Post Traumatic Slide Syndrome - S2-E8
Plot hole: Since Quinn's double built a sliding system in his basement, our sliders could have used it to reset the timer and go home, just like they intended to do in the episode "Eggheads."
Post Traumatic Slide Syndrome - S2-E8
Continuity mistake: When Wade enters the recording studio to see Rembrandt, we can see him reflected in the window removing his headphones and handing them to an assistant. The camera angle changes and he removes the headphones (again) & puts them down on a stool.
Revealing mistake: The dialogue says they are in San Francisco while they wait for someone to pick them up for day laboring. A few moments later, we see on the top of the building "Vancouver Ice and Cold Storage". They're clearly filming in Vancouver, not in San Francisco. (00:01:25)
Continuity mistake: Quinn finds Natalie and goes over to where she is drinking and conversing with a man seated at a table. Quinn goes over, and in the next shot, she is alone at the table.
Deliberate mistake: Wade and Quinn go to the Top Hat Club. We see a line of people waiting to get in. After they are in the club a while, leave in a taxi, go to the park to meet Rembrandt and Arturo, discuss some things, talk to some passersby, and go back to the Top Hat. We again see a line waiting to get in. It is the same line with the same people in the same place as way earlier. It is a repeated shot of the previous queue from when they went there the first time.
Revelations - S4-E22
Revealing mistake: When the group is fleeing from the cops, there's a shot of the road as they're turning. The camera used has a crack, or piece of debris, on it at the top to the left. The black line doesn't move as the camera pans across the road.
Character mistake: Maggie and Rembrandt go into Alt-Colin's room thinking it's their Colin. But then begin to question when he had time to buy a suitcase, get his stuff monogrammed, and where he would get the money for it. When they find Alt-Colin, he has expensive jewelry on and is acting weird, saying "homie" and hitting on Maggie. And yet they still act like this is their Colin and don't think about it being his double, despite the fact that they constantly talk about and met their doubles.
Continuity mistake: When the Kromagg leader goes to eat an eyeball, he stabs his fork into a green eye. In the next shot when he lifts it up, the eye is now blue.
Plot hole: The length of time the vortex stays open varies throughout the show and seems based on when the writers want it to close. In several episodes the vortex is said to stay open for 60 seconds. Sometimes the group goes through immediately (to avoid danger) and sometimes wait (to say good-bye). Yet it will still close after the last Slider goes through, even if it's open for less than 15 seconds. And it's not closing because the 4th person went through since sometimes more than 4 people go through.
Character mistake: The Sliders are constantly trying to interact with a new world despite not knowing anything about it. This action often leads to misunderstandings, arrests, or threat of death. Sometimes there's even posted signs that they don't bother reading until it's pointed out by someone they've upset or annoyed. Yet they continue this action. They played a death lottery without asking question, order beer when it's not available to them, or try to pay without local currency.
Continuity mistake: When Diana is at the cafe with her double, the book on the table changes position between shots. Some shots the binding is perpendicular to her body and in other shots it's more parallel with it.
Data World - S4-E17
Continuity mistake: When Mr. Chandler is on the roof with Quinn and says they should talk in his office, he's standing on Quinn's right side. In the next shot, Mr. Chandler is on Quinn's left side.
The Other Slide Of Darkness - S3-E21
Continuity mistake: When Alt-Quinn tries to hand Quinn the sword, the strap from the handle in hanging down, in from of his hand. In the next shot, the handle is in the opposite direction and behind his hand.
Continuity mistake: When Quinn has the real Duke's sword, he's pointing it towards the Duke. When the Duke tells his story, Quinn is dropping the sword down to his side. In the next shot it's back up pointing at the Duke.
The Good, The Bad, And The Wealthy - S2-E4
Other mistake: When Rembrandt is playing poker for the first time, the guy across from him says he'll call (and then he raises). So Rembrandt folds (even though he had a full house) because that's what Priscilla told him to do. But Rembrandt was supposed to just ante and fold until Cliff got there. But because the guy called, that means Rembrandt made the first bet. He shouldn't have bet at all though.
Continuity mistake: When Serena and Rembrandt go sit on the couch, she hadn't grabbed the champagne glass yet, only reaching for it. But in the next shot it's already up to her to lips.
Continuity mistake: At the bar when the 3 are watching the game, Max has his hand up against his mouth as he's thinking. When Wade asks what he thinks, the shot changes and his hand is down.
Continuity mistake: When the car pulls into the computer store, there is only one occupant. However, Rembrandt, Quinn and Wade are all inside. (Incidentally, the reason this mistake occurred is that the shot of the car pulling into the parking spot was recycled from the Pilot episode).
The Return of Maggie Beckett - S5-E9
Other mistake: The group slides to Fresno, where there is a monument to Maggie Beckett and the astronauts that were lost on an Intrepid mission to Mars. On the memorial stone, her name is misspelled as Maggie Becket, not Beckett as everywhere else.
Other mistake: Rembrandt is being tried in the People's Court. When he is sworn in, the bailiff ends the oath with "so help you God?" In this Earth alternative, the US is under Communist rule. There is no way God would be a part of an oath.