Transformers/Beast Wars Crossovers
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Owl House Prime by Rodimus973 reviews
Before the events of Thanks To Them, Luz Noceda and her friends from the Boiling Isles are caught in the middle of a galactic war between the Autobots and Decepticons on Earth. They must help Optimus Prime and his team defend the planet against Megatron, Starscream and many other dangerous foes that threaten the safety of humankind.
Crossover - Transformers/Beast Wars & Owl House - Rated: T - English - Fantasy/Sci-Fi - Chapters: 75 - Words: 504,530 - Reviews: 1025 - Favs: 568 - Follows: 550 - Updated: 33m - Published: 12/22/2022 - Arcee, Optimus Prime, Luz N., Amity B.
Phantom thief meets mercenaries by acerjoestar reviews
What would have happened if the world's greatest master thief, Arsen Lupin the 3rd, encountered a group of Cybertronians known as the mercenary clan that crash landed on the planet Earth. Would they team up or fight against each other in this amazing story?
Crossover - Transformers/Beast Wars & Lupin III - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 8,344 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 3h - Published: 12/17/2024 - Nightbird, Bug Bite, Soundblaster, Lupin III
Maya and Miguel Technosaur Warriors by avisdouglass4 reviews
The Baranoia empire led by King Mondo invades Cincinnati Ohio with a army of Mega Virus Monsters for their conquest for turing the world into their own mechanical empire,Tom Servo,head of the Technosaur recruit a group of kids to stop the Baranoia,they are the Technosaur Warriors!
Crossover - Transformers/Beast Wars & Maya and Miguel - Rated: K - English - Humor/Adventure - Chapters: 43 - Words: 49,870 - Reviews: 5 - Favs: 1 - Follows: 2 - Updated: 19h - Published: 8/13/2023 - Grimlock
Primus's Chosen: Olympus's Protectors by Lethimcoook reviews
Logic dictated that fate was an illusion, yet Shockwave now stood on a world steeped in myth, Gaea. A deal with Primus had led him here, a test of his evolution beyond cold logic. Gods, monsters, mortal heroes, none fit his calculations. But for the first time in eons, he faced a challenge beyond reason. He would adapt… or be consumed.
Crossover - Transformers/Beast Wars & Percy Jackson and the Olympians - Rated: T - English - Romance/Sci-Fi - Chapters: 6 - Words: 48,882 - Reviews: 6 - Favs: 22 - Follows: 30 - Updated: 4/2 - Published: 3/1 - Shockwave, Percy J., Zeus, Hestia
Alagaesia's new Bot by TheRedLemon reviews
when i woke up this morning, I didn't think my day would end with an extreme close up of a moving truck and the next morning would result in robot... everything. nor did i expect to make friends with a dragon rider and his dragon. well, first time for everything i guess?
Crossover - Transformers/Beast Wars & Inheritance Cycle - Rated: T - English - Adventure/Fantasy - Chapters: 8 - Words: 29,764 - Reviews: 3 - Favs: 5 - Follows: 7 - Updated: 4/2 - Published: 3/3 - Megatron, Eragon S., Saphira
Drones of Primus by bigbook29 reviews
In the Great War on Cybertron, Uzi, a young drone, leaves her colony to join the Decepticons, dreaming of a promised golden age. But hidden secrets and Shockwave's schemes trap her in a cycle of war. Autobot N also questions his role and, inspired by Optimus Prime, seeks peace. Together, Uzi and N defy their factions to break free—or remain pawns in endless conflict.
Crossover - Transformers/Beast Wars & Murder Drones - Rated: T - English - Sci-Fi/Suspense - Chapters: 15 - Words: 87,722 - Reviews: 10 - Favs: 15 - Follows: 20 - Updated: 4/1 - Published: 11/8/2024 - Shockwave, Uzi D., N
Life In Allspark Wells by The Fraudulent Brit reviews
The past seven months have been quite the experience for Apple Bloom. Learning about and bonding with her uncle Ironhide, tap dancing with her boyfriend Tender Taps, helping her new sister Sideswipe, befriending Marble Pie and Rattrap, and in general, exploring her new home of Allspark Wells. But that was only the beginning. Currently being posted on Fimfiction first.
Crossover - Transformers/Beast Wars & My Little Pony - Rated: T - English - Friendship - Chapters: 38 - Words: 213,818 - Reviews: 5 - Favs: 9 - Follows: 7 - Updated: 4/1 - Published: 11/27/2024 - Ironhide, Sideswipe, Wheelie, Applebloom
The Great Convergence by MergingEmperor7 reviews
Cybertron has fallen after millions of years of civil war between the Autobots and Decepticons. Autobots have fled to new worlds, and made new allies. But the Decepticons were not far behind and they too made new friends. Three worlds, two alliances, only one will stand, while the other will fall.
Crossover - Transformers/Beast Wars & Ratchet and Clank - Rated: T - English - Sci-Fi/Friendship - Chapters: 19 - Words: 26,588 - Reviews: 20 - Favs: 24 - Follows: 27 - Updated: 4/1 - Published: 6/17/2022 - Bumblebee, Ratchet, Silverbolt, Clank
Cul-de-sac Warfare by acerjoestar
Since the Quintesson War of Cybertron and the civil war that happened on Cybertron sometime later and also declined minimum resources for both sides known as Autobots and Decepticons. As they landed on Earth Earth, A group of three young men known as the Eds, Ed, Edd n Eddy came across the crashed Autobot ship that was in the junkyard where things are about to get epic...
Crossover - Transformers/Beast Wars & Ed, Edd n Eddy - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 2,314 - Updated: 4/1 - Published: 3/25
Code Doom: Revenge by Nomaddum reviews
Two worlds are mired in war and destruction. The day of the most terrible prophecy is near. And only the most valiant heroes will be able to fight the great evil. And while the legendary Doomslayer sleeps, humans and Autobots strive to free the Earth from the tyranny of Britannia and its true masters - the Decepticons. Crossover Doom Code Geass Transformers
Crossover - Transformers/Beast Wars & Code Geass - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 39,028 - Reviews: 1 - Favs: 5 - Follows: 6 - Updated: 4/1 - Published: 3/30 - Optimus Prime, Megatron, Lelouch L., OC
Code Prime and Attack on Prime React to Transformers WFC Game Trilogy by Osric Primus 270 reviews
Two universes that collided with the Transformers react to the history of the War for Cybertron. (based on the WFC trilogy of games, WFC, ROTDS and FOC along with some bits from Cybertron Adventures on the Wii. For WFC, the story will be based on the console version, with small nods to the DS version of WFC) Couldn't fit Attack on titan into the crossover section, apologies.
Crossover - Transformers/Beast Wars & Code Geass - Rated: T - English - Adventure - Chapters: 4 - Words: 68,872 - Reviews: 15 - Favs: 51 - Follows: 55 - Updated: 3/31 - Published: 1/8 - Optimus Prime, Megatron, Lelouch L., C.C.
Dust and Decepticons: Falling Stars by SwapAUAnon reviews
When aliens fell to Remnant in balls of flame, responsibility fell on General James Ironwood of the Atlesian Military to make first contact with these strange new beings. Who knows, perhaps these Decepticons could be the key to a new golden age? Surely keeping the existence of these strange new beings a secret couldn't possibly backfire! (Credit to Matrix Dragon for the name.)
Crossover - Transformers/Beast Wars & RWBY - Rated: T - English - Sci-Fi/Drama - Chapters: 7 - Words: 33,488 - Reviews: 8 - Favs: 37 - Follows: 39 - Updated: 3/30 - Published: 12/24/2022 - Punch/Counterpunch, Megatron, Drift, J. Ironwood
My Prime Academia by IS6A6E reviews
After sacrificing himself to bring life back to Cybertron, Optimus Prime wakes up on Earth, but not the one he's come to know. And as a human teenager! In this world of Quirks and Heroes, Optimus must navigate this treacherous new life of his, while struggling to let go of his old one. In the shadows, a sinister plot begins to unfold, with the Last Prime at the center of it all.
Crossover - Transformers/Beast Wars & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 28 - Words: 258,582 - Reviews: 282 - Favs: 427 - Follows: 438 - Updated: 3/30 - Published: 9/20/2024 - [Optimus Prime, Momo Y.] Izuku M., Toshinori Y./All Might
Transformers Amalgamation: The Search For the Allspark by Tomhur18 reviews
PHASE 1. After thousands of years, the Allspark's location has been found. A small planet known as Earth. The Autobots and Decepticons have both sent teams to find and recover the sacred relic. But is there more to this planet than meets the eye? Especially with the three runaway human children the Autobots have befriended?
Crossover - Transformers/Beast Wars & Percy Jackson and the Olympians - Rated: T - English - Adventure/Friendship - Chapters: 60 - Words: 153,001 - Reviews: 42 - Favs: 70 - Follows: 75 - Updated: 3/30 - Published: 5/25/2024 - Hot Rod, Prowl, Annabeth C., Thalia G.
A Surge in Universes by TimPrime1 reviews
During the battle on Gigantian. Dr. Michael's Dimensional Transporter responds to a great deal of energy from Galvatron and Starscream, which causes a breach in not only the universes, but space and time as well. Now the Transformers have been separated into two different universes and one dimension, with very little time left in their universe.
Crossover - Transformers/Beast Wars & Cartoon X-overs - Rated: K+ - English - Adventure/Suspense - Chapters: 4 - Words: 10,436 - Reviews: 6 - Favs: 2 - Follows: 1 - Updated: 3/29 - Published: 2/9 - Optimus Prime, Galvatron, Starscream
Miraculous: Power of the Primes by MVMZ-710 Star Convoy reviews
Best friends Orion Pax, Ariel Kurtzberg, and Dion Mcfinnigan get the adventure of their lives when they are chosen to be the next guardians of the Matrix of Leadership as they wage their battle to destroy the evil forces of the Decepticons. But all is not well within Paris as their own heroes, Ladybug and Chat Noir, try to obtain the Matrix through any means... Read and Review!
Crossover - Transformers/Beast Wars & Miraculous: Tales of Ladybug & Cat Noir - Rated: M - English - Sci-Fi/Adventure - Chapters: 16 - Words: 64,481 - Reviews: 25 - Favs: 28 - Follows: 24 - Updated: 3/29 - Published: 11/11/2021 - [Optimus Prime, Elita One] [Ultra Magnus, Juleka C./Reflekta]
The Wonders of Cybertron by Demonwolf reviews
After the Vermicious Knid attack on Space Hotel USA, astronauts Shuckworth, Showler and Shanks are sent back to patrol the skies and make sure all is clear for the hotel's opening. Unfortunately, a run-in with an asteroid storm sends them crashing onto a nearby planet, where they are found by a race of sentient robots.
Crossover - Transformers/Beast Wars & Charlie and the Chocolate Factory - Rated: K+ - English - Adventure/Friendship - Chapters: 11 - Words: 32,330 - Reviews: 3 - Follows: 1 - Updated: 3/29 - Published: 12/28/2024 - Optimus Prime, Ratchet, Megatron, OC
Of Minicons and Devils by Mundatorem reviews
It all begins and ends with a bike for him. Next thing Issei knows, he's become embroiled in a conflict which is been going on for millions of years. If that wasn't madness enough, he's soon wrapped up in supernatural madness. Striving to be a Harem King has never been tougher than this.
Crossover - Transformers/Beast Wars & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Sci-Fi - Chapters: 13 - Words: 49,206 - Reviews: 110 - Favs: 206 - Follows: 233 - Updated: 3/29 - Published: 11/27/2024 - Optimus Prime, Red Alert, Hot Shot, H. Issei
Adopticons by playedcrowd5610 reviews
Danny happened to save a metal cat from a fight with Cujo and now ever since then all of these mini robots keep showing up in his town and spying on him (not very secretively). Now he's got to deal with six mini-mechs and their overprotective twenty-two-foot-tall caretaker… What has his afterlife come to? Cast: Danny, Rumble, Frenzy, Ratbat, Buzzsaw, Laserbeak, Ravage, Soundwave!
Crossover - Transformers/Beast Wars & Danny Phantom - Rated: T - English - Friendship/Family - Chapters: 4 - Words: 15,476 - Reviews: 11 - Favs: 74 - Follows: 91 - Updated: 3/28 - Published: 11/13/2024 - Laserbeak, Ravage, Soundwave, Danny F.
Transformers Prime: Jack Darby, Man and Monster by IronGooseTransform reviews
Jackson Bruce B. Darby is now The hulk in this take on transformers prime. Enjoy!
Crossover - Transformers/Beast Wars & Avengers - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 2,901 - Reviews: 7 - Favs: 5 - Follows: 4 - Updated: 3/28 - Published: 12/27/2024 - [Arcee, Jack D.] Hulk/Bruce B., General Ross
Transformers Prime: Invincible Rising by AreUSure reviews
What if, in an alternate reality, Mark succeeded in killing Angstrom after the Invincible war? However, Angstrom, always the slippery one managed to portal Mark away to a distant world, one vastly different from his own.. How will Mark now deal with being the only superhero in the world.. a world with a different alien threat.
Crossover - Transformers/Beast Wars & Invincible - Rated: M - English - Chapters: 1 - Words: 1,662 - Reviews: 5 - Favs: 11 - Follows: 11 - Published: 3/28 - Arcee, Bumblebee, Optimus Prime, Bulkhead
Transformers MHA, Arc 2: Earthrise by The Omni-Remnant reviews
After a rather intense adventure and the U.A. Sports Festival approaching fast, Izuku and his friends have two important things to do; improve their Quirks in time for the festival… and hide a bunch of giant alien robots. That proves to be easier said than done, especially when enemies on Earth and from beyond the stars end up coming for them…
Crossover - Transformers/Beast Wars & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 90 - Words: 1,065,767 - Reviews: 2716 - Favs: 1,194 - Follows: 1,175 - Updated: 3/28 - Published: 12/1/2021 - Bumblebee, Optimus Prime, Izuku M., Kyoka Jiro
Dragons Race to the Edge and Beast Wars by coyoteprime1100 reviews
Three years after the Berserker and Insecticon wars, with the Dragon Riders and Autobots. Now they grown up and Dagur's escaped and plans revenge and the Maximals come to earth to stop a future from happening while also helping the past with humanity and dragons.
Crossover - Transformers/Beast Wars & How to Train Your Dragon - Rated: T - English - Chapters: 8 - Words: 80,288 - Reviews: 39 - Favs: 25 - Follows: 26 - Updated: 3/27 - Published: 1/8/2024
Interference by sarahlampkin49 reviews
As Wheeljack was chasing Dreawing after murdering his friend, he saw a human ship get attacked by an unknown creature. He swoops in and catches a young human. But there is more to this boy than meets the eye. There will be changes to the firebreather movie and transformers the aligned continuity. Coming of age story.
Crossover - Transformers/Beast Wars & Firebreather - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 6,868 - Reviews: 7 - Favs: 5 - Follows: 5 - Updated: 3/26 - Published: 12/23/2024 - Optimus Prime, Wheeljack, Duncan R., Margaret R.
Paz y Tiranía by Kurozumi6 reviews
Luego de liberarse de la tortura de Unicron y autoexiliarse de Cybertron, Megatron vagaba por el espacio sin mas que arrepentimientos. Pero un percance lo deja varado en una Tierra retorcida donde los humanos son atormentados por los "Titanes". Y aunque en un inicio no quiere tener nada que ver, nuevos lazos lo haran luchar por algo mas que la opresion. La verdadera libertad.
Crossover - Transformers/Beast Wars & Attack on Titan/進撃の巨人 - Rated: M - Spanish - Sci-Fi - Chapters: 2 - Words: 36,304 - Reviews: 1 - Favs: 4 - Follows: 6 - Updated: 3/25 - Published: 3/12 - Megatron, Eren Y., Mikasa A., Armin A.
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