Transformers/Beast Wars Crossovers
Filters
2.4K | « Prev Page 1 2 3 4 5 12 .. Last Next »

Attack on Prime by Jacob D. Mercer reviews
Story belongs to melishade. I take literally no credit at all for this story. I just thought this work of art should be out there for people to see. Upon Sacrificing himself to the Well of Sparks, Optimus reawakens on Earth. But this isn't the Earth he knows, but a twisted one inhabited by human eating giants, with himself and a teenage boy as humanity's only hope.
Crossover - Attack on Titan/進撃の巨人 & Transformers/Beast Wars - Rated: M - English - Horror/Mystery - Chapters: 40 - Words: 272,575 - Reviews: 103 - Favs: 372 - Follows: 313 - Updated: 11/6 - Published: 6/21/2020 - Optimus Prime, Eren Y., Hange Z., Erwin S. - Complete
Dragons and Transformers by JungleFurious reviews
Cybertron, home to the Autobots and Decepticons, has been dark for thousands of years. In desperate need for new sources of Energon, the Autobots have scattered across the stars in search for a new world to call home. After eons of searching, a team of Autobots, led by Optimus Prime, may have discovered their new home, but there is more to this planet then meets the eye.
Crossover - Transformers/Beast Wars & How to Train Your Dragon - Rated: T - English - Sci-Fi/Fantasy - Chapters: 14 - Words: 93,793 - Reviews: 27 - Favs: 46 - Follows: 47 - Updated: 11/6 - Published: 8/3/2021 - [Astrid, Hiccup] Bumblebee, Optimus Prime
Transformers: Enochian by Greiji21 reviews
Takes place at the start of episode 6 of the OG EVA, A young boy stumbles to fight in a war against the angels to save humanity, but what humans never realize is that there was another war by a different beings that also took place on the same planet, and fate would arrive that would clash and join as it would be more than meets the eye, will humanity be saved, or be doomed?
Crossover - Transformers/Beast Wars & Evangelion - Rated: M - English - Adventure/Drama - Chapters: 8 - Words: 29,728 - Reviews: 4 - Favs: 14 - Follows: 17 - Updated: 11/6 - Published: 4/22/2021 - [Shinji I., Asuka L. S.] Optimus Prime, Megatron
The Transforming Hero: Primus by Potterformers reviews
in the prolog
Crossover - Transformers/Beast Wars & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Fantasy/Sci-Fi - Chapters: 1 - Words: 1,115 - Reviews: 1 - Favs: 27 - Follows: 28 - Published: 11/6 - Primus, Izuku M., 1-A Students, Camie
Fearless by Jacob D. Mercer reviews
Clark Kent isn't the boy scout we're used to. Instead, he's just as flawed as we are, and he wants what's best for his family. But what is he to do when a race of alien robots tied to a teenager he used to babysit end up dragging him into their war? What he always does. Try his best. Talida Prime and related characters belongs to Icegirl2772
Crossover - Transformers/Beast Wars & Superman - Rated: M - English - Chapters: 15 - Words: 141,246 - Reviews: 28 - Favs: 18 - Follows: 21 - Updated: 11/5 - Published: 8/12 - [Clark K./Kal-El/Superman, OC] [Optimus Prime, Arcee]
Transformers Prime: Star Wars The Clone Wars by Kronos117 reviews
With the War for Cybertron reaching its end the Autobots are forced to leave their home. Optimus goes to another galaxy and requests an alliance with the Republic. After he secures an alliance, the rest of the Autobot forces arrive and tip the scales of the Clone Wars. But are they truly safe from the Decepticons, or will a darker evil emerge more powerful than Sidious himself?
Crossover - Transformers/Beast Wars & Star Wars: The Clone Wars - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 8 - Words: 43,797 - Reviews: 27 - Favs: 34 - Follows: 39 - Updated: 11/4 - Published: 7/3 - Bumblebee, Optimus Prime, Ahsoka T., Anakin S.
Steven Universe: War Of The Beasts! by WOLFWATCHER12 reviews
Takes place after Steven Universe: The Movie. Optimus Primal and the Maximals land in Beach City and Steven, Amethyst, Garnet and Pearl have to help them against Megatron and the Predacons. However, the Black Diamond Empire is preparing to invade the Earth, what could their goal be and what's in wait for Steven? Read on and find out. Story made by me and The Amazing Ghost Musician.
Crossover - Transformers/Beast Wars & Steven Universe - Rated: T - English - Adventure/Sci-Fi - Chapters: 16 - Words: 139,273 - Reviews: 26 - Favs: 29 - Follows: 24 - Updated: 11/4 - Published: 8/31/2021 - Optimus Primal, Cheetor, Steven U., Connie M.
Noble Demon by Anubis Soundwave
On the eve of the year 1989, Megatron presents Optimus with a difficult decision. This inaugurates a year of tough choices. What decisions will be made, and what consequences will arise?
Crossover - Transformers/Beast Wars & Challenge of the GoBots - Rated: M - English - Drama - Chapters: 9 - Words: 102,119 - Favs: 1 - Follows: 1 - Published: 11/4 - Optimus Prime, Carly W., Sparkplug W.
Sunset and the Botbots by XLR8 The Fox reviews
When Sunset becomes a Night guard at the Canterlot Mal, she meets the Botbots, small robots in disguise that love to have fun, becoming friends with the Lost Bots as she does her best to keep their secret and help them get accepted back by the rest of the mall
Crossover - Transformers/Beast Wars & My Little Pony - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,451 - Reviews: 1 - Favs: 6 - Follows: 5 - Published: 11/3 - OC, Sunset Shimmer
Code Prime - R2: Revolution by Iron117Prime reviews
Britannia has fallen, and the Decepticons are well on their way to the complete global domination of Earth. However, hope is not lost. Six months after the failed Black Rebellion, Zero and Optimus Prime have returned to finish what they've started. With their Autobot-Black Knight alliance grown with new additions, our heroes have ever intent on freeing Earth once and for all.
Crossover - Transformers/Beast Wars & Code Geass - Rated: T - English - Adventure - Chapters: 26 - Words: 375,513 - Reviews: 1097 - Favs: 678 - Follows: 609 - Updated: 11/2 - Published: 1/15/2021 - Bumblebee, Optimus Prime, Lelouch L., Kallen S.
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: 3 - Words: 12,682 - Reviews: 36 - Favs: 164 - Follows: 195 - Updated: 11/1 - Published: 7/31 - Bumblebee, Anya Forger, Loid Forger/Twilight, Yor Briar/Thorn Princess
son of snake eyes by electro prime reviews
when one of the kids uncle show up one day rivals jacks family secrets .
Crossover - Transformers/Beast Wars & G. I. Joe - Rated: K - English - Adventure - Chapters: 16 - Words: 53,661 - Reviews: 16 - Favs: 26 - Follows: 20 - Updated: 10/31 - Published: 9/1/2021
Dragons defenders of Berk and Transformers Prime: Beast hunters by coyoteprime1100 reviews
The story still continues with Hiccup and Optimus and their team facing against Alvin and Dagur the Deranged.
Crossover - Transformers/Beast Wars & How to Train Your Dragon - Rated: T - English - Chapters: 13 - Words: 86,736 - Reviews: 40 - Favs: 20 - Follows: 19 - Updated: 10/31 - Published: 2/18/2017
Batman Begins Again pt 3 by Longneck Prime
Over 1 Year Later. Bulkhead and T-Bone return to the old life back home. Thus Bulkhead so takes back his Father's Company and later on make a Hero of the You know who.
Crossover - Transformers/Beast Wars & Batman - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 4,398 - Published: 10/30 - Bulkhead, Bruce W./Batman
Forever is a long time coming by La Pucelle Altre reviews
Being reborn as a Transformer should be one of the coolest things that could happen to the average fangirl. But starting out in the lowest cast as a cold construction before the Cybertronian civil war even began? Now that quickly killed my enthusiasm for the whole thing. Oh right, somehow this is also the Marvel universe as well. I guess leaving for Earth is always an option.
Crossover - Transformers/Beast Wars & Avengers - Rated: M - English - Fantasy/Sci-Fi - Chapters: 7 - Words: 55,760 - Reviews: 137 - Favs: 566 - Follows: 648 - Updated: 10/29 - Published: 1/7 - Megatron, Soundwave, OC, Ancient One
A Place To Call Home by TheEmotionAngel42 reviews
When the Mini-Cons arrived on Earth, they were scattered around Crown City. And these Mini-Cons are looking for a place to stay, luckily a little orphan girl named Annie might just be the one to help them find a home. When fate finds a home for her, it's up to the Min-Cons to help out their friend and protect her as the Decepticons search for them that could put their home indanger
Crossover - Annie & Transformers/Beast Wars - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 1,747 - Reviews: 3 - Follows: 1 - Updated: 10/19 - Published: 12/21/2018
Only Human by Borath reviews
Confronted with a medical mystery amongst the Autobots, Ratchet requisitions House and his team for a consult. Let the snark-off begin. -No pairings-
Crossover - Transformers/Beast Wars & House, M.D. - Rated: K - English - Drama/Mystery - Chapters: 10 - Words: 23,610 - Reviews: 180 - Favs: 208 - Follows: 235 - Updated: 10/16 - Published: 9/7/2010 - Ratchet, G. House - Complete
Different Realities by Blue-Jay1009 reviews
As the Autobots and Decepticon stumble across a strange device that is of unknown origin. As one of their human friends accidentally activates the device it transports the two wagering factions and humans into a different universe where they landed on a dead planet that belongs to an advanced humanity a few years prior to the war with the covenant been over.
Crossover - Transformers/Beast Wars & Halo - Rated: T - English - Drama/Adventure - Chapters: 8 - Words: 15,156 - Reviews: 31 - Favs: 87 - Follows: 103 - Updated: 10/15 - Published: 1/4 - Bumblebee, Optimus Prime, Master Chief/John-117, Cortana
Rosie And The Astrotrain by GreenWiggle2018 reviews
Rosie meets a new engine named Takuro who comes to the Island of Sodor for a trial run, but it's not long before the latter's true colors, and later his true identity, are revealed.
Crossover - Transformers/Beast Wars & Thomas the Tank Engine - Rated: K+ - English - Chapters: 1 - Words: 7,288 - Reviews: 1 - Favs: 3 - Published: 10/15 - Astrotrain, Rosie - Complete
POKÉ WARS by twilightnite13 reviews
Imagine if one of the shots fired by the Axalon messed the Predacon ship's Transwarp jump from Earth to a whole new world. The Maximals and The Predacons are in for a shocking surprise as they begin a war on a rather peaceful planet with wondrous creatures with amazing abilities. Cover Image of POKÉ WARS was drawn by SuperHeroTimeFan
Crossover - Transformers/Beast Wars & Pokémon - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 19 - Words: 113,920 - Reviews: 168 - Favs: 127 - Follows: 107 - Updated: 10/9 - Published: 9/21/2015 - Megatron, Optimus Primal, Ash K./Satoshi, Pikachu
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: 10 - Words: 85,880 - Reviews: 62 - Favs: 225 - Follows: 259 - Updated: 10/6 - Published: 5/9 - [Elita One, Optimus Prime] [Harry P., Hermione G.]
Poke War - Transformers by MilesADChipmunk reviews
Two ships has entering the planet for million of years until it reawaken from its long slumber when they'd scan a local 'animals' from the Enegron reading when one of the ship who met a local lifeform so that they will protect from the evil threat. The war is already started between two aligns and declare itself Poke War. The question is who will win the battle? Good or evil?
Crossover - Transformers/Beast Wars & Pokémon - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 53,183 - Reviews: 17 - Favs: 26 - Follows: 22 - Updated: 10/5 - Published: 5/15/2021 - Megatron, Optimus Primal, Ash K./Satoshi
Serena of Cybertron by Rangerfan58
human raised by robots story, but they don't raise her for part of her life. full summary inside. as always rating is what it is and profile will explain how I choose to rate things
Crossover - Transformers/Beast Wars & Tron - Rated: T - English - Chapters: 3 - Words: 16,699 - Published: 10/3
Transformation of Ever After High by SuperHeroTimeFan reviews
Rowan Twain was considered a failure as the son of Arthur Pendragon. Now, he and his friends, Raven and Maddie, are Throne for a loop when Ever After becomes involved in the war between the Autobots and Decepticons. Now they must find those who are worthy to wield the Power of the Primes to stop a great evil. In order to light their darkest hour, they must fight 'Till All Are One.
Crossover - Transformers/Beast Wars & Ever After High - Rated: T - English - Sci-Fi/Fantasy - Chapters: 18 - Words: 180,000 - Reviews: 69 - Favs: 80 - Follows: 87 - Updated: 10/3 - Published: 5/21/2020 - Bumblebee, Optimus Prime, Raven Queen, OC
YOUNG JUSTICE SEASON 1 by angelv62004 reviews
(TRF humanized) Instead of keeping the Autobots hidden from the world, the government had them join the Justice League. Still being a teenager, Bumblebee joins the other protégés Robin, Aqualad, Kid Flash, and Emerald Lantern.
Crossover - Young Justice & Transformers/Beast Wars - Rated: T - English - Adventure/Friendship - Chapters: 5 - Words: 13,269 - Reviews: 5 - Favs: 1 - Follows: 1 - Updated: 10/2 - Published: 9/24
2.4K | « Prev Page 1 2 3 4 5 12 .. Last Next »