Space 1999 Crossovers
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Mystery of the Planet of the Alphans by jemarcu reviews
The Alphans are back on Earth, and an uneasy truce with the apes is holding. Unlocking the mysteries of what happened on Earth, and the origins of the apes, are just the beginning, as new dangers and old adversaries may threaten the existence of both ape and Alphan.
Crossover - Space 1999 & Planet of the Apes - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 10 - Words: 27,552 - Reviews: 8 - Favs: 3 - Follows: 8 - Updated: 1/2 - Published: 1/3/2015 - Complete
Transformation by Viala reviews
While investigating a deserted base, Maya is accidentally transported to a nearby starship. She soon discovers that many of the crew are humans from Earth, and that 'rescue' for the Alphans could be close at hand. Star Trek: The Next Generation crossover.
Crossover - Space 1999 & StarTrek: The Next Generation - Rated: K+ - English - Adventure/Romance - Chapters: 19 - Words: 82,994 - Reviews: 42 - Favs: 13 - Follows: 16 - Updated: 11/17/2023 - Published: 9/23/2005 - J. Koenig, Helena R., Maya, Tony V. - Complete
SpaceKinds 1999 by 2H-Writer
The inhabitants of Moonbase Alpha find themselves in a fixed orbit around a mysterious planet, there they find the planet inhabited by humans (some with brightly coloured hair) and anthropomorphic animals that can speak. - Note: This takes place during the events of Series 1 of Space 1999 and some point after defeating Clovis in TwoKinds.
Crossover - Space 1999 & Two Kinds - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 1,217 - Published: 10/24/2023 - J. Koenig, Helena R., Victor B., Alan C.
Universe 1999 by TimeTraveller-1900
A series of One-shots showing the end of the SHADO-Alien war, to the advancing of humanity in space, before Breakaway.
Crossover - Space 1999 & UFO - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,188 - Favs: 6 - Follows: 6 - Published: 7/29/2023 - J. Koenig, Helena R., Victor B.
Starship 1 by TimeTraveller-1900
SHADO has defeated the UFOs; with their defeat, a whole new age of technology and scientific discovery is unleashed.
Crossover - Space 1999 & UFO - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 3,214 - Favs: 8 - Follows: 10 - Updated: 7/28/2023 - Published: 1/1/2023
Odyssey by TimeTraveller-1900 reviews
The Alphans discover a ship on the dark side of their moon. The Alphans now have a ship that will change their entire future for good. The Alphans can now find a new home. The Alphans...can now return home. Their Odyssey will go on.
Crossover - Stargate: SG-1 & Space 1999 - Rated: T - English - Sci-Fi - Chapters: 20 - Words: 55,992 - Reviews: 40 - Favs: 77 - Follows: 99 - Updated: 5/20/2023 - Published: 12/20/2021 - Complete
UFO: The End of the war, or is it? by TimeTraveller-1900
SHADO have done it. The aliens have been utterly defeated in a clandestine mission to end the war, and not in the way that was expected. But Commander Straker is unsure how SHADO will operate since there are plans to rebuild the moonbase.
Crossover - Space 1999 & UFO - Rated: K+ - English - Sci-Fi/Angst - Chapters: 1 - Words: 1,680 - Favs: 5 - Follows: 4 - Published: 2/1/2023 - Complete
The First Flying Saucer by TimeTraveller-1900
Professor Bergman tests out a new spaceship. AU
Crossover - Space 1999 & Forbidden Planet - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 846 - Favs: 4 - Follows: 4 - Published: 9/27/2022 - Complete
Shattered Times and Timelines - Chronowerx's Legacy: Moonbase Alpha by TimeTraveller-1900 reviews
Rain Robinson didn't fade into obscurity. She broke into Chronowerx, armed with Tom Paris's tricorder which she stole to learn more about what Starling was doing. What she discovers changes the future of the human race in a way Starling never considered.
Crossover - StarTrek: Voyager & Space 1999 - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,178 - Reviews: 2 - Favs: 17 - Follows: 9 - Published: 7/22/2022 - Complete
Reward Lost by Type 40 Tardis reviews
He thought he hid his reward well, but he never explicitly told his reward to stay on Earth…did he?
Crossover - Doctor Who & Space 1999 - Rated: T - English - Adventure/Romance - Chapters: 36 - Words: 101,277 - Reviews: 10 - Favs: 7 - Follows: 5 - Updated: 5/30/2022 - Published: 9/27/2021 - 9th Doctor, Brigadier, Sarah Jane S., Kate S. - Complete
Temporal Cold War: Breaking Moonbase Alpha by TimeTraveller-1900 reviews
After the Apollo missions in the 60s and early 70s, space exploration began to be rare, but what if it received a revival and sparked off the construction of a base on the moon? The Temporal Cold War has found Moonbase Alpha as a potential battleground.
Crossover - Space 1999 & StarTrek: Enterprise - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 2,251 - Reviews: 3 - Favs: 14 - Follows: 6 - Published: 9/30/2021 - OC - Complete
Moon over Stalag 13 by rscottdjr reviews
Hogan and team investigate a German experiment that could change everything. Commander Koenig and the inhabitants of moonbase Alpha seemed to have found a way home, but are in for an unpleasant surprise.
Crossover - Hogan's Heroes & Space 1999 - Rated: T - English - Sci-Fi/Humor - Chapters: 13 - Words: 17,871 - Reviews: 2 - Favs: 3 - Follows: 4 - Updated: 4/17/2021 - Published: 6/26/2019
QuantumSpace--Looking for Answers by Mayaswatch
STORY 1-Dr. Sam Beckett leaps into yet another unknown scenario...this time on Moonbase Alpha! Desperate to save the 300 citizens from certain disaster, Sam leaps into a situation that Al, Ziggy and the team of Alpha's best minds can't find the answers to. Pls review & let me know if you like it! See the trailer on my YouTube channel...mayaswatch
Crossover - Quantum Leap & Space 1999 - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 11,992 - Follows: 1 - Published: 9/26/2020
An Alphan's Destiny by MrScirev reviews
Alphan Mike Ryan survives his close encounter with the Black Sun, and ends up in another universe. He soon encounters a Starship which is unable to get back to Earth.
Crossover - Space 1999 & Stargate: Universe - Rated: K - English - Sci-Fi - Chapters: 3 - Words: 2,221 - Reviews: 4 - Favs: 4 - Follows: 4 - Updated: 10/9/2016 - Published: 2/22/2014 - Eli W., Dr. N. Rush, Col. E. Young
Echo on the Moon by MrScirev
Echo, an Active Doll from the Dollhouse, is given a mission on Moonbase Alpha. Will she survive the experience?
Crossover - Space 1999 & Dollhouse - Rated: K - English - Chapters: 2 - Words: 1,009 - Updated: 6/3/2016 - Published: 5/17/2016 - Echo/Caroline F., Boyd L.
The Path To Eternity by jemarcu reviews
When the immortal and nearly invulnerable psychopath Balor is unleashed on Alpha, Nick and Nat try to stop him without revealing their vampiric nature. Can even an 800 year old vampire hope to stand up in the face of Balor's power? A "filler" for the "Forever Alpha" crossover series by the great and venerable Senmut, whose help in editing and improvement was much appreciated.
Crossover - Forever Knight & Space 1999 - Rated: K+ - English - Sci-Fi/Horror - Chapters: 1 - Words: 8,121 - Reviews: 4 - Favs: 3 - Follows: 2 - Published: 10/23/2015 - Complete
Bringing The Alphans Home by Vila Restal reviews
Full Summary inside, and hope everyone will enjoy! Please R & R! Thanks for ready.
Crossover - Star Wars & Space 1999 - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 10,101 - Reviews: 15 - Favs: 3 - Updated: 7/14/2015 - Published: 4/9/2015
Planet of the Alphans by jemarcu reviews
A space warp puts the moon back into Earth orbit, in the 40th century! A routine survey party lands to make first contact with what looks like a village of primitive humans. But things do not go as planned.
Crossover - Space 1999 & Planet of the Apes - Rated: K+ - English - Sci-Fi/Drama - Chapters: 17 - Words: 38,332 - Reviews: 17 - Favs: 8 - Follows: 7 - Published: 1/18/2014 - Complete
Ship of the Line: The Hawk has Landed by Bob Regent reviews
Two Astronauts find themselves in the wrong place at the wrong time. BTVS/S:1999 Cross.
Crossover - Buffy: The Vampire Slayer & Space 1999 - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 5,802 - Reviews: 6 - Favs: 32 - Follows: 30 - Published: 11/29/2012 - Complete
The Transformation by Qtelatino1 reviews
This is another Space 1999 story that I found a long time ago and felt it was time that I shared it with everyone. The Alphans encounter a Starfleet emergency transporter that beams Maya onto the Enterprise-D. Far from Tony, she finds herself growing...
Crossover - StarTrek: The Next Generation & Space 1999 - Rated: K - English - Romance - Chapters: 20 - Words: 88,921 - Reviews: 12 - Favs: 28 - Follows: 15 - Updated: 6/23/2012 - Published: 8/29/2009 - Complete
Space:1999 & Star Trek Voyager TieIn PT2 Home by Qtelatino1 reviews
This story is a continuation of the original crossover story with a couple of additions. It takes place a few days after the voyager episode friendship one and about a little over one month after the space 1999 episode Dorcon’s
Crossover - StarTrek: Voyager & Space 1999 - Rated: K - English - Chapters: 4 - Words: 8,236 - Reviews: 1 - Favs: 2 - Updated: 6/23/2012 - Published: 8/29/2009 - Complete
Space:1999 & Star Trek Voyager TieIn PT1 by Qtelatino1 reviews
In a rare moment in time and space Moonbase Alpha travels through a space warp and meets the starship Voyager. Will the Janeway and Koening meet? What will happen to both crews?
Crossover - StarTrek: Voyager & Space 1999 - Rated: K - English - Chapters: 2 - Words: 3,714 - Reviews: 3 - Favs: 4 - Follows: 2 - Updated: 6/23/2012 - Published: 8/21/2009 - Complete
New Moon Over Bajor by Qtelatino1 reviews
The moon traveled through a wormhole but it wasn't just any wormhole. It was the Bajoran wormhole of the Prophets. How will Starfleet react to the sudden appearance of Earth's moon in their universe and how will the Alphans get back to theirs...
Crossover - StarTrek: Deep Space Nine & Space 1999 - Rated: K+ - English - Drama - Chapters: 20 - Words: 127,493 - Reviews: 11 - Favs: 23 - Follows: 13 - Updated: 6/23/2012 - Published: 5/28/2010 - B. Sisko - Complete
A Space Odyssey: 1999 by Qtelatino1 reviews
What was the secret behind Calvis base on the Moon and why did Henry Haywood made a brief stop at Moon Base Alpha? This story was created over a decade ago by David M. Welle and I thought it was well written and should share it. Please, read up and enjo..
Crossover - Space 1999 & Misc. Movies - Rated: K - English - Drama/Sci-Fi - Chapters: 2 - Words: 4,854 - Reviews: 1 - Updated: 6/23/2012 - Published: 9/19/2010 - Complete
Alien by Amelia-Straker reviews
Commander Straker is missing and presumed dead. Then, Moonbase Alpha discovers it has a new crewman who is having trouble adapting. His name - Ed Straker.
Crossover - Space 1999 & UFO - Rated: K+ - English - Drama/Sci-Fi - Chapters: 1 - Words: 10,421 - Reviews: 3 - Favs: 2 - Published: 6/4/2012 - Complete
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