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“Are you Sliders?” Archer asked. “Yes”, Logan said.
“Have you travelled with the Doctor?”
“The Doctor? Who?” Logan asked. “Oh the Doctor!” Lassar said “Oh, yes we have. I was one of his companions for quite some time”, lying through his teeth.

This is the crossover fanfic in my fan-series featuring Rose from Doctor Who (the new BBC tv series) – and a new Sliders team.


Story (C) 2007-2015 Mr SciRev

For the Dr Who Timeline Related to this Fanfic, or to read what happened just before this fanfic, please see WhoSliders 26. It occurs during the 4th series of the new Dr Who
SPOILER: the Key to Time arc (season 16 of Doctor Who’s classic series), X-Files: Ghost In The Machine (season 1)

What you need to know:
What if you could go to different earths? Same planet, different dimension and universe. Rose Tyler has found the gateway.

The Doctor is currently travelling with Donna. He is on a crusade to champion the cause of the innocent, the helpless and the powerless throughout the whole multiverse of multiple universes. He has lost Rose to Earth-776. Interdimensional travel seems impossible so he can never meet her again.
Rose Tyler has formed a Torchwood team of Who-Sliders – Computer specialist and expert Jade Wells, Quantum Physicists Professor Arthur Maximillian and Conn Mallory, Captain Jack Harkness (of Earth-777), Max Evans and his girlfriend and Medic Liz Parker – all from Earth-776. Together they slide from parallel earth to parallel earth, trying to find Earth-777, where the Doctor is located… but for the time being they have been entrusted with a special mission to locate the six segments of the Key To Time, once located by the Doctor himself, or the Multiverse will be at risk from the Black Guardian.
Lassar, a bloodthirsty Krillitane alien, is leading the Black Guardian’s Sliding team. The team includes Logan St Claire (a Quinn duplicate from an alternate reality), Suzie Costello (used to be second in command of Torchwood on earth-777, died a number of times too), Bilis Manger (the team’s historian) and the “Editor” (expert on transmat and technology).

The Doctor is a Time Lord – a time-traveller from the alien world called Gallifrey [Universe-777, the Stargate Universe] who travels in space and time thanks to his TARDIS which looks like a police box, bigger inside than outside. When the Doctor is severely injured or even killed, he will regenerate into a new appearance and body. He is currently in his tenth incarnation (9th regeneration). He is the survivor of the Time War which saw his homeworld Gallifrey destroyed completely.

The original who-Sliders, after having managed to travel back to Earth-001, have kept experimenting with dimensional travel. Years have passed since the Sliders returned. They are no longer able to slide as a result of the latest Time War and have lost contact with the Doctor.

The Federation in Universe-001 has developed starships capable of sliding. Parships can Slide across parallel universes using ParTravel, based on Sliding technology. Captain Jefferson Archer of the Federation Parship U.S.S. Enterprise is himself from Earth-002 however which has disappeared from existence. The Federation exists at least 200 years in the future. The original WhoSliders’ timer was given to them by Archer. Professor Justine Robson is the Science Officer on the Enterprise. “

Earth-501 (Trust No One Earth), 21st Century

Max and Liz were trapped under a pile of rubble. They came to their senses. Someone had started removing the rubble. “Oh it’s Max Evans!” he said.

In another room, Logan St Claire was about to fire her weapon at Rose and Conn when a shimmering light appeared at once. A group of figures had materialised in the room. Rose and Conn took advantage of the confusion to get to a safe distance. Logan shouted “who the hell are you”, while Archer introduced himself with his name, but did not mention the Federation or the future. Lassar was quite confused.
“Are you Sliders?” Archer asked. “Yes”, Logan said.
“Have you travelled with the Doctor?”
“The Doctor? Who?” Logan asked. “Oh the Doctor!” Lassar said “Oh, yes we have. I was one of his companions for quite some time”, lying through his teeth.
“No they haven’t. I have. We are the good guys. I’m Rose Tyler and I have travelled with the Doctor for quite some time before I ended up stranded on a parallel universe. I found a way to slide offworld safely.”
Lassar said “Don’t believe her, Archer. She’s an enemy of the Doctor himself.”
Archer was not sure who was telling the truth now. Thankfully, Justine suggested testing for artron energy. It was clear that Rose had the major amount of this energy, while Lassar and Logan had close to nothing. So Rose was telling the complete truth. And Logan and Lassar were liars, armed, and dangerous!
By now, Logan and Lassar were sure that they had been discovered. So Logan fired at Justine, who fell to the ground, severely wounded. “Justine!” Archer shouted out her name. Logan was ready to fire her firearm towards Archer too, but he had expected this, so he swiftly fired his phaser set on a stun setting at the evil couple, knocking both of them out for a while.

Meanwhile, Max and Liz asked their saviour who he was. “Oh I didn’t introduce myself. I’m the Doctor!”
He had curly brown hair and appeared a bit eccentric, though not that much. He didn’t wear a scarf, for one thing.
Max told the Doctor about the others. “I know, let’s go find them”
Soon Max, Liz and the 8th Doctor met Archer, Conn and Rose. Justine was still there lying on the ground, and Max bent down, putting his hand on her. A power emerged from him, healing her immediately. The form of his hand was left on her for the time being until it would fade.

Rose looked at the Doctor. “Did you regenerate again?” she hugged him tightly…
“Not lately. Do I know you?”
“Oh…” Rose remained speechless.
Captain Jack entered the room Archer and the others were in. “Hello guys! Seems you have been having some fun without me!” Jack said to Rose and the others.
“Doctor! You’ve changed again”
“I think I must have met you out of my proper timeline sequence. I guess I will soon start meeting my future companions out of sequence!”

Jade was dying in a room being removed of its oxygen. It was adjacent to the room the others were in. Suddenly an injured Professor Maximillian opened the door, so oxygen reentered the room. The Professor did his best to try to get her out of the room quickly.
The Professor left a trail of blood as he walked carrying Jade. Soon he met Max and the others.
“Help me” he said, before fainting.
Max had to quickly heal both Maximillian and Jade, or they would die.
Rose checked and noticed the segment she was seeking was in this room. It was the CPU of the central computer – known as the COS or Central Operating System – controlling the Tahwid building they were in. Before they could get this computer system open and remove the CPU, Charles Del Montiere entered the room, having heard all the noise they had made.

“Who are you people?” he asked before calling for security.
“Just guests” Rose said while she grabbed the CPU. “You’ve got quite the death zone in this building of yours.”
“It was necessary. I had to get Drake out of the way. He wanted to stop the production of Retcon. Crazy Eddie Nambulous was a credible scapegoat. You will die for your interference now.” Del Montiere aimed a gun at the group.
Using her smartphone Rose managed to change the CPU into its real crystal form, the third segment of the Key to Time. “What have you done? That was a very expensive CPU!”
Suddenly, a man entered the room and knocked Del Montiere out with a strong punch. “Hey Doctor, I just got here in time it seems”
“Hi Fitz! These are Captain Archer and Justine Robson of the ParShip Enterprise, who I had met a few regenerations ago, and some other folks I haven’t met yet! Guys this is Fitz Kreiner.”
“Doctor, besides finding the parts to the Key to Time for the White Guardian, I’m on a quest with my Sliders to find your current incarnation” Rose explained.
“I’m sure you will succeed. Don’t tell me anything further because it might have some effect on my timeline.”
“Doctor. ….” Rose was about to tell him about his homeworld, Gallifrey. But he wouldn’t want.
So she said nothing. “I can see a sadness in your eyes. But it’s best you don’t tell me. Wouldn’t want to destabilise my timeline” the Doctor smiled at Rose.
“Ok. It’s time for us to leave, I guess” Rose said.
“This guy, Del Montiere, should really face justice, otherwise Nambulous will go to prison or face a death sentence. Do they have the death sentence on this Earth?” Jade was worried for Eddie.
“We will send an audio recording of Del Montiere confessing, we will post it everywhere on the Internet” the Doctor said.
“There’s another problem, we haven’t had the time to tell you Doctor” Archer explained. ”

A few hours before

A CCTV camera was zooming on a couple of FBI agents. They were going to talk to Eddie at his house. They rang the bell after commenting on how luxurious it seemed. Eddie had sold off most of his shares in the Tahwid company for a huge sum of money.
Eddie opened the door, and welcomed Agents Mulder and Scully. They had been assigned this investigation after Agent Lamana had been killed. “You know what RISCA means” Eddie asked Mulder and Scully. “Besides Remote Internet System Control Automation, of course, risk means root in Classical Greek. But Ben Drake just didn’t care about our company’s roots. All he cared about was money.”
“Who could have altered the computer system or hacked it?” Mulder asked.
“Well I could have of course, I designed it! But there are many others who could have. Data anarchists and more. As a rule scruffy minds like mine don’t do murder” Eddie said

Hours later after the agents had left, Eddie had been unable to logon to the computer system remotely from his home. After several failed attempts, he went to the Tahwid building, and logged on a terminal on the ground floor. He realised the system has not giving him access and began to show him Captain Jack getting electrocuted, and the others struck by lasers, trapped under rubble, etc. Eddie himself had been filmed by CCTV.
Hours later, Mulder watched the security footage. He thought Eddie was smarter than this. It couldn’t have been him, the way he had looked. Yet Eddie had signed a confession.
So Mulder and Scully went to the building but were not allowed to enter, as the subpoena Mulder had applied for, had been cancelled. Eddie had been arrested just the same, as he had refused to work for the Department of Defense.
But as soon as the audio recording of Del Montiere was released online, it was clear that Eddie was not the culprit. Del Montiere was arrested, taken to justice and Eddie was released.

Aboard the ParShip Enterprise

Rose and the others had beamed up. Rose enjoyed these moments. Being aboard a large spacecraft from the future, in this case one which could travel from parallel universe to another too.
The ParShip could help Rose to find her Doctor. But there was a blind spot and they could not get there directly. But Rose would manage on her own. She decided to use Starfleet technology to send a message to her 10th Doctor. He should be able to receive it in the TARDIS, she hoped.
Meanwhile Captain Archer explained the timeline situation to the 8th Doctor. It was part of a Time War, Tavlar had told him, and various timeline changes had taken place, so he relayed this information to the Doctor.
The Doctor seemed quite worried. “Gallifrey must be informed.” The planet Gallifrey in his timeline, had just recently been restored. He was unaware that Gallifrey had started this Time War.
“Leave it to me. I will let the High Council know. But we must try to fix some of these changes by going to a Nexus of Realities.” the Doctor reassured Captain Archer.
“Where is this Nexus, Doctor?”
“It’s on another parallel earth. Earth-812 or BeretWorld as I call it. Let’s plot a course, after Rose and her sliders leave, since that earth doesn’t have Stargates. I don’t wish that they get involved as it might destabilise the correct timeline even further.”


Rose and her Sliders emerged out of the Stargate. They were faced with several soldiers, who were all ready with their weapons pointed towards them. A quizzed General Hammond standing in the control area asked them “Who are you people?”.
“My name is Rose Tyler. I’m from an alternate earth as are my companions. They are one by one: Max Evans, Liz Parker, Captain Jack Harkness, Conn Mallory, Jade Wells and Professor Arthur Maximillian.” Rose looked at her Sliding applet on her mobile, the next Segment was right in this military complex. “We were given the GDO – Garage Door Opener – signal used by Stargate Command on a parallel earth, so we would be able to use the Stargate. We slide to a different planet and then gate back to earth, every time.”
“Another group of evil sliders is trying to follow us. Please do not allow them to access the Stargate.”
“They will probably materialise inside this compound. They are not all human like us. Please detain them or you will be in danger!”
“Miss Tyler, I don’t know if you are telling the truth of not. But our Earth has been invaded by Kromaggs, we are calling them aliens even though they are descendants of Cro-Magnon man, from another parallel earth,” General Hammond explained. “So our base is wormhole-proof. You don’t have to worry about your evil sliders at all. Allow me to introduce our earth’s SG-1:”
“I’m Colonel Jack O’Neill. After defeating the Goa’ulds, we had to meet the Maggots.
Just our luck. The Kromaggs are just like apes. I call them Big-Heads too. Nice to meet another Jack. Nice name you have there!” Colonel Jack O’Neill looked saddened and said “I had a son named Tyler once.”
Just then Rose noticed the next member of SG-1. He looked rather Doctorish himself. “You.. You’re not the Doctor, are you?”
“No I’m not a doctor. I’m Rodney McKay, scientific advisor. This situation is plain worrying. I hope my sister in the uk is ok.”
“I’m Henry Jones. But they call me Indiana Jones. I’m the team archeologist. I give advice on the various cultures we encounter”
“I call myself Teal’c. I’m a Jaffa on the side of the Tau’ri, the humans. I will stop at nothing to fight these Kromaggs.” This Tea’c, Rose noted, had no eyepatch like that one they had met earlier on a previous slide.
Rose was about to tell General Hammond their mission – to retrieve the next segment of the Key to Time. But Jack – Captain Jack – made a silent sign to Rose so she would keep silent about this. The other sliders introduced themselves too.
“For now, we will run some medical tests on you, to be sure you are telling the truth and that you are who you claim to be. Then we will discuss your situation and see what we can do to help.” General Hammond smiled at Rose.
“General Hammond, have you met the Doctor? He’s a very special man. He can help you too.”
“No, Miss Tyler. I haven’t had the pleasure of meeting this individual.”
“You don’t know what you’ve been missing, General.”
At this moment, Walter Harriman, in charge of dialing the gate and other specialised communications, told everyone that another invasion was taking place. This one was in Liverpool, England. UNIT – United Nations Intelligence Taskforce – had dispatched troops to stop the invading Kromaggs.
UNIT was not having much success, and the Kromaggs were slaughtering many soldiers.
Rose asked Captain Jack whether he had encountered the Kromaggs before. “They were extinct. Died out completely in the 21st century after they invaded many parallel earths. They shouldn’t even exist anymore! They were supposed to have been wiped out on all the parallel earths.”
“It must have been the Time War again” Rose explained to Captain Jack.
Walter interrupted her, saying a request for help had been received from Brigadier Alistaire Stuart. He had asked for SG-1’s help and intervention. So General Hammond decided to send SG-1 to Liverpool, England.
“Do what you can SG-1, help the Brigadier!”
“I can help you, General! I’ve met and worked with UNIT on two parallel earths…” Rose told the General.
“I can’t see why not. After all we need all the help we can get. You may join SG-1 on this mission, together with your WhoSliders. God speed, SG-1 and WhoSliders”
Max told Rose, almost in a whisper, “What about the segment to the Key to Time? It’s here in the base. We need to find it.”
“Well it won’t be leaving on its own. We have to help SG-1 and UNIT fight the Kromaggs.” she answered.
“I know. But we should at least know what form it has taken here.”
“Good point. Let me try to see where it is, right now before we leave.”
“Do you have an idea already?” Max asked.
Rose answered “Yes. It’s the Stargate itself!”
“Oh no.. how do we get back if we have to take it as a part of the segment?” Jade asked.
“We need to find another Stargate then to replace this one” Conn said.
“Because we don’t, we would be stranded here!” Jade commented.
“We shouldn’t interfere with this war with the Kromaggs”, the professor said.
“Why not help them? What’s wrong with that?” Rose looked at the professor, not so happy with what he had just said. “We can’t not help them”
“We should take the stargate, find another one and leave” Professor Arthur said.
“But finding a working stargate isn’t that easy. We will need Stargate Command’s help, and by helping them with their fight we will probably find it easier to get them not to arrest us after we take their Stargate and convert it into a segment of the Key to Time…” Rose replied.
“So for now, let’s join SG-1. We’ve got a plane to London to catch” Max said.

Brigadier Alistaire Stuart

In Liverpool, England, the battle raged on. UNIT troops were firing heavy weaponry at the Kromaggs, who were firing even at the troops. Man after man died screaming. It was tough and they were losing.
Brigadier Alistaire Stuart ordered for the use of heavy explosives. PE4, the British form of C4 plastic explosive. They launched masses of it towards the Kromagg unit, then detonated via a remote control device. The Kromaggs got blown to bits. Or it looked like that to the soldiers anyway.
Suddenly a blast blew many UNIT soldiers to bits. The Brigadier ordered a retreat. They hadn’t blown up any Kromaggs or anything else. It was all just an illusion.

Once they arrived in London’s Heathrow airport, Rose asked Jack O’Neill whether this earth’s Torchwood had been contacted to help. “What’s Torchwood” was his reply.
This world had no Torchwood. Harriet Jones was still a backbencher, not having met the Doctor. This earth had no Doctor. “So it’s us and UNIT only” Rose sighed.
“It will have to do” Jack said. “We’ve been in many sticky situations and gotten out of them.”
“Like the Manchurian Goa’uld…” Indy said, while they got into a UNIT jeep.
“Oh yes, that was when an ambassador was brainwashed into becoming a Goa’uld assassin” Rodney said.
“Any ideas on how we could stop the Kromagg illusion-projection abilties?” Rose asked. The jeep was being driven by a Private Ross Jenkins wearing a red cap.
“There must be a brain frequency – some low frequency sound – which they are issuing. That effects human brains and makes them see things that are not there. Human perception is altered that way.” Rodney explained. “We must block it. These special earphones can block the low frequences from reaching our ears. I recommend we all wear them. For everyone else there is a sound wave we could send out on loudspeakers to cancel out the existing Kromagg illusion wave. I’ve only thought this up now though, I didn’t get any equipment with me to do this.”
“We will get all the equipment you need from UNIT HQ” Rose said.
“Yes, well let’s try to find the Brigadier now.” Jack said.
The other Jack – Captain Jack – said “he will be on the field, if he’s anything like our Brigadier. Is he related?”
“Yes, he’s his son”, Jack O’Neil replied. “His old man died in Peru’. He was a great hero. Stopped many alien invasions and helped us countless times.”
“Sorry to interrupt. The Kromaggs have Manta spaceships, with firing lasers.” Indy said.
“Their appearance reminds me of Wibbles, they are kind of wildwolves.” Rose explained.
“You mean Weevils?” Captain Jack said.
“No, Wibbles.”
“They must be alternate versions of Weevils. These creatures are telepathic too but they can’t speak, unlike these Kromaggs” Captain Jack explained.
Quickly the jeep arrived at UNIT headquarters. There they met with the Brigadier, who explained on what had just happened. He and another soldier – a Captain Bates – had been the sole survivor of the troops who had attempted to fight the Kromaggs.
“Brigadier!” Rose shouted.
“Yes, my dear?”
“Do you have a scientific advisor? Or had one who was.. out of this world?”
“Well we had one, but we could not contact him lately.”
“Really? Who was he?”
“His name’s Rip. Rip Hunter.”
“You sound quite disappointed.”
“She was expecting your advisor to be a friend of ours, the Doctor.”
“Sorry, never heard of him! Must be a good chap.”
“Time is rushing, we must get on with it. I need to build a special device which will help us fight the Kromaggs. At least we have to try it.. test it.. then if it’s successfully you should be ready to build lots of them everywhere. Before they take over Britain and then, the rest of the world.” Rodney explained.
“Let’s go down to liverpool guys!” Jade said.


So they boarded three jeeps, going to the same part of Liverpool which had been attacked by the Kromaggs. The first jeep contained Indy, Rodney, Max and Captain Jack – Indy was driving it himself and Rodney was carrying the device. Captain Jack, Max and Rodney carried some zat-guns – weapons originally used by the Goa’uld which could stun, kill (if used a second time) or potentially disintegrate a victim.
The second jeep was driven by Captain Bates, and Jack O’Neill, Liz, Rose and Jade were on this one. Jack had a zat-gun.
A third jeep was driven by Private Ross. On it were the Brigadier (with a zat-gun), Conn, Teal’c (with a staff weapon) and Professor Arthur. Some other jeeps containing other UNIT troops followed them.
The jeeps stopped close to the makeshift Kromagg camp. Some Kromagg troops came out of it, seeing the jeeps arrive.

“It’s time to switch on the device, Rodney!” Captain Jack told Rodney.
“What if it doesn’t work? What will we do? We’re too close to them.” Rodney was looking quite worried.
“We fire our zat-guns and get the hell out of here!” Indy said.
“But what if we think it works and it hasn’t?” Rodney asked.
“Let’s do it, activate it Rodney!” Max said.
Rodney activated the device, sending out low frequency sound waves to hopefully neutralise the mental illusions the Kromaggs might subject them to. Thankfully it seemed like the device did its job well, as the Kromaggs could not use their illusions to confuse the UNIT troops. The Kromaggs fought, even killed a few UNIT soldiers with their pulse weapons, but were overwhelmed by the superiority of the humans, especially with the humans using zat-guns.
The remaining Kromaggs were rounded up and taken to UNIT hq for safekeeping in their prison cells. Elsewhere in the UK the scene soon repeated itself with UNIT winning the battle against the invading menace.

Soon enough, SG-1 and Rose’s WhoSliders returned back to Cheyenne Mountain in the US. Rose asked Jack whether SG-1 had another Stargate. He said, yes, we have the one from Antarctica.
So Rose got out her mobile and converted the Stargate in Cheyenne Mountain into the fourth segment of the Key to Time. This shocked SG-1 and the other personnel on the base, including of course, General Hammond, who was about to faint. “What on earth have you done with our Stargate, miss?” he shouted at her.
“It was part of the Key to Time. It is needed by the White Guardian. You have another Stargate, you can start to use that one instead.” Rose answered.
“Well there is a problem. The Antarctica Stargate was made of a different alien technology. We don’t know how to use it. This may not be what had planned.
You are going to be stranded here I think”, General Hammond replied.


Continued in the next Fanfic Who Sliders 28 “KEYQUEST 6”: “Getting Out of Hand”
Meanwhile you will one day be able to read the 8th Doctor’s fight against the Kromaggs on a parallel world which is a Nexus of all Realities in the fanfic BeretWorld.

All Marks are owned by their owners.

Doctor Who, Rose Tyler, Torchwood, Captain Jack, Martha, Retcon, Captain Jack, UNIT, Ross Jenkins, the Black and the White Guardian are the BBC’s
The Sliders, the Kromaggs are Fox/Universal/Sci-Fi Channel’s
The Tok’ra, the Ancients, the Replicators, Anubis, the Goa’uld, naquadha, Commander Caldwell, Stargate Atlantis and Stargate SG-1 (including Sam) are the property of Stargate (II) Productions, Showtime/Viacom, MGM/UA.
Liz Parker, Max Evans are Jason Katims Productions and The WB
Rip Hunter is DC Comic’s.
Brigadier Alistaire Stewart is Marvel’s (from Excalibur)
Benjamin Drake, Mulder and Scully are Chris Carter’s and Fox Television’s
Crazy Eddy or Eddy is (FirstWave’s)
Indiana Jones is Walt Disney’s.
Charles Del Montiere is mine!
Captain Jefferson Archer is mine (parody character after all) because I made him up
Professor Justine Robson and Tavlar are invented characters of mine

This fanfic is for entertainment purposes only and no money exchanged hands.
No copyright infringement is intended.
The original characters, situations and story are the property of the author.
This story may not be posted or printed elsewhere without the consent of the author.

Part of the changes Tavlar had mentioned, started from CRISIS ON INFINITE EARTHS in DC Comics. But it was not just that. Gallifrey’s destruction – indeed the Time War – had to do with the rest of the changes too.