Listen: there's a hell of a good universe next door; let's go.
"Maybe it got sucked into a parallel dimension."
— ALF trying to explain the disappearance of the family cat.
Grim: Yeah, that's the entrance to wing thirteen: the supernatural wing! It exists in another dimension.
Billy: Another dimension? No one mentioned another dimension.
Grim: Yeah, we step through there and ascend to the Home of the Ancients!
Billy: I hate to throw a monkey wrench into this ascension to another dimension that wasn't ever mentioned but—
Grim: What's with the sudden dissension?
Billy: I'm pulling an abstention to the ascension to another dimension; my mommy said I'm not allowed to.
Grim: Well, I don't want to cause tension with this ascension to—
Mandy: Stop it! Both of you just stop it!
Billy: Another dimension? No one mentioned another dimension.
Grim: Yeah, we step through there and ascend to the Home of the Ancients!
Billy: I hate to throw a monkey wrench into this ascension to another dimension that wasn't ever mentioned but—
Grim: What's with the sudden dissension?
Billy: I'm pulling an abstention to the ascension to another dimension; my mommy said I'm not allowed to.
Grim: Well, I don't want to cause tension with this ascension to—
Mandy: Stop it! Both of you just stop it!
"Your world is but one of many realms. One of them is a forsaken land called Outworld, ruled by an immortal who has crowned himself emperor. Now he seeks a new world to conquer and enslave."
— Raiden, Mortal Kombat: The Movie
"Whoever set up this intercom system clearly wanted to fight me. I keep hearing 'dimensional power', 'dimensional contamination'. What the fuck are they talking about? I'm pretty sure these aliens are three-dimensional. Probably from somewhere deep in space, but space isn't another dimension."
— Gordon Freeman expressing his annoyance at this trope, Freeman's Mind
Gonna get a little weird! Gonna get a little wild! I ain't from 'round here! I'm from another dimension!
— Theme song to Star vs. the Forces of Evil
Relatively speaking, today is tomorrow/Einstein led and everyone followed/Time to increase your mental retention/Explore new frontiers in a new dimension.
— Theme song to My Science Project
"Gozer the Gozerian? ...Good evening. As a duly designated representative of the City, County and State of New York, I order you to cease any and all supernatural activity and return forthwith to your place of origin or to the nearest convenient parallel dimension."
— Ray Stantz, Ghostbusters (1984)
The clouded world of Venus lie ahead of them. It was not the planet of other universes, hot beyond endurance and sloshing with molten metal. This Venus could support life, and did.
It was the first time that the idea of time as a "dimension" had ever made sense to Tom. They talked some more, until Johnny started bringing in fifth and sixth dimensions, and problems of irrational space and hyperspace, and got even himself confused.
— Gold in the Sky by Alan. E. Nourse
"Adventures in Alphabet Space": Romana is in E-Space unaware that Gallifrey has been destroyed, and that the Doctor is desperately searching for the last female Time Lord so he can repopulate their species. After much trouble the Doctor finds a way to cross from N-space into E-Space, only to find that Romana has moved on to F-Space, and so the process begins all over again.
— TrekBBS, "Come up with the most silly Doctor Who spin off."
Lonzak: Majesty, I have brought prisoners!
Dr. Chaotica: More Earthlings?
Lonzak: No! They claim they're from another dimension.
Dr. Chaotica: A fifth dimension... Bring them to me!
— Star Trek: Voyager, "Bride of Chaotica!"
