After another beating from his whale of an uncle, Harry is whisked off to another universe by Lady Magic with Hermione along for the ride. This will be a HHr, in other words a Harry/Hermione story with Dumbledore and select Weasley bashing

After the Mirror V'ger Incident, it was supposed to be a simple peacekeeping mission. The Temporal Liberation Front had other ideas. Now nearly three-hundred starships are in the past...an altered past.

El espacio: ¿La frontera final? Esta debía ser una misiles de colonización del USS Unchained en el Cuadrante Delta. Crossover de Star Trek alternativo y Dragon Ball Súper alternativo.

Anthology of a universe where Starfleet vessels (and others) had AIs running their systems... In the form of shipgirls. Inspired by Kancolle and Azur Lane. Covers all the series. Enjoy!

A Federation Deep space mission with no human crew members gets pulled into another Universe where it meets the Battlestar Galactica and the Cylons.

When a prototype new FTL malfunctions, three Federation Starships find themselves in a new Galaxy. One far, far from home. Before they can even begin to comprehend their situation, they receive a distress signal. A small ship is under attack. Read as two famous SCi Fis crossover in ways you can't possibly imagine.

The Q Continuum Sends Cameron Philips into the United Federation of Planets to even the odds against the Skynet Imperium's Resurrection!

A Crossover between Star Trek and Stargate SG-1, Atlantis and Universe. In the year 2412, the USS Tempest and her crew find themselves discovering a past that humanity covered up since before the discovery of the Warp Drive. Characters based off of bridge officers from Star Trek Online, and long term Star Trek Roleplays

Set just after Episode 2.3, Tomorrow, Tomorrow, Tomorrow. Pelia speaks with her old friend Amanda.

USS Enterprise, NCC-1701-E, has a normal morning as her ship departs for Anzeel Station.

The crew of the USS Nostromo encounter a strange beacon. Upon investigating it, they release something horrendous upon their ship. (AU Crossover)

After an encounter with hostile Klingons and a spatial anomaly the Federation starship Resolution is transported into the Stargate universe. Trouble ensues as they have to learn how to survive in this new reality, build new friendships and alliances and maybe, just maybe, find a way home.

Dawn was created exactly at 0:00:01 on January 1st, 2000 making her the Spirit of the 3rd Millenium. And on her 19th birthday Fate comes along and sets her on path that will span a thousand years with all the powers that comes with it. So as not live her life alone, she requests that Buffy be allowed to spend it with her.

Summary: The stranded Federation crews and Earth Alliance are slowly accepting each other. But a genocidal war with the Yonji Sinhindrea threatens everything. The Minbari are struggling for their very lives and old memories still linger. Vorlons and Shadows have fled. Now the younger races must come together or everything will die in fire.

Set 3months after the Dominion war The founders have offered a gesture of continued peace in the form of a planet rich in dilithum located in the far reaching space of their empire Aegis 7 seemed like just a typical dilithum rock in space. But something far sinister was waiting under its surface Captain Jean Luc Picard is now in a race against time. The bajoran system as fal

The Department of Mysteries goes a bit sideways for Ron. Now he’s got a new issue….To bloody boldly go where no one on his planet has gone before….

A one-shot of a "black-ops" operative doing special operations during the Dominion War. Through a one in a million accident, he ends up in a seedy part of the Star Wars galaxy.

Cowboy Bebop but in the Star Trek universe

After Krypton's destruction and centuries stuck in the phantom zone, Kara and Kal find themselves being rescued by a ship that just so happens to be part of a certain galactic organisation. Star Trek Meets Supergirl and Flash. Karry Pairing. Kara X Barry.

this story takes place in the prime universe to all those who read thus the Terran empire conquered there youll recognize the story

Hello fellow readers this is my first time doing this so bear with me I've been reading a lot of fanfiction stories based on Gate and I have to say some of you have some damn good stories out there however over the past couple years I have never seen one story or crossover with a star trek twist so I decided to create one myself please enjoy

The UNSC Aurora is the Infinity-Class Supercarrier that had just been commissioned in 2570 Halo Universe year, several decades after the war ended. It is the last remaining ship of its kind along with her sister ship, UNSC Infinity II. But now, it went nowhere.

Neo Queen Serenity has passed on & her resting place is thrown 300 years into the past...just outside the Klingon borders! A young Science officer finds a locket that contains rather unusual powers. Also a familiar enemy from Sailor Moon's past begins to exact revenge of the death of his mother Beryl. I do not Own Star Trek, or Sailor Moon. (ran into troubles. Should be fixed now)

My attempt to continue Ozaallos' Ranma/ST crossover.

As the Starship Enterprise ends its year-long research mission, her current Captain wonders after her Head Engineer, all too ready to be on the ground. [Heartstopper/Star Trek Crossover]