At the end of ‘Post Traumatic Slide Syndrome’, there’s a tussle between the two Professor Arturos – the original one from Earth Prime and the local double. One of them slides and the other doesn’t. However, it’s never made clear which one slid. Which one was it? Was it the original or the local double?

  • I always wondered about this, because I never got to see the second half in order. – Mark Rogers Apr 12 '14 at 15:02

It was the original Professor from Earth Prime.

The production order for the episodes for Season 2 of ‘Sliders’ shows that ‘Post Traumatic Slide Syndrome’ was the 10th episode of the season. The 11th episode – the one immediately following ‘PTSS’ – was ‘In Dino Veritas’. Their production numbers confirm this:

Why do I mention this? Because this shows that the events in ‘In Dino Veritas’ happened after the events of ‘Post Traumatic Slide Syndrome’. Therefore, the Professor who lands on Dinosaur World is post-‘Post Traumatic Slide Syndrome’ –the Professor who left Earth Double Prime is the Professor on Dinosaur World.

And, in this episode, our sliders are all wearing truth collars. The episode starts with them on a world where these lie-detecting collars are compulsory, they’re wearing the collars when they slide to Dinosaur World, and they’re stuck with the collars for a great deal of the episode.

Therefore, we can look to what Professor Arturo says while he’s wearing the truth collar to determine the... umm... truth of the matter.

Some of the Professor’s lines in this episode include:

On our earth, man and dinosaur lived millions of years apart. [To Wade.]

In the world where we come from, dinosaurs are long extinct, and this area here is the great city of San Francisco. [To the holographic scientist.]

We have certainly seen the best and worst of each other. [To Wade.]

First up, let’s note “On our Earth” and “On the world we come from”. Singular “Earth”, singular “world”. Arturo is saying that all the sliders come from a single Earth, a single world. In other words: he comes from the same Earth, the same world, as the other sliders. If he was the Professor from Earth Double Prime, he would have been forced by the truth collar to say “Our Earths” and “on the worlds” – plural. The truth collar didn’t react; ergo, he’s telling the truth when he implies they all come from the same single world. And, he’s not just talking about the previous world they came from: he’s talking about “our Earth”. The Earth they all share; their home Earth.

Second, that comment that “We have seen the best and worst of each other.” is quite telling. If he’s the replacement Arturo, he can’t have seen the best and worst of the other sliders, nor can they have seen the best or worst of him. To have seen the best and worst of each other, this Arturo must have been sliding with them for a while – before their recent visit to Earth Double Prime. Again, the truth collar doesn’t correct him on this statement.

I know that Tracy Tormé has said in an interview that “I believe the wrong Arturo slid”, but that’s just one of many ideas which didn’t make it on to the screen: witness the other discussions about a five-episode story arc involving Ryan (from Lottery World), and the return of Bennish in the fifth season, and Quinn and Colin Mallory appearing for the first half of the fifth season – all ideas which didn’t make it to the screen. That interview covered a lot of “maybes” and “if onlys”. But, if it’s not on-screen, it’s not canon.

These comments by Professor Arturo in ‘In Dino Veritas’, told under the restrictions of a truth collar that doesn’t permit lies, prove that this is their original and beloved Arturo from Earth Prime, the one who’s been with them all along.

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  • One of my favorite parts of that episode is when Professor tells Wade that he is so certain that Quinn is alive, "he can feel it in his bones." The truth collar doesn't react to such a statement, though it did so when Rembrandt said the same thing. That's a figure of speech, but how is it true? Yet, the truth collar let it slide. Perhaps in the same way, the Professor's comments were allowed to slide. – Ham Sandwich Nov 29 '15 at 2:21
  • This answer is indeed a factual hypothesis. However, there is one gigantic flaw. They are only referencing two episodes that don't have any direct correlation. If they do. They should cite more than two episodes to demonstrate the link. I admit that I haven't gone through all of season two as of late, however, there have been circumstances that are reminiscent of Quantum Leap in where he does randomly revisit precise timelines or there are several random encounters that aren't touched upon at the beginning of the episode. – user62649 Feb 29 '16 at 17:29
  • @T-1000'sSon - I think it would be a pretty limited truth collar that couldn't parse human speech well enough to tell deliberate lies from metaphors, slang, and other common figures of speech that communicated (believed) truth - they would be very easy to trick, else. On the other hand, it can be really difficult to tell between factual truth and sincere belief. Might make more sense that one person said they were sure, and were actually deeply sure, and another said they were sure, but had some doubts (even small ones), which read to the collar as deception. – Megha Jun 9 '17 at 20:56
  • @Megha My impression was that the truth collar took everything literally, which is why it shocked Rembrandt. I don't know. I could be wrong. – Ham Sandwich Jun 9 '17 at 21:34
  • @T-1000'sSon - You could be right and it is limited to literal-isms, I think that would be quite limited but maybe it's enough for them. Or it may be inconsistent and let some smaller things slide. I meant to offer a possibility, that's all. – Megha Jun 9 '17 at 21:38

It was the imposter. In the episode Summer of Love Arturo is shown to have some knowledge about football, but in the episode The Guardian Arturo is shown to have no understanding of football and didn’t know what a team was.

Also, in the pilot, when Quinn got home from his first slide he went to Arturo to explain it and named the Einstein-Rosen-Podolski bridge, as if Arturo knew what it was. But in the episode Double Cross, Arturo claimed that he had never talked to anyone about sliding.

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  • Could this just be down to bad writing? He's shown to know about things from the Professor's past also – Valorum Oct 1 '18 at 7:53

I realise Word of God isn't necessarily canon. However, Tracy Tormé has stated his intention that it should be the 'impostor' Arturo.


Completely canon-wise, it appears to have been intentional that the viewer can't tell. The camera does switch away during their final fight, which makes it impossible to fully determine.

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the wrong arturo slid, that's why the right one who got left behind says "oh my god" after the wrong one disappears. really though, the debate is pointless without asking the person who wrote the episode.

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    Welcome to SFF:SE. Can you explain away the factors in the previous answer, which contradict your conclusion? – Politank-Z Mar 15 '16 at 5:50

They are both the wrong Arturo.

Both Arturos arrived from separate slides around the same time, saw the real Arturo enter the home of the wrong Earth, then they all fought, and one remained triumphant, who then imprisoned the real Arturo off-site from the world's Arturo home so they could ensure no one found him imprisoning the other fake Arturo in that dimension's Arturo home - so if someone did come then they would be led astray by another Arturo who also wanted the slider fame.

So finally, when the sliders arrived at that dimension's Arturo home, they found both fake Arturos and couldn't tell the difference, and it didn't matter because they were both fake.

Also, by this time the real Arturo of that world arrived back with the sliders of that world and found the Arturo we have been following in the serialized episodes chained up in one of the lab equipment rooms in the university he works at.

He was then released and the serialized Arturo thought this other Arturo who just returned to his true home world was of the Arturos he fought with in this dimension's Arturo home and so then fought with this Arturo, was victorious, and convinced the other sliders this was not their world, though in fact it was, causing that dimension's sliders to all leave their true home world, with only the real Arturo left behind plus the other Arturo who was defeated on the front lawn after that other Arturo fight before the serialized sliders slid off that dimension's earth. Then another set of sliders came in to that world yet again....

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  • 2
    What are you basing this on? Is this just your own fanfic? – Valorum Mar 29 '18 at 8:37

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