Outer Limits, Aquarius, Lost City, Eden, Dry Gulch, The Sand Pit, and Outpost are locations listed on the map.
Trivia: This is the only episode in the entire series with no sliding scenes.
Trivia: The idea for this world is based on physicist's Herbert Van Meer idea. He postulated that the Earth could rotate on its axis slightly faster, and yet complete one solar revolution in the same amount of time. Over the course of billions of years a time lapse would occur due to gravitometric forces. The result is that the events that took place 12 years ago on Earth Prime take place here in the present,
Nitpick: Quinn says the radius within which they'll be landing now, due to the timers' stabilizers being switched, has Los Angeles and San Francisco as two of its outermost points. Wouldn't that mean they can - with high probability - also land right in the Pacific Ocean, far from shore?
Trivia: The plaque beneath the medal where the disc is hidden reads "MAXIMILLIAN ARTURO CONGRESSIONAL MEDAL FOR SCIENTIFIC EXCELLENCE."
Nitpick: When first asked to see how long they'll stay on this world, Quinn looks at his watch, instead of at the timer.
NITPICK: When the guys go to court in Time's Arrow World the judge is called as "Judge Ramon Estevez", yet the name plate says "Hon. J. Estevez".
Nitpick: When the group leaves Mexico World, they land in an area with mud on the ground, but none of them are muddy.
Goof: When Dennis is talking about getting a greencard, an officer de-holsters his gun, and the blue light from the vortex shining can be seen. However, Quinn hasn't activated the timer yet.
When they first enter the new world, the Seattle space needle is behind them.
Nitpick: Wade mentions a medical bracelet around the man's wrist, but he isn't wearing one.
Trivia: The questioning hall in this episode is the same one they were questioned in on Communist Earth, only back there it wasn't so empty.
Nitpick: When Quinn is leaving to slide, the position of the vortex keeps moving from where he is supposedly walking. At one point, it even gets behind him as he starts walking forward.
Goof: When the group prepares to slide from "Attorney World", Quinn drops his newspaper. When they slide, he hands the very same paper he just dropped to the attorney.
When they enter for the initial slide it is dark outside, after they land it's day. When Derek Bond introduces himself he is saying "I've experienced this night a thousand times..." Then as the group is walking away Wade says "I was dreaming about him whenI woke up for the slide tonight" while behind them it is apparently still day.
Trivia: The police's symbol on Psychic Earth's US is a pentagram.
Nitpick: Rembrandt states that he thought Quinn's basement would be bigger. However, he's already seen Quinn's basement in "Eggheads".
When the sliders enter the bar to avoid the police, you can hear sounds from the Classic Pac-Man in the room. However, the only video game being played is a type of card game.
Trivia: The footage of the car pulling up at the computer store is reused from the pilot episode.
Nitpick: Rosie states that the therapy session for the ladies starts at 3:00. However, when the session begins, it is pitch black outside.