Stargate: SG-1 Crossovers
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Colonials under Siege by Evan Vave reviews
*Reviving/updating* 280 Years after the Stargate is discovered the Alliance detect an emergency transmission from an Ancient Outpost. After an expedition reveals the origin to be the 12 Colonies of Kobol, a detailed analysis prove to the Alliance that the Colonials are not ready for First Contact. An intelligence agent is left on Caprica to monitor the Colonies.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K - English - Sci-Fi/Adventure - Chapters: 2 - Words: 12,165 - Reviews: 62 - Favs: 183 - Follows: 269 - Updated: 9/22/2013 - Published: 9/8/2013
That Was Rude by insomniareader reviews
Graham has a wife or had... The tenses are a little confusing, but they won't be for long. She'll set them straight.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K+ - English - Chapters: 1 - Words: 4,153 - Reviews: 1 - Favs: 9 - Follows: 4 - Published: 9/18/2013 - Graham M. - Complete
When All the Stars Are Calling by GenkaiFan reviews
A series of lectures on ancient languages puts Garion Williams, aka Harry Potter, into a position to right an ancient wrong when Garion befriends Daniel Jackson. Non-slash! Friendship DJ/HP.
Crossover - Labyrinth & Stargate: SG-1 - Rated: T - English - Sci-Fi/Friendship - Chapters: 7 - Words: 30,549 - Reviews: 312 - Favs: 896 - Follows: 573 - Updated: 9/18/2013 - Published: 1/25/2013 - D. Jackson - Complete
Homer says D'oh by Lady FoxFire reviews
What do you get when you mix lost luggage and Halloween in Sunnydale?
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Drama/Humor - Chapters: 1 - Words: 11,193 - Reviews: 55 - Favs: 432 - Follows: 201 - Published: 9/15/2013 - Xander H., J. O'Neill - Complete
Stargate: Rise of the Terran Commonwealth - The Colonial Wars by pedmore1202 reviews
A story set in 2010, and detailing the war between the 12 Colonies of Kobol and the Terran Commonwealth, due to their protection of the last surviving Cylon's which the Colonial's had been pursuing for several months in an attempt to wipe them out completely. This is a sister-story to my other SG:RotTC story, and will be referred to in it but it is not a sequel to it. Please R & R.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 2 - Words: 2,221 - Reviews: 23 - Favs: 97 - Follows: 155 - Updated: 9/15/2013 - Published: 9/29/2012
Stargate: Hope by tone.stowers.7 reviews
The race to rescue the crew of Destiny and to preserve the legacy of the Ancients, New and Old races form an alliance and venture into the unknown
Crossover - Stargate: SG-1 & Stargate: Universe - Rated: K - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 514 - Reviews: 1 - Favs: 6 - Follows: 7 - Published: 9/13/2013 - S. Carter, D. Jackson, Teal'c, Vala
Knower of Names by Jedi Buttercup reviews
Slayer meets archaeologist on a plane back from England, phone numbers are exchanged, and prophecies unfold. COMPLETE.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: T - English - Sci-Fi/Romance - Chapters: 5 - Words: 19,677 - Reviews: 74 - Favs: 290 - Follows: 222 - Updated: 9/13/2013 - Published: 6/11/2007 - Buffy S., D. Jackson - Complete
Dust of the Stars by bryan0711 reviews
The Colonies believed themselves alone in the galaxy. The Cylons were their only enemy. After a confrontation between the Valkyrie BSG and Ha'tak motherships the Colonies are thrown onto the galactic scene, unprepared, for an inevitable confrontation...
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 24 - Words: 323,498 - Reviews: 348 - Favs: 451 - Follows: 499 - Updated: 9/12/2013 - Published: 4/5/2010 - J. O'Neill, W. Adama
The Baby Job by BookWorm37 reviews
Two months after the events of "The Thieves and the Baker" we find Cassie locked in a secure military facility for her own protection, and the Leverage team desperately trying to find her. There is only one warning, one message: Find the others. They are waking up. Find the others before it is too late.
Crossover - Stargate: SG-1 & Leverage - Rated: T - English - Adventure - Chapters: 5 - Words: 9,682 - Reviews: 27 - Favs: 16 - Follows: 36 - Updated: 9/11/2013 - Published: 8/22/2012 - Cassandra F., Eliot S.
A Change of Fate: Codex by DX1998 reviews
Entries into the SGC/UNSC Codex. Companion to the main story, all technological aspects are included here.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 3,205 - Reviews: 32 - Favs: 46 - Follows: 42 - Updated: 9/11/2013 - Published: 8/21/2013
The New Kid by alcimines reviews
Remember the teen-aged clone of Jack O'Neill from the Stargate SG-1 episode "Fragile Balance"? The last we saw of him he was walking into a high school in Colorado Springs. But suppose ended up in some other school - like Sunnydale High?
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K+ - English - Chapters: 1 - Words: 1,463 - Reviews: 15 - Favs: 36 - Follows: 36 - Published: 9/11/2013 - Buffy S., J. O'Neill - Complete
Potentials and Immortals by sirtechlocke reviews
Sam woke up and wasn't sure if she was still dreaming.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K+ - English - Humor/Adventure - Chapters: 10 - Words: 17,913 - Reviews: 14 - Favs: 18 - Follows: 39 - Updated: 9/10/2013 - Published: 9/7/2011 - Willow R., S. Carter
The Dragon King's Temple by Kryal reviews
The spite of the spirits opened a door better left untouched. On the other hand, with Fire and Earth as one's allies, sometimes escaping is the easy part.
Crossover - Stargate: SG-1 & Avatar: Last Airbender - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 12 - Words: 212,762 - Reviews: 1415 - Favs: 2,826 - Follows: 1,260 - Updated: 9/10/2013 - Published: 12/27/2011 - Complete
Stargate: Korra by HVulpes2.0 reviews
What happens if SG-1 happen to go through to the Stargate to a unique and elemental world? The world of Avatar Korra and Republic City. This is a Omake, or sample of a story, to inspire others to make more Avatar/Stargate Crossovers.
Crossover - Stargate: SG-1 & Legend of Korra - Rated: T - English - Adventure - Chapters: 2 - Words: 4,993 - Reviews: 11 - Favs: 18 - Follows: 24 - Updated: 9/9/2013 - Published: 7/25/2013
Hard Truths by electricgurl reviews
The government has always delivered news to their MIA soldiers families in person. SG1 goes to talk to the remaining Winchester men.
Crossover - Stargate: SG-1 & Supernatural - Rated: K+ - English - Family/Drama - Chapters: 1 - Words: 3,690 - Reviews: 6 - Favs: 39 - Follows: 22 - Published: 9/8/2013 - D. Jackson, J. O'Neill, Sam W., John W. - Complete
Sentinel to the Stars by Larabeelady reviews
Dr Daniel Jackson comes looking for old friend, Blair Sandburg, for help with a find on another planet. Blair brings along his Sentinel.
Crossover - Sentinel & Stargate: SG-1 - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 27,740 - Reviews: 15 - Favs: 76 - Follows: 14 - Published: 9/8/2013 - Complete
Stargate Terra by James0416 reviews
Something that came to mind one day: What if the Terran empire met their match? Get out of here, Writer's block! T for language-based safety.
Crossover - StarTrek: Voyager & Stargate: SG-1 - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 823 - Reviews: 3 - Favs: 12 - Follows: 23 - Published: 9/6/2013 - K. Janeway
Mind Control by musicalpassion052 reviews
Upon finding notes for a mind control device, Dr. Jackson is kidnapped by Baal and taken to the location of the device, a museum in Toronto. Team One from SRU is called to the hostage situation in the museum and SG-1 comes to stop Baal themselves. Can the teams work together to solve the situation or will they end up killing each other instead?
Crossover - Stargate: SG-1 & Flashpoint - Rated: K+ - English - Humor/Drama - Chapters: 1 - Words: 8,322 - Reviews: 1 - Favs: 3 - Follows: 7 - Published: 9/6/2013 - D. Jackson, J. O'Neill, Greg P., Jules C. - Complete
Where Do My Bluebirds Fly by Kitchyy reviews
John/Cameron, NC-17 - Dr. John Sheppard finds out his old flame, one Colonel Cameron Mitchell is coming to the SGC. Can he balance his working career with all the memories that get dragged up from his past?
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Romance/Angst - Chapters: 1 - Words: 26,895 - Reviews: 1 - Favs: 7 - Follows: 4 - Published: 9/2/2013 - Complete
The Knights of the One by Philip S reviews
There is no Watchers Council, never has been. That doesn't mean the Slayer has to fight alone.
Crossover - Stargate: SG-1 & Buffy X-overs - Rated: T - English - Drama/Supernatural - Chapters: 1 - Words: 3,986 - Reviews: 5 - Favs: 16 - Follows: 12 - Published: 8/31/2013 - J. O'Neill, Buffy S. - Complete
Kindred Spirits by alcimines reviews
Stargate Command and Gibbs' team from NCIS get crosswise with each other.
Crossover - Stargate: SG-1 & NCIS - Rated: K+ - English - Chapters: 1 - Words: 3,753 - Reviews: 29 - Favs: 97 - Follows: 30 - Published: 8/30/2013 - S. Carter, J. O'Neill, Leroy Jethro Gibbs, Ziva D. - Complete
The Better Part of Valour by Tamoline reviews
"You realise, of course, that this is all your fault," I pronounce cheerfully. "I had not realised that I had such control over the actions of others," Teyla murmurs in response. "If that were the case, then this mission might have gone very differently."
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: M - English - Romance/Humor - Chapters: 6 - Words: 50,503 - Reviews: 1 - Favs: 10 - Follows: 4 - Published: 8/29/2013 - Vala, Teyla E. - Complete
Shindig by ALIMOO1971 reviews
Jack and Sam attend a few parties before their wedding. Sequel to Window of Opportunity. This story is cross over with Stargate Atlantis
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: K+ - English - Romance/Humor - Chapters: 18 - Words: 25,450 - Reviews: 51 - Favs: 33 - Follows: 40 - Updated: 8/26/2013 - Published: 6/16/2013 - S. Carter, J. O'Neill - Complete
Background Check by alcimines reviews
A new NCO has been assigned to Stargate Command and Jack has the sneaking suspicion that there is something a bit odd about Sergeant Xander Harris.
Crossover - Buffy: The Vampire Slayer & Stargate: SG-1 - Rated: K+ - English - Chapters: 1 - Words: 2,430 - Reviews: 33 - Favs: 231 - Follows: 86 - Published: 8/25/2013 - Xander H., Buffy S., J. O'Neill, Teal'c - Complete
SG-7 - Never That Simple A Mission by Sally Mn reviews
Ion cannons, gold triplephalli, sentient slugs, rampaging pet rocks, and gambling your clothes on a planet named Memphizz... just another mission, really.
Crossover - Stargate: SG-1 & Magnificent Seven - Rated: K - English - Humor - Chapters: 1 - Words: 2,908 - Reviews: 4 - Favs: 10 - Follows: 1 - Published: 8/23/2013 - Gen. Hammond, Chris L., Ezra S., Vin T. - Complete
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