Stargate: SG-1 Crossovers
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An Ancient Destiny by Anaika Skywalker reviews
When Methos finds a pre-Immortal foundling, she will change his life. Their lives will intermingle for over three thousand years, as destiny guides them to be the parents of the boy who will eventually decipher the Stargate.
Crossover - Highlander & Stargate: SG-1 - Rated: K+ - English - Chapters: 45 - Words: 151,127 - Reviews: 171 - Favs: 215 - Follows: 166 - Updated: 4/21/2014 - Published: 3/5/2012 - Duncan, Methos, D. Jackson, J. O'Neill - Complete
Stargate Earth by cjloar reviews
My take on what happens after Atlantis retuns to Earth and is merged with the SGC. Rated M for content. Lots of pairings. Please read and review. I do not own Stargate SG1 or Stargate Atlantis.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Romance/Sci-Fi - Chapters: 23 - Words: 132,754 - Reviews: 56 - Favs: 65 - Follows: 79 - Updated: 4/20/2014 - Published: 2/1/2012
Truth and Revelations by Marcus S. Lazarus reviews
When the SGC is infiltrated by a dangerous group with connections to Daniel's past, Daniel is forced to face several secrets that he has kept from his friends as he comes face-to-face with a life that he has been trying to forget since he lost everyone
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Drama/Angst - Chapters: 55 - Words: 216,630 - Reviews: 577 - Favs: 1,134 - Follows: 1,137 - Updated: 4/18/2014 - Published: 7/9/2006 - S. Carter, D. Jackson, Harry P. - Complete
Rise of the Phoenix by doctor chocolate thunder reviews
We all thought that the Cylons were gone. De'anna and the human forms cylons remain and have many stories to tell. This story is heavily Battle Star Galactica with some very definite Stargate Atlantis and other things mixed in. Look for a lot of action and a lot of reasons to rethink how you imagine the cylons and their evil tendencies. continuation of the rare friends story.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi/Drama - Chapters: 3 - Words: 10,196 - Reviews: 13 - Favs: 39 - Follows: 56 - Updated: 4/17/2014 - Published: 7/30/2013 - J. O'Neill, D'Anna B., W. Adama
The Birth of Iconia by wesleyehowell reviews
Book 1 of the Iconia Continuum. Also contains elements of Star Trek. Stargate Command turns to Global Dynamics for help developing technology to battle the Ori. What do the Q have to do with this? Part One of the Iconia Continuum.
Crossover - Stargate: SG-1 & Eureka - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 23 - Words: 103,656 - Reviews: 36 - Favs: 122 - Follows: 115 - Updated: 4/17/2014 - Published: 11/14/2013 - S. Carter, D. Jackson, J. O'Neill, Jack C. - Complete
A Different Kind Of Portal by DonLyn reviews
After the collapse of Sunnydale the original Scoobies and Dawn explore the ruins of the former Watcher Council's headquarters in London. The accidental discovery of an... unusual... storage space beneath the building might herald changes in the way Things Are Meant To Be. And world-endage, of course. There's always gotta be world-endage. (AU after season seven of BtVS)
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Chapters: 2 - Words: 4,922 - Reviews: 16 - Favs: 31 - Follows: 87 - Updated: 4/17/2014 - Published: 2/24/2014
You're My WHAT? by AllieDotes reviews
After five years stranded on an alien space ship, Sheppard and his team started to think they'd never see home again and settled in as best they could. Just when they were on their last breath of re-circulated air- rescue came. But too late to save two of their number. Now Sheppard has to go to earth, and back in time, to find the one person who means more to him than anyone else.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K+ - English - Mystery/Sci-Fi - Chapters: 1 - Words: 1,902 - Reviews: 3 - Favs: 2 - Follows: 11 - Published: 4/12/2014
Vengeance ou Protection by linora reviews
Un corps est retrouvé se faisant rencontrer l'équipe du Jefferson et deux militaires entourés de secret.
Crossover - Stargate: SG-1 & Bones - Rated: T - French - Crime - Chapters: 17 - Words: 9,888 - Reviews: 8 - Favs: 9 - Follows: 5 - Updated: 4/10/2014 - Published: 3/25/2014 - Complete
A Twist in the Myth: Sereclipse by Kashoku1 reviews
SG-1 is no stranger to the odd and unusual, but when they find themselves on a mission to a planet called Spira nothing will prepare them for the technology the world has to offer. Their first encounter with the locals is with a pair of sphere hunters known as Sereclipse, and nothing is the same when they willing to share their amazing technology with the new strangers from Earth.
Crossover - Stargate: SG-1 & Final Fantasy X - Rated: M - English - Adventure/Romance - Chapters: 14 - Words: 141,939 - Reviews: 5 - Favs: 12 - Follows: 8 - Updated: 4/10/2014 - Published: 4/6/2014 - D. Jackson, J. O'Neill, Rikku, Yuna - Complete
Lonely at the top by halfasleep42 reviews
Sam gets a visitor wile healing in Atlantis after the episode Trio. Mature content ahead!
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Romance - Chapters: 3 - Words: 9,336 - Reviews: 18 - Favs: 27 - Follows: 22 - Updated: 4/8/2014 - Published: 3/25/2014 - J. O'Neill, S. Carter/Sam
Si Vis Pacem, Para Bellum by In Defilade reviews
AU. Abducted by Loki, rescued by Thor, Harry grows up fast in a much wider universe than he ever imagined existed. Trained extensively by the Asgard, he is now ready to set his own course in life. The Goa'uld need to be dealt with, and he has questions concerning his own past and powers - the answers to which will only be found on Earth, at Hogwarts ... whatever the hell that is.
Crossover - Stargate: SG-1 & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 52,311 - Reviews: 643 - Favs: 2,034 - Follows: 2,729 - Updated: 4/7/2014 - Published: 4/28/2013 - S. Carter, Harry P., Hermione G.
Mission to the Dark Room by DGtnsl reviews
SG-1 is going on yet another recon mission. What will they make of the people they find on this new planet?
Crossover - Stargate: SG-1 & Code Geass - Rated: K - English - Mystery - Chapters: 1 - Words: 1,732 - Reviews: 4 - Favs: 19 - Follows: 14 - Published: 4/3/2014 - Complete
The crossing of all borders by theStarchilde reviews
A somewhat whimsical attempt of mine. SG1 finds a piece of technology that can navigate not only through realities but also through time and they are able to experience a very unusual version of the future. Cross-over with Babylon 5.
Crossover - Babylon 5 & Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Mystery - Chapters: 22 - Words: 81,142 - Reviews: 81 - Favs: 123 - Follows: 142 - Updated: 3/29/2014 - Published: 11/19/2012 - Delenn, D. Jackson - Complete
A Stargate in Dunwin by Skye Silverwing reviews
After clearing a rock from the mysterious Great Ring Pool,the Gummibears inadvertently open up their World to the possibilities of the entire galaxy, and its dangers as well.
Crossover - Stargate: SG-1 & Gummi Bears - Rated: K - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,191 - Reviews: 12 - Favs: 13 - Follows: 17 - Published: 3/26/2014 - S. Carter, D. Jackson, J. O'Neill, Teal'c
Stargate: the new Alliance by Spartan-nylen reviews
this is a Stargate/Star Wars fic the Empire tries to start over in the Milky Way but SG-1 might have something to say about that
Crossover - Star Wars & Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 10,326 - Reviews: 70 - Favs: 60 - Follows: 101 - Updated: 3/26/2014 - Published: 3/5/2009
A New Home? Or a New Nightmare? by AmeCrimsonDawn reviews
Escaping Ne'tu with a group of Shinobi, SG-1 become attached to these young teenagers who have experienced a dark past. How will Naruto handle a new life in the SGC with a certain Raven by his side once again.
Crossover - Stargate: SG-1 & Naruto - Rated: M - English - Sci-Fi/Humor - Chapters: 2 - Words: 2,196 - Reviews: 18 - Favs: 68 - Follows: 81 - Published: 3/16/2014 - J. O'Neill, Naruto U., Sasuke U., Shikamaru N.
Collection of one shots by Spearhead reviews
A collection of one shot stories that may be expanding in the future. Multiple categories.
Crossover - Star Wars & Stargate: SG-1 - Rated: K - English - Sci-Fi/Drama - Chapters: 4 - Words: 7,859 - Reviews: 10 - Favs: 9 - Follows: 11 - Updated: 3/14/2014 - Published: 2/27/2014
Stargate Ascendant by MikeJaffa reviews
Daniel Jackson and Samantha Carter meet their fates. (AU to both shows now.)
Crossover - Stargate: SG-1 & Andromeda - Rated: T - English - Adventure - Chapters: 4 - Words: 26,007 - Reviews: 4 - Favs: 22 - Follows: 7 - Published: 3/13/2014 - S. Carter, D. Jackson, Beka V. - Complete
Fracture Points by ArtisticAbandon reviews
A debriefing is a debriefing until its an interrogation. Or, the story about how to break and still stay whole. (Written for the LJ Sheppard HC Community 2013 Winter Fic Exchange, for stellapegasi)
Crossover - Stargate: Atlantis & Stargate: SG-1 - Rated: T - English - Hurt/Comfort/Suspense - Chapters: 6 - Words: 15,216 - Reviews: 25 - Favs: 9 - Follows: 9 - Updated: 3/13/2014 - Published: 1/26/2014 - John S., C. Mitchell - Complete
Stargate: The Rise of Terra by Lord Knightsky reviews
With Earth in the possession of the Asgard Core as well as Atlantis and the Alteran Database on Earth it is now time for humanity to unite. Terra will rise to follow in the wake of the Ancients and travel the Universe to discover its secrets.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 56,270 - Reviews: 55 - Favs: 213 - Follows: 265 - Updated: 3/13/2014 - Published: 4/25/2012 - J. O'Neill, S. Carter/Sam
Ascended Destiny by reddog24485 reviews
An Ascended Being finds himself in the Mass Effect Universe. Now he must find away to help without drawing the attention of the Other Ascendeds. Will it be enough to stop the Reapers and end the cycle? Read and find out. Male Shepard, Paragon.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 3,445 - Reviews: 35 - Favs: 137 - Follows: 209 - Updated: 3/10/2014 - Published: 3/9/2014 - D. Jackson, Shepard
Antarctica by UH-60 NIGHTSTALKER reviews
One shot. For a long time the Senshi thought they were the only ones who fought for the Earth. But when a new threat arises, the Senshi will soon learn that is no longer the case.
Crossover - Sailor Moon & Stargate: SG-1 - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 6,785 - Reviews: 13 - Favs: 47 - Follows: 28 - Published: 3/9/2014 - Complete
Not Your Kind of Trouble by Marz1 reviews
Bobby says its not a gremlin, and that we're idiots." "What did he say about the military guys?" "He said to send him a postcard from Gitmo." Sam and Dean get caught between the N.I.D. and a girl that shoots lightning, an angry clone, and the FBI.
Crossover - Stargate: SG-1 & Supernatural - Rated: T - English - Adventure - Chapters: 9 - Words: 31,742 - Reviews: 286 - Favs: 277 - Follows: 444 - Updated: 3/9/2014 - Published: 3/7/2010 - Cassandra F., Sam W.
The Infinatus by Hideout Writer reviews
One OC...created by powers unknown...sent to find the pieces to an Ancient puzzle... Watch as Ajax travels through time, space, and alternate realities to find the pieces of a key to The Infinatus.
Crossover - Stargate: SG-1 & Maximum Ride - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 51,802 - Reviews: 25 - Favs: 13 - Follows: 10 - Updated: 3/7/2014 - Published: 6/3/2011
Fly Away by cat3251 reviews
What if Harm had been given another choice during the events of Back in the Saddle?
Crossover - JAG & Stargate: SG-1 - Rated: K - English - Chapters: 1 - Words: 1,107 - Reviews: 19 - Favs: 20 - Follows: 32 - Published: 3/4/2014 - H. Rabb
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