Transformers/Beast Wars Crossovers
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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: 179 - Favs: 208 - Follows: 235 - Updated: 10/16 - Published: 9/7/2010 - Ratchet, G. House - Complete
warriors reincarnated by Thorimus reviews
The war between autobots and decepticons is forever changed by the apparition of the reincarnations of the most powerful warriors who ever existed on earth
Crossover - Transformers/Beast Wars & Game X-overs - Rated: M - English - Adventure/Sci-Fi - Chapters: 15 - Words: 49,172 - Reviews: 13 - Favs: 17 - Follows: 17 - Updated: 10/16 - Published: 12/12/2020 - [Arcee, Jack D.]
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: 30 - Favs: 84 - Follows: 101 - Updated: 10/15 - Published: 1/4 - Bumblebee, Optimus Prime, Master Chief/John-117, Cortana
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: 21 - Words: 89,878 - Reviews: 26 - Favs: 113 - Follows: 118 - Updated: 10/15 - Published: 4/30/2021 - Sideswipe, Bludgeon, OC, Guardian
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: 2 - Published: 10/15 - Astrotrain, Rosie - Complete
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: 8 - Words: 25,646 - Reviews: 4 - Favs: 7 - Follows: 6 - Updated: 10/13 - Published: 5/19 - Bumblebee, Optimus Prime, OC, Nagisa S.
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: 126 - Follows: 106 - Updated: 10/9 - Published: 9/21/2015 - Megatron, Optimus Primal, Ash K./Satoshi, Pikachu
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: 53 - Words: 93,936 - Reviews: 81 - Favs: 72 - Follows: 72 - Updated: 10/9 - Published: 7/1/2019
A Hero in the Beast Wars by Ripple247 reviews
Izuku wished he could help others and be a hero. Though circumstances have brought him to a new town he gets his wish, when a shooting star, changes his life forever. The Beast wars are here and they'll need Izuku's help to save the world. Please review and follow.
Crossover - Transformers/Beast Wars & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 3 - Words: 24,171 - Reviews: 11 - Favs: 30 - Follows: 33 - Updated: 10/8 - Published: 10/1
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: 219 - Follows: 254 - 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: 53,170 - Reviews: 16 - Favs: 25 - Follows: 21 - 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: 79 - Follows: 86 - Updated: 10/3 - Published: 5/21/2020 - Bumblebee, Optimus Prime, Raven Queen, OC
Bioformers by Dragon Emperor0 reviews
Bionicle crossover. In his last moments, Primus created a legacy that would come to be his greatest heir. Enter Tiberius Darwin AKA Creator, the first Bioformer. But when he loses his memory after crash landing and turning into a human baby, what will happen when his power is revealed and is discovered by the Decepticons? Will it spell disaster? Only time will tell.
Crossover - Transformers/Beast Wars & Bionicle - Rated: M - English - Sci-Fi/Romance - Chapters: 26 - Words: 110,255 - Reviews: 38 - Favs: 61 - Follows: 57 - Updated: 9/29 - Published: 10/6/2020 - [OC, Miko N.] [Optimus Prime, Elita One]
Transformers: Autobot's Rising intro by AutoHunterJ49 reviews
After 4 million years of fighting, the Decepticons forced the Autobots to leave Cybertron and find a planet to regroup. Unbenounnce to either faction this action will change everything forever.
Crossover - X-overs & Transformers/Beast Wars - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 298 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 9/29
Thats no LAM! A Cybertronian's Adventures in the Inner Sphere by IReadToLive99 reviews
Jetfire saves a critical section of the Ark, at the cost of his safety. Knocked-out, he like many others are sucked into the destabilized portal.
Crossover - Transformers/Beast Wars & Mechwarrior/Battletech - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 6 - Words: 11,688 - Reviews: 8 - Favs: 9 - Follows: 13 - Updated: 9/25 - Published: 8/23 - Jetfire, OC
Transformers: Prime: The Fifth Relic by Artemis235 reviews
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: 1 - Words: 2,503 - Reviews: 1 - Favs: 4 - Follows: 6 - Updated: 9/24 - Published: 9/15 - Optimus Prime, Ratchet, Adora/She-Ra
Bakugan Cyber Alliance by TopModelCollectorY2K reviews
The Awesome Ones get dragged into a war between two factions. And, unfortunately, this can't be solved with a Bakugan Brawl. (This is set in the reboot Bakugan continuity) (rated M for foul language, death, reference to real world events and themes).
Crossover - Transformers/Beast Wars & Bakugan Battle Brawlers - Rated: M - English - Adventure/Sci-Fi - Chapters: 7 - Words: 3,934 - Reviews: 2 - Favs: 3 - Follows: 2 - Updated: 9/21 - Published: 3/28 - Bumblebee, Optimus Prime, Dan K., Drago
A Spark Half on Loan by Twisted Fate MK 2 reviews
Shockwave has fought in the darkness for eons. Longer, in fact, than many races have existed. He has outlasted even ideologies that lasted as long as some species' existence. Now, in the darkness of exile, what waits for him? Peace at last, or war? Freedom, or subjugation? (Set in the IDW comics, Fanfic/AO3 does weird sorting for TF)
Crossover - Transformers/Beast Wars & RWBY - Rated: M - English - Adventure - Chapters: 41 - Words: 143,162 - Reviews: 308 - Favs: 408 - Follows: 462 - Updated: 9/20 - Published: 11/7/2021 - Shockwave, Ghira B., Kali B., Sienna K.
Ben 10 True Omniverse Season 4 by Power Master reviews
ARC 4: Cyberverse Adventure - After discovering that she's actually a Cybertronian, Julie and her team embarked on the quest to seek out the lost robotic civilization for answer behind her origins. However, they soon find themselves caught in the war between three factions - Autobots, Decepticons and Quintessa's. Which faction Team Ben should allied and join?
Crossover - Ben 10 & Transformers/Beast Wars - Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 352,231 - Reviews: 23 - Favs: 63 - Follows: 56 - Updated: 9/19 - Published: 1/23/2021 - [Julie Y., Ben T.] Optimus Prime, The Quintessons
Naruto The Autobot by zzdragon reviews
What if at the Valley of the End Naruto & Sasuke was transwarp to the world of Transformers
Crossover - Transformers/Beast Wars & Naruto - Rated: T - English - Adventure/Family - Chapters: 3 - Words: 9,003 - Reviews: 13 - Favs: 53 - Follows: 46 - Updated: 9/18 - Published: 4/29/2013 - Optimus Prime, Naruto U.
Monster Hunter: Beast Wars by jackattack999 reviews
a Maximal crew tracks down a Predacon ship and both ships travelled to the monster hunter universe. now with powerful beast forms, the Maximals will protect this planet from Megatron and his Predacons with the help of 2 human allies. welcome to the beast wars. (contains transformers prime elements & beast wars version of tfp episodes)
Crossover - Monster Hunter & Transformers/Beast Wars - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 26,953 - Reviews: 3 - Favs: 22 - Follows: 15 - Updated: 9/17 - Published: 6/23 - [Miko N., Sari S.] Megatron, Optimus Primal
Transformers: Prime: Knight of the Transformers by Artemis235 reviews
While out searching for Energon, Optimus and Jack are ambushed by the Decepticons. They escape but Prime is severely injured and with no way to contact the base for help, they were on their own. That is until a human with a Black Trans-Am came along and offered to help. Will the stranger discover the Autobots secret? Can Jack trust these new people? I DO NOT OWN ANYTHING!
Crossover - Transformers/Beast Wars & Knight Rider - Rated: K - English - Chapters: 3 - Words: 6,928 - Reviews: 2 - Favs: 7 - Follows: 10 - Updated: 9/17 - Published: 9/6 - Optimus Prime, Jack D., KI2T, Michael K.
A Spark Of A Hero by Pixel's Fanbook reviews
A centuries-old war had led to a planet's death and its inhabitants, a species of sentient, living robotic beings originating from the distant machine world of Cybertron. This war led to Earth where one boy: Izuku Midoriya, unknowingly enters him and his planet into the war when he picks up a strange blue crystal while training on the beach one day.
Crossover - Transformers/Beast Wars & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,392 - Reviews: 24 - Favs: 97 - Follows: 111 - Published: 9/16 - Bumblebee, Optimus Prime, Izuku M., Mei H.
Game of Cons by Blackace12 reviews
Just when his victory slipped away, Megatron along with others got transported to another world and were reincarnated as humans. Will the Decepticons rise to power or will they fall? In the Game of Thrones, you Win or you Die and Megatron won't go down easily
Crossover - Transformers/Beast Wars & Game of Thrones - Rated: M - English - Fantasy - Chapters: 8 - Words: 36,630 - Reviews: 42 - Favs: 92 - Follows: 123 - Updated: 9/16 - Published: 11/22/2020 - Megatron, Shockwave, Soundwave
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