one interrupts, "You've got no crew except Kathy. Somehow, you've managed to sail this thing here with just the two of you. Now, I'm no expert, and I don't know how many crew you should have on here, but surely four's better than two?"

Shih whips around and places her sword at his neck. "You think you're so clever?" She hisses.

"I'm not clever." He replies.

"I got what I came for. But I need to get to the wreck of the lost ship fast. If I let you live, you work the ship, do as I say. And if you're lucky you might make it back home alive." Shih tells them.

"So where are we going to exactly?" The older male asks.

"The shipwreck which holds the lost treasure of Ji-Hun." Kathy says.

—

The stowaways are freed and put to work. Kathy is curious about how the older male knows her so she joins him as works the sails.

"Thanks Kathy." He says as she helps him.

"How do you know me? Who are you?" Kathy questions.

"Dan." Dan tells her. "We've met before."

Kathy lets out a snort. "Uh, no we haven't. I'd remember someone dressed like this." She gestures to his pantomime pirate outfit complete with eye patch and hook.

Dan grumbles fondly. "That's Yaz's fault. She said it would look good on me."

Kathy looks up from what she was doing. "Yaz?! Yazmin Khan?"

"That's her."

"You know her?" He must be a companion or something.

"The Doctor too and you. Though, you did say you wouldn't know me. Something about not having watched this far."

Kathy relaxes a bit. While it's nerve wracking to think of all these new companions that she won't know, at least this one already knows her and understands she won't know the future exactly.

"Yeah, kind of ended up in this world before you joined the TARDIS team…" She tells him then a memory comes to her. "Hold on! I know were introduced were introduce at the end of the credits of Revolution of the Daleks!" New Year's Day 2021. She had travelled to this world in May.

"Daleks?"

"Never mind. You'll probably learn who they are soon enough." Kathy dismisses. Though, now that she thinks about it, Bill only met them at the very end when Twelve meets his first self before he regenerates. "Come on, put your back into it." She turns to him with her hand out. "By the way, Katherine Davis but call me Kathy. Nice to meet you."

Dan grins and grips her hand briefly. "Dan Lewis, nice to re-meet you."

—

It takes a lot of work with only a four person crew, though much easier than when it was just her and Shih, so Kathy is able to take a break and turn back to questioning Dan as she realises she needs more information on this specific adventure.

"How did you get here anyway?" She asks him.

"We've been aiming for a beach but turned up four centuries off the Doctor says." Dan explains. "Geomagnetic disturbance or something pulled the TARDIS off course. Skimmed some stones which veered off to the right for some reason."

"Kinetic hyper curve?" Kathy questions.

Dan nods. "That's what the Doctor said. Heard screams and found a Sea Devil the Doctor called it? Looked somewhat like a humanoid turtle thing. Beak-like mouth and two fins on its head. Webbed hands and feet. Heard of them?"

Kathy has a faint recollection of similar creatures from one of the classic episodes that she had watched. "A bit. They were here before humans. They regard Earth as their own planet. Don't think much of humanity."

"I can tell! It murdered a whole village!" Dan exclaims. "Your friend over there had released it. And it killed that boy's father." He gestures to the young boy who'd joined him when sneaking onto the ship.

Kathy narrows her eyes at Shih as she mans the wheel. "Well, she hadn't mentioned that!"

"Bet she hasn't! Then the Sea Devil flew onto a floating ship in the sky!"

"Why aren't you with Yaz and the Doctor? Didn't they tell you about the golden rule of not wondering off?" Kathy finds it funny how without fail, the Doctor always has companions who don't listen to them.

"It's not my fault! He ran off." Dan defends.

"Oi!" The boy exclaims causing the both of them to turn and look at him. Kathy takes in his indignant look and tries not to smile at how funny it looks. "He has a name. It's Ying Ki. And I'm not a boy, I'm a man."

"Get back to work!" Shih orders. Ki bows his head and continues though looks displeased. Dan and Kathy share an amused look.

—

Kathy is back at her navigation station when she sees that Ching Shih's compass is going crazy.

She shows Shih, who asks, "How can it be broken?"

"What's the problem?" Dan asks. Shih and Kathy walk down to where Dan is at the mast and Kathy shows him the compass.

"None of our equipment works. We have to go by celestial navigation." Kathy explains. They all move to the side of the ship and stare at the sky.

"Ursa Minor. Polaris." Shih observes.

"I always thought that I'd learn the constellations, but then I just downloaded an app on me phone. But I haven't got me phone with me." Dan remarks. Kathy gives a warning look, trying to tell him to keep his 21st century talk to himself. Though as a man he'll probably be fine.

"I don't understand half the words you say." Shih tells him.

"You're not the first to say that."

"Well, I know the constellations." Kathy interrupts. "Menkar's there, which would mean..." Then the stars swirl.

"Did you see? The stars just moved." Ki observes.

"Yeah." Dan murmurs.

"The world is being disrupted." Kathy observes in shock. She really doesn't like not knowing the whys and hows.

Ki turns accusingly to Shih. "Because of you! Because of what you unleashed."

Shih ignores him. "We have to get to this place. Nothing is more important than getting our hands on that treasure." She walks away from them. Kathy can see Dan and Ki are confused.

"Why is it so important to you?" Dan questions as they all follow her.

Shih holds out an ear in a box. Dan and Ki go to look and recoil in shock. Kathy doesn't look as she has already seen it and would rather not see it again.

"Is that yours?" Ki asks then takes in Kathy and Dan's incredulous expressions. "What?"

"She's got both." Dan points out.

"You want to know why I'm on this ship with just Kathy?" Shih asks Dan and Ki with her back to them. "My crew were taken. They're being held hostage by Guo Podai and the Black Flag Fleet. There's a ransom to pay or they all die." She turns to look at Ki. "You lost your father." She turns away again and Kathy knows she's likely holding back tears. "I could lose my sons."

Dan and Ki are quiet and looking sorrowful.

"How old are the boys?" Dan asks softly.

"Three and six." Shih replies. She turns back to them. "I promised I'd return with the treasure as release payment. The longer I take, the less likely I am to see them again."

Suddenly there's a crash accompanied by a roar and waves rising and crashing around them causing the boat to rock violently. Kathy yelps in surprise. She really wishes she knew that was coming.

"What was that?" Dan whispers quietly just before there's another roar and another crash, causing them all to almost lose their footing.

"It's the sound of Hua-Shen." Ki realises. More roaring and crashing of waves.

"Hua-Shen doesn't exist. It's a myth!" Shih argues almost being cut off by more roaring.

"If it doesn't exist, what's that?" Ki questions. In the distance, large fins are seen coming out of the water as it gets closer to them.

"Man the cannons." Shih orders.

They prepare the canons and the four of them stand at one each, facing the Hua-Shen with flames in their hands ready to light them. The giant sail fins on the sea serpent's back dip back below the waves.

"It's coming straight for us." Kathy observes.

"Now!" Shih cries.

Fuses lit, and four cannon balls fly off and into the water. There is silence and the four of them look at each other as they wait in silence. Suddenly there's a roar.

"What was that?" Dan asks.

Before any of them can answer him, the cannon balls fly up out of the sea.

"Down!" Shih yells. They all suck, waiting for impact but instead, the cannon balls impact in the air with an explosion. Neat trick for four lumps of metal.

They recover from that when Kathy feels the ship shaking again and a great spurt of water rises next to them.

"What's going on?" Dan asks.

"Something just came out of the water!" Ki realises.

What then comes through the water and the clouds, gliding through the air is what Kathy can only describe as the flying Dutchman, the Chinese version. The bottom of the ship is littered with machinery lit up in green. Kathy realises that must be how it floats.

"What?" Kathy blurts out.

"That's impossible." Shih murmurs.

Kathy hears two very familiar voices yell, "Geronimo!" as the ship comes right alongside Shih's ship. Kathy watches with a smile as she watches the Doctor and Yaz swing onto the deck. The Doctor is wearing location-appropriate clothing apart from the boots. Yaz is in similar dress.

"Doctor! Yaz!" She cries happily. The two women turn to her with beaming smiles.

"Is that your ship?" Ki asks in amazement.

"No," the Doctor replies, "but this is our friend."

An unknown man wearing clothing that does not fit in the time period, but is better than Dan (anything is), lands on the deck with calm ease.

"Nice entrance." Yaz compliments.

"Thank you." He speaks.

"Ji-Hun." The Doctor introduces. "Rumours of his death have been greatly exaggerated."

"What?" Shih utters. Kathy gapes at him in shock.

"You call this a ship? Where's the crew?" Ji-Hun demands to know.

"Well, that'll be us," Dan says cheerfully as he and Ki come to stand more in line with Kathy and Shih. Kathy winces in embarrassment at Ji-Hun's unimpressed expression.

"We don't stand a chance." Ji-Hun tells the Doctor. Kathy pouts at his remark. No need to say it with such certainty!

The Doctor looks affronted at his declaration and comes to stand by Kathy and Dan. "Oi, that's Dan and Kathy. Don't diss Dan and Kathy. They're my mates."

"Yeah." Dan adds. Kathy raises an eyebrow at Ji-Hun.

Shih ignores them and circles Ji-Hun in disbelief. "You can't be alive. That's not possible."

"I agree." Ji-Hun says.

"Focus now." The Doctor interrupts and storms over to Shih. "Where do you keep your treasure? Because that statue creature you released is looking for a keystone that was in the treasure of the Flor de la Mar, and their pet sea monster seems to reckon it's on this ship."

"What does it look like?" Kathy questions. She wishes she knew this information.

"Tiny orange jewel. Can glow unexpectedly." Ji-Hun explains. Kathy frowns. She hadn't seen any jewel like that.

"Any ideas?" The Doctor asks.

"I have." A Sea Devil emerges from a green mist next to Ki. He grabs him and puts his glowing sword to his throat. Kathy, Ji-Hun and Shih draw their weapons. Dan, Yaz and the Doctor spin around and back up.

"Take off the keystone." It orders. Kathy notices something glowing orange beneath Ki's shirt.

"It's nothing." Ki begs. "It belonged to my mother. She got it from her grandfather. It goes all the way back to the great Lei Bao."

"Lei Bao?" Ji-Hun murmurs. "He made it to land, and you're his descendant."

"Your family's oath across the centuries. It wasn't just a statue. It was hiding the keystone!" Shih concludes. Ki lifts up the keystone that sits on a chain around his neck.

"That's why the Sea Devil was a statue." Kathy realises. "It had been imprisoned in its quest to get the keystone."

"You had followed Lei Bao after imprisoning Ji-Hun." The Doctor says to the Sea Devil. How had the Sea Devils keep him alive for over 200 years though?

"I was tricked." The Sea Devil says.

"You were defeated." Ji-Hun retorts. "The legend of the keystone told it could be used to entomb aggressors."

"No wonder that gem's so valuable." The Doctor continues. "Oh. But wait, if that's plutonic crystal, and your systems below the ocean are fluo-geomagnetic..."

"Your world is now doomed." It grabs the keystone. "The keystone is mine!" It disappears with it in a puff of green smoke.

"If that ship goes back down without us on it, we don't stand a chance." The Doctor tells them. "With me."

They all follow, swinging onto Ji-Hun's ship which still floats next to Shih's.

—

Kathy and the Doctor go below deck and find the Sea Devil fiddling with machinery.

"We know what you're doing." The Doctor says, drawing its attention to them. "You're trying to flip the Earth's geomagnetic poles south to north, north to south, longitude to latitude."

"That's why even the stars feel like they're moving." Kathy adds confidently, pleased she now knows what's going on. "You want to create chaos - melt the ice, shift the current, change the pressure - until the whole Earth is flooded."

"We're reclaiming what was ours." The Sea Devil says. "It is our right and it is our time. It's done, Doctor and Land Crawler."

Kathy frowns. The confidence she was feeling is gone. "What do you mean, it's done?" The machinery is beeping.

"The plutonic crystal has been sent down." The Sea Devil explains. "The sequence will begin. Our Earth will be gloriously aqua once more."

"No, no, no, no!" The Doctor exclaims as the two of them dart over to the machinery to see that it is right.

"And my kin are ascending to reclaim this ship."

Kathy looks at it in alarm. "Well, not on our watch!"

—

She and the Doctor run on deck as Sea Devils climb up rope netting on the side of the vessel.

"It's coming after us. Be ready." The Doctor warns the others on the deck. She turns to run up some steps and comes face to face with the Chief Sea Devil from below.

"You can't get away from me, Doctor and Land Crawler." It growls.

"Again, not on our watch!" Kathy retorts.

"Say hello to our crew." The Doctor adds. She turns to Shih, Ji-Hun, Ki, Dan and Yaz looking up at them with varying expressions. "Go."

The Doctor draws a sword and begins battling with the Chief while Kathy turned around and engaged with another Sea Devil with her own sword. She can see Yaz, Ji-Hun and Shih engage with other Sea Devils. The Sea Devils fight back with their own glowing blue swords.

Kathy sees the Doctor get knocked down by the Chief and quickly shoves to give the Doctor a chance to recover before turning back to the Sea Devil she had been fighting.

"Don't let the swords touch your skin!" The Doctor yells.

"Really?!" Kathy retorts sarcastically. "Thanks for the tip!"

"No need to be rude." The Doctor fires back.

Kathy glances over after defeating a couple of Sea Devils to see Dan take out Sea Devil with a block and tackles it. Kathy can't help but feel mildly impressed.

"Argh!" Ki cries. Kathy spins round to see a Sea Devil coming for him, but, thankfully, Shih sticks out her sword in time.

All of them have mostly disarmed the Sea Devils and turn their attention to the Doctor, who is being backed into the corner by the Chief. However, she disarms the Chief Sea Devil with her sonic and slides away. She tries to grab the sword, which had landed elsewhere on deck but a Sea Devil grabs her leg and drags her away from it. Kathy quickly kicks it to her and the Doctor grabs it, now free of the Sea Devil, who lies on the floor.

"I'm lowering the ship. Hold him there!" The Doctor tells them, she turns away from them and before any of them can say a word, Ji-Hun kills the Chief Sea Devil by driving his sword through it. The Doctor stops and stares at him in disbelief.

"You didn't have to kill him!" Kathy yells at him. She now notices she can't see Dan or Yaz and wonders where they have disappeared to.

"It took my ship, my crew and my life. No mercy." Ji-Hun harshly retorts. She quietens as she knows she shouldn't judge as she doesn't really know what he's been through.

There's aurora in the skies. "It's starting." The Doctor murmurs.

Kathy runs down below deck to the machinery with the Doctor and sees Dan and Yaz.

"Ah, there you guys are!" She says cheerfully as the Doctor charges forward, pushing her two companions out of the way. Kathy's smile dims a bit when she sees how serious Dan and Yaz are. She wishes that she has the knowledge to work out what's going on.

"Hold tight." The Doctor warns them and the ship shakes as it returns to the depths and arrives with a thud causing the four in the room to fall to the floor.

"I think that'll have alerted all our friend's Sea Devil acolytes." The Doctor comments. "Dan, I need you to supervise Ji-Hun and Ching Shih. I need you to keep those Sea Devils at bay." She gets up and hands him a Sea Devil sword. "Only to be used in emergencies."

"What, like the imminent flooding of the entire planet?" Dan remarks.

"Yeah, like that." Kathy says with a slight smile as she pulls herself up. She likes that he has some humour in these situations.

"Yaz, Kathy, with me." The Doctor orders. Kathy takes notice of how the Doctor holds out her hand to Yaz, who takes it and it feels much more than the usual hand grabbing between the Doctor and their companions. Is there something between them? Kathy knows that everyone in her world had been speculating and all that and, to be honest, she herself was amongst them.

The Doctor pulls Yaz up and the three of them leave the room but not before Kathy catches a significant shared look between Dan and Yaz.

—

They run through the Sea Devil base. Kathy is following the other two women as she's never been in this place before.

"Control core's this way." The Doctor calls to them.

They reach them that's shaking with lots of sparks flying.

"This is going to be tricky." Kathy observes. They get to work.

"Defractor rod. Two minutes and counting." Yaz tells them as she secured said rid.

"Great, love when we have barely anytime." Kathy retorts sarcastically as she and the Doctor dart about.

The Doctor grins as she turns to Kathy before turning serious. "We need to short-circuit the power and internalise the charge. If we localise the power this base becomes the densest place on Earth."

"But that means not only will the Sea Devils not be able to leave but everyone else too." Kathy warns her.

"We'll be able to get out first though, right?" Yaz asks.

"Yeah. Hopefully. Probably. Definitely." The Doctor replies quickly. Kathy looks at her suspiciously, knowing this will probably be another self-sacrifice moment. A Doctor speciality. Yaz doesn't particularly look reassured herself.

Kathy shakes it off and gets back to work. "One of those. Just need to get this done."

"You know what I said earlier about not being a bad date?" The Doctor suddenly asks. Kathy's head whips around and sees the Doctor casting awkward glances at Yaz. Oh. Yeah, there definitely is something going on and Kathy definitely is third wheeling.

"Well, dates are not something I really do, you know." The Doctor continues. Kathy tries to act like she's not listening but she can only do so much. "I mean, I used to. Have done. And if I was going to, believe me, it'd be with you." The Doctor pauses in her faffing about and looks directly at Yaz. "I think you're one of the greatest people I've ever known. Including my wife."

"Your what?" Yaz questions in disbelief as the Doctor darts past her. She looks to Kathy for answers but Kathy looks away. How do you talk about the Doctor's past relationships with their current interest?

"Ah. Wasn't going to mention that. It was a long time ago. I was a different man back then." The Doctor replies.

"Literally." Kathy mutters.

"But the point is, if it was going to be anyone, it'd be you. But I can't." The Doctor explains.

"Why not?" Yaz asks tearfully.

"Because at some point time always runs out." Kathy frowns. She knows that the companions in the Doctor's life are fleeting and they can never take the chance otherwise they'd be hurt but Kathy can't help but feel that the Doctor is talking about something neither her nor Yaz know about.

Kathy sees the Doctor leaning forward to pull a switch where Kathy had been working. "Wait Doc—"

The Doctor does it and sparks fly. "Argh! Whoops! I just lessened the time. Fifty seconds!"

"Brilliant!" Kathy mutters.

"What?!" Yaz exclaims.

The Doctor puts two thick wires together that Kathy knows won't stay together unless someone stays down here.

"We need to get back to the TARDIS, but this cable needs to hold." The Doctor realises. "Kathy, Yaz, you have to go. Get the others out. I'll keep this in place."

Kathy looks at her in alarm. "Uh, no! I won't let you!"

"Kathy—"

Suddenly the wires are also being gripped by someone else and they turn to see Ji-Hun. "No, you go. I'll hold." He tells them.

"I can't ask you to do that." The Doctor says. This is what Kathy hates about the Doctor's self-sacrifice moments, someone else taking their place and dying to save everyone else.

"The world out there isn't mine, but if I can help preserve it for others, all those centuries will not have been for nothing." Ji-Hun argues.

"You truly are a legend, Ji-Hun." Kathy says to him softly.

"And you need to run."

Kathy nods and she, the Doctor and Yaz run from the room, not looking back.

—

Kathy sags in relief at the sight of the TARDIS as well as Shih and Ki stepping inside with a heavy chest, must be the Flor de la Mar treasure. Thank God.

"You got it back the right way up! Nice work." The Doctor greets them and Dan, leaping over the chest as it's put down. "Out of the way! If we don't get us out now..."

"Three seconds." Yaz says.

"...the magnetism will drag the TARDIS down."

The Doctor and Kathy immediately get to work.

"Two seconds."

The TARDIS dematerialises just in time as Kathy feels the forces begin to drag them down.

—

They land on Ching Shih's ship. Kathy steps out just in time to see the ripple effects of the force of what they had done by watching the waves react.

Everyone gathers on the deck and Shih begins checking her booty in the chest.

"Enough to get your crew back?" Kathy asks curiously looking at the extensive pile. She feels like her first adventure going in blind worked out quite well.

"Enough." Shih replies. "I solved the mystery of Ji-Hun and found the lost treasure of the Flor de la Mar. What do I even tell my crew?"

"That you vanquished mythical creatures to bring them home." The Doctor answers.

"No one will ever believe me."

"That's what makes a good legend." The Doctor assures her. She turns to Ki. "We should get you back to your village."

"Yeah." His tone suggests he's not looking forward to it.

"No. He's my responsibility." Shih argues, standing. "I'm sorry for what happened to your father, but you could find a home here as part of my crew."

"Really?" Ki asks happily and he hugs her. Kathy stands amusedly as Shih stays as stiff as a post.

"Don't ever do that again." Shih hisses at him.

Ki shifts awkwardly and embarrassedly. "Yes. No. Sorry."

"Who are you?" Shih asks the TARDIS crew. "Where do you even come from?"

The Doctor shrugs. "We're just a crew from a ship looking for adventure. And often finding it. Right?"

"Aye aye, Captain." Dan utters.

"Where will you go now?" Kathy asks with a smile.

"Good question." The Doctor murmurs.

"You do keep promising us a beach." Yaz says. Kathy watches the soft smile shared between them and smiles herself.

"Kathy? Do you want to come?" Dan asks, drawing her attention.

Kathy shakes her head. "Sorry, I think I'll stay here. I made a promise to Ching Shih that I'd help her get her crew back. Plus, I've got to get back to Carlyle and Ashildr."

"You are welcome to stay on afterwards." Shih assures her.

Kathy grins happily. "Alright." Why not stay with some pirates a bit longer?

"Well, you're sorted then." The Doctor says.

"Seems so. Till the next time Doctor." Kathy says with a smile.

"Till the next time."

Kathy shares hugs with the TARDIS crew before they step inside and fly off to their next adventure. She wishes she had an idea of what that could be.

—

A/N: I was really unsure of how to introduce Kathy into this episode as it's such a new episode that I'm not as familiar with it as I am with the others and it's the first episode I've written where Kathy doesn't know what's going on, but it feels like I've worked it out. I wanted to put her with Dan as he is the first companion that Kathy doesn't know as she already knows Thirteen and Yaz, who I felt deserved the alone time that they got in the actual episode.

I know a lot of people weren't happy with this episode but looking back at it, I feel like it was still a good episode but may have worked better in the middle of a 10 to 13 episode long season and not a stand alone special but it seems Covid kind of messed up the 13th season a lot.