Transformers/Beast Wars Crossovers
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Sunstreaker's Charge by Autobot2001
Lily meets the Autobots and is immediately told to stay away from Sunstreaker. She feels sorry for him and wants to befriend him. This changes after she's kidnapped. Sunstreaker doesn't like how terrified Lily is of him. Can he repair the damage done and befriend her?
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 2 - Words: 2,308 - Favs: 1 - Follows: 1 - Updated: 2h - Published: 3/6 - Crosshairs, Sideswipe, Sunstreaker, Drift
the wolf godess lupa AU by Starlight Skywolf
lupa is the godess of the wolves and is said to be as old as mankind itself. but when the auto bots find her lair she discovers she is not alone in the universe and finds her soulmates. but the autobots are in a war and need the energon in her lair she chooses to bond to one of them along with a human for the sake of her world and the multiverse itself. Starlight is a winged wolf.
Crossover - Transformers/Beast Wars & Wolves of the Beyond - Rated: K - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 950 - Favs: 1 - Follows: 1 - Updated: 5h - Published: 3/2 - Arcee, OC, Optimus Prime, Jack D.
A Universe, Transformed by TheInkredibleKaptainKaiju reviews
Most kids Steven's age struggle with finding out where they belong. Then again, most kids Steven's age aren't the child of a millenia-old giant robot who turns into a truck, leader of a group dedicated to protecting Earth from danger. Steven's not exactly human, but he's not a Transformer, either-so what is he? Hopefully his fellow Autobots and other friends can help him find out!
Crossover - Transformers/Beast Wars & Steven Universe - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 2 - Words: 11,784 - Reviews: 2 - Favs: 4 - Follows: 4 - Updated: 18h - Published: 2/17 - Elita One, Sideswipe, Ultra Magnus, Steven U.
Autobot Defense Unit by Crusherboy93 reviews
18 to 19 years ago, an Alien Ship crash-landed into the base of Mount Fuji. Present day, a bunch of young Adults from Japan, plus one from the states, are called upon by the Ministry of Extraterrestrial Defense for an International Task force to defend earth from the forces of Evil. and guess what, THEY PILOT DRONES!
Crossover - Transformers/Beast Wars & Assassination Classroom/暗殺教室 - Rated: T - English - Adventure/Sci-Fi - Chapters: 11 - Words: 35,732 - Reviews: 5 - Favs: 9 - Follows: 7 - Updated: 18h - Published: 5/19/2022 - Bumblebee, Optimus Prime, OC, Nagisa S.
Young Justice: Frontiers by Centurion Maximo
Five years have passed. The Machination are still out there, but are they the only threat the Autobots and their allies will have to face? With rising sentiment against the Justice League, the heroes will have to pull out new tricks to survive the tough times ahead. Sequel to Young Justice: Their War, Our World.
Crossover - Transformers/Beast Wars & Young Justice - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 3,233 - Favs: 3 - Follows: 4 - Published: 3/7 - Optimus Prime, OC, Bruce W./Batman
Holding Out for a Hero by Lady of the Midwest reviews
In every situation, there is more than one outcome. And in every action taken, they always have consequences to them. For Jack, it's an opportunity to become better as tragedy falls onto him, and he uses it to become the hero he wants to be as his world falls prey to an unknown incarnate of evil.
Crossover - Transformers/Beast Wars & Avengers - Rated: T - English - Hurt/Comfort/Drama - Chapters: 14 - Words: 83,161 - Reviews: 1 - Favs: 24 - Follows: 27 - Updated: 3/6 - Published: 9/7/2022 - Arcee, Jack D., Iron Man/Tony S., Agent Phil Coulson
The Swiftshadow Chronicles part 6: Illusions by gydragonwing reviews
People were disappearing and Megamind didn't know why. Every lead he had has lead to dead ends. Just as he finds himself at his wits end he encounters someone who might be the breakthrough he needs. Burdened by destinies call, Swiftshadow must confront her doubts if she has any chance of defeating the stirring evil in Metro City's heart.
Crossover - Transformers/Beast Wars & Megamind - Rated: T - English - Adventure/Mystery - Chapters: 9 - Words: 17,024 - Reviews: 9 - Favs: 2 - Follows: 2 - Updated: 3/5 - Published: 12/29/2022 - OC, Megamind, Roxanne R., Metro Man
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: 9 - Words: 11,663 - Reviews: 10 - Favs: 10 - Follows: 12 - Updated: 3/5 - Published: 6/17/2022 - Bumblebee, Ratchet, Silverbolt, Clank
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: 36 - Words: 435,583 - Reviews: 773 - Favs: 530 - Follows: 539 - Updated: 3/3 - Published: 12/1/2021 - Bumblebee, Optimus Prime, Izuku M., Kyoka Jiro
Genshin Impact Shattered Glass by lupiniiiredawesome reviews
A/N: what would have happened if the Shattered Glass Autobots and Decepticons crash landed in the world of ganshin impact that would transform the world itself forever.. with their extraterrestrial visitors from space...
Crossover - Transformers/Beast Wars & Genshin Impact - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 3,171 - Reviews: 1 - Favs: 1 - Published: 3/1
Transformers The Movie (Kingdom Hearts edition) by T1mothy
The Decepticons attempt to raid the Autobots of their precious energon. It has also blinded them to an ancient and powerful menace; the Chaos Bringer called Unicron. With Cybertron threatened by this planet-devouring entity and the unhinged Galvatron stalking them, the Autobots, Sora, Riku, Kairi, Donald and Goofy face their greatest challenge.
Crossover - Transformers/Beast Wars & Kingdom Hearts - Rated: T - English - Sci-Fi/Fantasy - Chapters: 28 - Words: 64,316 - Favs: 6 - Follows: 5 - Updated: 3/1 - Published: 10/16/2022
Still in the fight by Scepter 2-1 actual reviews
Team Prime battles to defend Earth from the Decepticons with the help of their human allies. Then one day, a mysterious ship shows up, straight out of another war, carrying one of its most hardened veterans with one of his closest friends. A man known to the enemy as a Demon. Cover image is not mine.
Crossover - Halo & Transformers/Beast Wars - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 39,844 - Reviews: 73 - Favs: 167 - Follows: 211 - Updated: 2/27 - Published: 12/13/2021 - Arcee, Bulkhead, Jack D., SPARTAN-B312/Noble Six
Transformers: Prime: The Fifth Relic by BadWolf02 reviews
I corrected the spelling errors! What if there was a Fifth key to restoring Cybertron the Autobots' never knew about? She-Ra of Etheria is the Fifth key to restoring Cybertron. Will the Autobots get to her before the Decepticon does? How will Adora feel when she finds out that she's the Autobots' last hope at restoring their home planet? I DO NOT OWN ANYTHING!
Crossover - Transformers/Beast Wars & She-Ra and the Princesses of Power - Rated: K - English - Friendship - Chapters: 3 - Words: 5,527 - Reviews: 1 - Favs: 6 - Follows: 8 - Updated: 2/27 - Published: 9/15/2022 - Optimus Prime, Ratchet, Adora/She-Ra
The Transformers by Codecrash reviews
More than meets the eye.
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: 1 - Words: 1,494 - Reviews: 3 - Favs: 10 - Follows: 15 - Published: 2/26 - Izuku M.
RWBY Victory by Arcanus the scribe reviews
When he was a boy, Jaune's village was attacked by the Grimm. However, instead of dying that day, Jaune was saved by a strange being who's more than meets the eye.
Crossover - RWBY & Transformers/Beast Wars - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,314 - Reviews: 5 - Favs: 27 - Follows: 32 - Published: 2/26 - Star Saber, Jaune A., Team JNPR, Team RWBY
Transformers: Dawn of the SpaceKnights by H.R.C. Stanley
Set in the Knightverse, a small group of Autobots soon come to Earth, only to eventually find themselves heading into a conflict just as old as the war between Autobots and Decepticons. One that would tie in together the Solstar Order and their guardians the SpaceKnights, their sworn enemies the Dire Wraiths, and a particular subrace of Transformers known as Mini-cons...
Crossover - Transformers/Beast Wars & Transformers - Rated: K+ - English - Sci-Fi/Mystery - Chapters: 1 - Words: 840 - Favs: 2 - Follows: 2 - Published: 2/26 - Sideswipe, Mudflap, Skids, Jolt
Dragons the Nine Realms and Transformers by coyoteprime1100 reviews
1,300 years have passed since Hiccup Haddock the Third, Optimus Prime and Toothless parted ways. The Dragons and Autobots go to the Hidden World, where Dragons have faded into legend now a new Generation of Dragon Riders will be born in the modern world.
Crossover - Transformers/Beast Wars & How to Train Your Dragon - Rated: K+ - English - Chapters: 16 - Words: 124,653 - Reviews: 82 - Favs: 33 - Follows: 28 - Updated: 2/26 - Published: 1/22/2022
Young Justice: Their War, Our World by Centurion Maximo reviews
The Team and Justice League think they have it tough, but when strange reports and events begin occurring, they investigate. When they dig too deep, planet Earth itself seems to get drawn into a seemingly endless conflict of an alien race.
Crossover - Transformers/Beast Wars & Young Justice - Rated: T - English - Adventure - Chapters: 58 - Words: 104,844 - Reviews: 82 - Favs: 78 - Follows: 77 - Updated: 2/26 - Published: 7/1/2019 - Complete
Optimus Prime's universe by Autohumans
This is about the how the behind the scene treatment of the Great Peter Cullen and my version of how he turned it around.
Crossover - Transformers/Beast Wars & Transformers - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 1 - Words: 172 - Published: 2/25
More Than Meets the Spy by ssjSega reviews
Loid Forger, codename Twilight, did everything he could to ensure that he and his family appeared as unassuming citizens for the sake of his mission. And like all common families, buying a new car was perfectly normal and expected. Little does he know, however, that there's more to his family's new car than meets the eye.
Crossover - Transformers/Beast Wars & Spy x Family - Rated: T - English - Family/Friendship - Chapters: 4 - Words: 17,539 - Reviews: 41 - Favs: 236 - Follows: 275 - Updated: 2/25 - Published: 7/31/2022 - Bumblebee, Anya Forger, Loid Forger/Twilight, Yor Briar/Thorn Princess
Periapsis by Nomad Blue reviews
A newly-risen Guardian scrambles to escape the Fallen-infested Cosmodrome of Old Russia. But their destiny is forever changed when the jumpship they try to escape in turns out to be more than meets the eye.
Crossover - Transformers/Beast Wars & Destiny - Rated: M - English - Sci-Fi/Adventure - Chapters: 24 - Words: 101,449 - Reviews: 30 - Favs: 134 - Follows: 138 - Updated: 2/25 - Published: 4/30/2021 - Sideswipe, Bludgeon, OC, Guardian
Transformers: Another Earth by Daisyle125
When the Depecticon's Time-Space machine failed, a handful of Autobots and Decepticons were transported to an alternate universe where creatures big or small possessed elemental powers that roam the planet. Two young trainers will come across the Autobots and help them find a way to get them back home.
Crossover - Transformers/Beast Wars & Pokémon - Rated: T - English - Adventure/Friendship - Chapters: 8 - Words: 19,423 - Favs: 13 - Follows: 8 - Updated: 2/24 - Published: 1/30 - Optimus Prime, OC
Magic Among Cybertron by EvaShinobiKaiserKnight reviews
A chance encounter between two beings of separate worlds changes the course of history. A boy newly orphaned gains a mother from a world beyond the stars. A soldier veteran of a great war finds something she would fight to protect and ensure the future of. Hear the tale of a Wizarding boy raised by a leader named, Elita 1.
Crossover - Transformers/Beast Wars & Harry Potter - Rated: T - English - Family/Sci-Fi - Chapters: 13 - Words: 109,545 - Reviews: 74 - Favs: 272 - Follows: 319 - Updated: 2/24 - Published: 5/9/2022 - [Elita One, Optimus Prime] [Harry P., Hermione G.]
Shifters of Flesh And Metal by Flameal15k reviews
Two wars are fought in secretagainst extraterrestrials - one involving humans using the ability to transform into animals, the other involving transforming alien robots. Now, however, those two conflicts are about to converge.
Crossover - Animorphs & Transformers/Beast Wars - Rated: T - English - Sci-Fi/Drama - Chapters: 7 - Words: 13,714 - Reviews: 2 - Favs: 5 - Follows: 6 - Updated: 2/23 - Published: 1/30 - Elfangor, Jake, Optimus Prime, Jack D.
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 - Friendship/Sci-Fi - Chapters: 8 - Words: 55,293 - Reviews: 53 - Favs: 53 - Follows: 59 - Updated: 2/23 - Published: 12/22/2022 - Arcee, Optimus Prime, Luz N., Amity B.
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