Battlestar Galactica: 2003 Crossovers
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Worldwar: Establishing A Balance by AlbertG reviews
Summary-Book IV: Years ago, the Colonials of Cyrannus met the so-called 13th tribe. It didn't work out well. The Colonials met the Race. That didn't work out well either, but they were introduced to a much larger galaxy. Now their errors have come back and they know they are small fish in a large ocean trying to survive. Can they? Will the Race let them?
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 99,199 - Reviews: 417 - Favs: 328 - Follows: 410 - Updated: 7/20 - Published: 3/6/2016
To Hell and Back URE V3 by Ron the True Fan reviews
All of this has happened before. And all of it shall happen again. But the Cycle of man and machine going to war has been disturbed. When the rag tag Fleet appeared at Jachen Due, history was altered forever. And not for the best.
Crossover - Gundam Seed & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 17 - Words: 146,709 - Reviews: 48 - Favs: 52 - Follows: 51 - Updated: 7/18 - Published: 8/29/2015
A Change in Destiny - Teaser by DesertWriter01 reviews
This is a little teaser for a story that I am in the process of writing and it is centered around Kara Thrace and one Samantha Carter. Or should I say Kara Carter? Read more to find out.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 859 - Reviews: 3 - Favs: 4 - Follows: 6 - Published: 7/14 - S. Carter, K. Thrace/Starbuck
Neptune's Revenge by cliff.west reviews
What happens when the Battlestar Galactica from BSG 2003 finds another group of lost humans but these humans are from Rifts Earth? My first attempt at writing so buyer beware
Crossover - Rifts & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Drama - Chapters: 24 - Words: 383,435 - Reviews: 17 - Favs: 15 - Follows: 10 - Updated: 7/7 - Published: 9/29/2016
To change fate by fanfictionfanaticX reviews
Fate is a weird thing. By trying to stop it or change it, you discover that it has all already been written. Or has it? This is a Stargate and BSG 2003 crossover.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 231,328 - Reviews: 179 - Favs: 178 - Follows: 257 - Updated: 7/6 - Published: 12/22/2016
Ned's Six by Shiva-J reviews
One morning Ned Stark felt compelled to ride into the Wolfswood where he found a woman in a red dress, lost and near death, speaking a language that he didn't understand, her name was Caprica.
Crossover - Battlestar Galactica: 2003 & A song of Ice and Fire - Rated: T - English - Romance/Hurt/Comfort - Chapters: 3 - Words: 5,055 - Reviews: 18 - Favs: 71 - Follows: 74 - Updated: 7/6 - Published: 3/13/2016 - [Number Six, Eddard S./Ned]
Stargate Valkyrie by APhantasm reviews
On that fateful Halloween night. Buffy, Xander, Willow, Dawn, Cordelia, Harmony, Giles, Jenny Calendar and Oz would be given a new destiny. Along with that destiny they would be given a 3 space going vessels in which to help fight the Goa'uld.
Crossover - Buffy: The Vampire Slayer & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Supernatural - Chapters: 3 - Words: 7,156 - Reviews: 15 - Favs: 70 - Follows: 94 - Updated: 6/28 - Published: 6/15 - Xander H., Buffy S., Dawn S., Willow R.
UNSC & Colonial -Covenant War by GeneralJames 717 reviews
Earth and her colonies have been fighting for survival for 7 years. During one battle a Battle Group escaped from the Covenant, they came across another group of long lost humans called the 12 Colonies of Kobol. The age of peace was broken for the Colonials when the Covenant attacked. Can both groups of humanity fight together or be destroyed one at a time.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 26,615 - Reviews: 15 - Favs: 24 - Follows: 40 - Updated: 6/27 - Published: 5/26
Roads Paved in Shadows by AlbertG reviews
"We don't have information on the numbers yet, sir," one of the commanders answered quickly. "It's not the Cylons. The Thirteenth Tribe is attacking us. We're at war with Earth." Adar was completely stunned that emotion quickly turning into a burning rage. "But why?" he snarled as his rage turned into a need for vengeance.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 5 - Words: 28,829 - Reviews: 102 - Favs: 135 - Follows: 186 - Updated: 6/26 - Published: 3/19 - J. O'Neill, W. Adama
Battlestar Galactica: The Guiding Fire by GunnyStacker reviews
199 days after the Cylon attack on the 12 Colonies, a chance encounter brings the Colonial Fleet in contact with the UNSC Spirit of Fire after the events of the Forerunner Shield World. Can they work together to reach UNSC space before the Cylons wipe them all out and manage to overcome the odds without killing each other first?
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Drama - Chapters: 11 - Words: 104,185 - Reviews: 291 - Favs: 377 - Follows: 553 - Updated: 6/12 - Published: 11/13/2016 - J. Cutter, Serina, W. Adama, K. Thrace/Starbuck
A Brutal Reality by BIG Z1776 reviews
SEQUEL TO "A BRUTAL TRUTH". The Colonials have just started taking their first steps into a much larger galaxy where danger, friends, and the unknown lie around every corner. And Earth has now taken the next huge step into the galaxy and its rise to superpower is all but inevitable. So what's to stop them? Old enemies from the past thought to be gone and new ones not yet seen.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 29 - Words: 179,999 - Reviews: 446 - Favs: 464 - Follows: 650 - Updated: 6/9 - Published: 2/15/2015
The Aftermath: The End by fmfan1980 reviews
Sequel to 'The Aftermath'. This takes place two years after the destruction of the device that would have sent Vala and Daniel to the Ori galaxy. Since the device was destroyed, there was no Ori. A new team heads to Caprica on a recon mission, and comes face to face with the end of days. (A SG-1, BtVS, and BSG 2003 X-over.) *12/02/2016-Latest chapter has been edited.*
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 31 - Words: 114,555 - Reviews: 124 - Favs: 120 - Follows: 187 - Updated: 6/2 - Published: 6/3/2016
A New Angel, a New Fate by Marcus S. Lazarus reviews
On the run from his people, the Doctor's curiosity is aroused when he discovers a fleet of humans in deep space in the distant past
Crossover - Doctor Who & Battlestar Galactica: 2003 - Rated: T - English - Drama/Angst - Chapters: 14 - Words: 33,300 - Reviews: 22 - Favs: 41 - Follows: 61 - Updated: 5/30 - Published: 10/22/2015 - 8th Doctor, Compassion, W. Adama, L. Roslin
Contact at Kobol by wilkins75 reviews
The scrolls tell that 13 tribes left the birthplace of humanity on Kobol, 12 went one way and the other Earth went another only to lose all contact with their cousins. It is written that one day they would reunite but when they Earth meets their cousins it is not what they expected and it would cost both sides in blood. (Stargate SG1/Battlestar Galactica)
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure - Chapters: 80 - Words: 478,758 - Reviews: 5095 - Favs: 1,040 - Follows: 1,230 - Updated: 5/25 - Published: 3/20/2015 - Complete
Stargate: The Twelve Colonies by Seraphin2011 reviews
The Cylons are preparing to attack the Colonies, and they are determined to end all human existence once and for all. But the Cylons don't know the Terrans have learned about their attack, and they will not stay idle and let the Cylons commit such atrocity, not if they can help it. This is a spin-off from the other story I'm writing, splitting around the half of the second book.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 27 - Words: 202,072 - Reviews: 747 - Favs: 611 - Follows: 808 - Updated: 5/23 - Published: 5/21/2013
Rory's Flight by New Karma Zach reviews
A little over 150,000 years after the events in "Day Break part 3." Rory Gilmore must find a way to get to the 12 Colonies of Kobol. Slight Gilmore Girls A.U.
Crossover - Gilmore Girls & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Friendship - Chapters: 7 - Words: 1,842 - Reviews: 2 - Favs: 1 - Follows: 2 - Updated: 5/21 - Published: 4/19 - Rory G., Cally, S. Agathon/Athena, M. Edmondson/Racetrack
Crossovers that Shouldn't happen 4 by keithallen
Yes, the BSG group had made it to Earth! Not only was it not what they expected, they also found out why certain phrases should never be uttered ...
Crossover - Battlestar Galactica: 2003 & Beetlejuice - Rated: K+ - English - Humor/Horror - Chapters: 1 - Words: 4,168 - Favs: 1 - Follows: 1 - Published: 5/20 - Complete
Serenity: Land of Salvation by Lord Maximus reviews
Spin off of Battlestar Galactica: Where Angels Fear to Tread. In one reality the machine intelligence known as SkyNet escaped into an alternate timeline and reality, merging with a race of machines with similar origins to it. Now this new machine race branches out into new timelines to ensure their survival.
Crossover - Battlestar Galactica: 2003 & Serenity - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 25,322 - Reviews: 10 - Favs: 8 - Follows: 6 - Updated: 5/17 - Published: 5/11 - Complete
Battlestar Invictus by CALiGeR190 reviews
Battlestar Invictus: flagship of the colonial fleet. In a desperate bid to escape destruction at the hands of an old enemy, the ship finds itself lost out in a place unknown to the colonials... and horrors they could scarcely imagine lurk in the twisted galaxy they have been dropped into.
Crossover - Warhammer & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 53,372 - Reviews: 28 - Favs: 34 - Follows: 46 - Updated: 5/17 - Published: 11/3/2016
A Godly Visitor by Cananatra reviews
A Goa'uld finds himself teleported to the Galactica. Now all he has to do is convince them a new religion is required.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 4,987 - Reviews: 9 - Favs: 10 - Follows: 22 - Updated: 5/16 - Published: 2/7
A Change of Fate by kaln7 reviews
The Colonials search for the Thirteenth tribe after the fall of their colonies maybe at an end, when they make contact with the Systems Alliance, but will Earth lend them a hand or will the Cylons destroy them all.
Crossover - Battlestar Galactica: 2003 & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 7,309 - Reviews: 36 - Favs: 64 - Follows: 101 - Updated: 5/1 - Published: 4/8
SG13 The Cylon War by ShadowXV reviews
What happens when Earth is informed about a group of unknown humans by the Asgard and Earth with some help sneaks in an SG team. I got a new beta we are currently going through all chapters.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: K+ - English - Chapters: 11 - Words: 108,645 - Reviews: 220 - Favs: 263 - Follows: 381 - Updated: 3/29 - Published: 5/23/2015
The 13th Tribe by Darth Master Rassilon Davros reviews
Earth had been rendered uninhabitable. Billions have been killed. The only hope for the survivors, a society not even officially contacted yet, the 12 Tribes of Kobol. The SGC must lead the way in contacting in order to survive the loss of Earth. Can these two societies work together for the common good?
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 19,361 - Reviews: 24 - Favs: 81 - Follows: 107 - Updated: 3/28 - Published: 2/14 - S. Carter, J. O'Neill, H. Cain, OC
Chances of Survival by JimKirk1 reviews
When the U.S.S Enterprise finds spatial distortions in a distant sector of space, Kirk goes to investigate. What he finds could change the Federation forever.
Crossover - Battlestar Galactica: 2003 & Star Trek: 2009 - Rated: K - English - Sci-Fi - Chapters: 15 - Words: 31,922 - Reviews: 38 - Favs: 34 - Follows: 43 - Updated: 3/27 - Published: 12/19/2015
Battlestar Galactica Planet of dragons by Starfigter
When Spyro defeated Malefor, all thought that it's the end of sorrows. But when the refugee fleet of the twelve colonies jumps into their system with cylons close behind, their new fund peace will be shattered. The future of Dragon realms and colonials now depends on Lee, Starbuck, Spyro and Cynder to drive the cylons off the planet and find clues about the thirteenth tribe.(R&R)
Crossover - Spyro the Dragon & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 646 - Published: 3/22
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