Transformers Crossovers
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Hamster and Gretel Transformers by chcu1297
What if the Improbable Duo were the Transformers allies instead Sam. Crazy adventures ensues.
Crossover - Transformers & Hamster & Gretel - Rated: M - English - Humor/Adventure - Chapters: 3 - Words: 8,618 - Published: 8/29/2023 - W. Lennox, Bumblebee, Optimus Prime
Captain Holmes (COMPLETE) by Sboyle92 reviews
Ruby Holmes is not like her brothers in career paths. Instead of becoming a consulting detective, or controlling the government, or whatever the other two brothers do, she decided to join the army. What happens when she is in Qatar the day it is destroyed in the blink of an eye? Will she ever get home to her family?
Crossover - Transformers & Sherlock - Rated: T - English - Chapters: 8 - Words: 11,585 - Reviews: 2 - Favs: 17 - Follows: 11 - Published: 8/29/2023 - OC - Complete
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: 74 - Words: 89,019 - Favs: 7 - Follows: 7 - Updated: 8/25/2023 - Published: 3/6/2023 - Crosshairs, Sideswipe, Sunstreaker, Drift - Complete
Developed Dimesions(Reupload) by silversliced-rain
So someone kindly asked me to repost this story, so to that one person, here you go. It's now all now one chapter because for one I'm lazy and didn't feel like separating the chapters again and for two Fanfiction was being weird. Also I don't remember what the original summary was so...
Crossover - Transformers/Beast Wars & Transformers - Rated: K+ - English - Chapters: 1 - Words: 13,854 - Favs: 2 - Follows: 2 - Published: 8/22/2023
Harry Potter: LifeSpark by LadyLament reviews
Harry just wanted to take his mind off that night, fixing things helped him. He didn't expect any of them to come to life, he didn't expect them to call him Maker and he didn't expect to gain a family of robots. He definitely wasn't expecting his summer to go the way it did, but hey it was better than being stuck in his room the entire time. Incomplete, until muse says otherwise.
Crossover - Harry Potter & Transformers - Rated: T - English - Chapters: 22 - Words: 42,015 - Reviews: 333 - Favs: 1,552 - Follows: 1,738 - Updated: 8/22/2023 - Published: 10/15/2018 - Harry P.
Transformers Cosmic Era by scouttroop reviews
The Cybertronians returns in the Cosmic Era and battles Evil Humans such as Xenophobic Humans and a Planet Eater name Unicron but in time differences will be set aside. In Seed Destiny a 2nd War broke out again as Unicron awaits his Resurrection by pawning people, plus the Autobots return. AU long after the events in TF Dark of the Moon
Crossover - Gundam Seed & Transformers - Rated: T - English - Romance/Sci-Fi - Chapters: 22 - Words: 26,620 - Reviews: 23 - Favs: 13 - Follows: 13 - Updated: 8/18/2023 - Published: 1/13/2021 - [Kira Y., Lacus C.] [Lunamaria H., Shinn A.]
harry potter x transformers by dragons 23
when the war on Cybertron harry who is bumblebee arcee who susan bones moonracer who was hannah abbott they end up going back to hogwarts were the triwizard tournament is to start and the rest of the group come to them by ship
Crossover - Misc. Movies & Transformers - Rated: M - English - Romance/Adventure - Chapters: 2 - Words: 5,128 - Favs: 5 - Follows: 4 - Updated: 7/30/2023 - Published: 7/19/2023 - Optimus Prime, Arcee, Que/Wheeljack
Arietta's Story by SwiftAuditore reviews
I am your ordinary woman when I found myself reincarnated as the main character of Harry Potter. She is stuck with the dursleys until she finds a way to get away from them for good and is adopted by her other uncle. How will the wizarding world cope with a savior who is not going to be pushed around?
Crossover - Harry Potter & Transformers - Rated: T - English - Family/Friendship - Chapters: 10 - Words: 24,192 - Reviews: 39 - Favs: 247 - Follows: 278 - Updated: 7/26/2023 - Published: 12/15/2017 - Harry P., Sam W.
The Loud House: Rise of the Titans by JurassicLincoln reviews
The stories of the Louds, Autobots, Maximals, Terrorcons, Godzilla, and King Kong all come together in an epic crossover event.
Crossover - Transformers & Loud House - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 3 - Words: 16,530 - Reviews: 8 - Favs: 8 - Follows: 6 - Updated: 7/16/2023 - Published: 7/6/2023 - Optimus Prime, Dino/Mirage, Lincoln L., Morag
Transformers vs Misión Imposible by Cristian Lozano
La historia es un crossover entre Misión imposible y Transformers, esta historia ocurre después de Misión imposible: Repercusión y Transformers: el último caballero
Crossover - Mission: Impossible & Transformers - Rated: K - Spanish - Sci-Fi/Adventure - Chapters: 1 - Words: 9,751 - Published: 7/9/2023 - Ethan H., Luther S., Bumblebee, Optimus Prime - Complete
The Sum of their Parts by Grayson Clarke reviews
In 1985, Shield received strange deep space feedback. Soon after, a meteorite crash landed, but further investigation of the site gave the organization no evidence as to what it was. Months passed, several sightings of, something springing up, but Shield could never track down what the meteorite brought. It almost ended up in Shield's cold cases, until later revelations surfaced.
Crossover - Transformers & Avengers - Rated: T - English - Adventure/Friendship - Chapters: 6 - Words: 12,036 - Reviews: 12 - Favs: 54 - Follows: 60 - Updated: 7/9/2023 - Published: 7/24/2021
Bioformers 2, Part 2: Xanthium's Betrayal by Biomarvel740 reviews
In the second half of the Bioformers sequel, Green, Paradox, and their friends must fight harder than before as Xanthium betrays the Toabot cause, to enact a sinister plot for the Makutacons involving a powerful weapon capable of destroying the earth.
Crossover - Bionicle & Transformers - Rated: T - English - Spiritual/Adventure - Chapters: 66 - Words: 254,219 - Reviews: 1 - Favs: 7 - Follows: 7 - Updated: 7/5/2023 - Published: 3/24/2017
Sparkmate by ElizabethMidnight
During the battle of Chicago, a woman appeared. She saw the war & fought w/the Autobots & humans. After the war she is in hiding. While searching for Optimus Prime she meets Cade Yeager. The reason for why she stayed with him becomes clear when he finds a semi-truck that resembles Optimus, her sparkmate.
Crossover - Transformers & Dungeons and Dragons - Rated: M - English - Romance/Adventure - Chapters: 8 - Words: 6,892 - Favs: 1 - Follows: 1 - Updated: 6/29/2023 - Published: 2/14/2023 - Optimus Prime, OC, Bumblebee, Cade Y.
The Second Great War by JSmith25 reviews
In the six years that the Autobots have been on Earth, humanity has enjoyed the most prosperous era in its history. With the Autobots, they had nothing to fear. With the Autobots, they were untouched, untroubled by anything the Universe could throw at them. But then came San Francisco. Then came the greatest threat they had ever faced. Then came the Kaiju.
Crossover - Transformers & Pacific Rim - Rated: T - English - Sci-Fi - Chapters: 18 - Words: 103,274 - Reviews: 130 - Favs: 265 - Follows: 289 - Updated: 6/17/2023 - Published: 3/24/2014
Magical Sparkmate by ChronoQuantify reviews
Samantha Witwicky wants to leave home and experience the world. Now she's forced into an ancient civil war between the Autobots and Decepticons. For an average witch, she thought this would be easy... until the mechs started fighting over her. (Not the best summary but it will change) Fem!witch!Sam/ Reverse!harem (Optimus/Bumblebee/Soundwave/More)
Crossover - Harry Potter & Transformers - Rated: M - English - Romance/Fantasy - Chapters: 16 - Words: 311,371 - Reviews: 281 - Favs: 580 - Follows: 596 - Updated: 6/16/2023 - Published: 7/1/2020
One last ride by unknownCarnifex
Overboost has always been running away from something, The Decepticons, the DJD, her own choices. But now she stopped running and now she will make her stand. Her one last ride before she meets the consequences of choices she didn't know she made.
Crossover - Transformers/Beast Wars & Transformers - Rated: M - English - Adventure/Hurt/Comfort - Chapters: 1 - Words: 1,168 - Published: 6/15/2023
Wakfu x Transformers : La Grande Aventure by Taribluejay
La Confrérie rencontre les Autobots et doivent combattre Megatron et ses Decepticons. Un récit épique rempli d'actions et de violences.
Crossover - Wakfu & Transformers - Rated: T - French - Adventure/Sci-Fi - Chapters: 11 - Words: 1,992 - Favs: 1 - Updated: 5/10/2023 - Published: 5/6/2023 - Amalia, Evangelyne/Eva, Yugo, Tristepin/Sadlygrove
naruto the autobots come back by dragons 23
one day naruto was attack by some people from outside the village were he come uo on a cave were he find the matrix of leaership and become the autobots leader and with the rest of the autobots they will face what is to come in side and out of the village
Crossover - Misc. Movies & Transformers - Rated: M - English - Romance/Adventure - Chapters: 3 - Words: 4,711 - Favs: 2 - Follows: 1 - Updated: 5/6/2023 - Published: 4/7/2023 - Optimus Prime, Megatron, Elita-1
The Hero from Cybetron by Megatronus Uchiha reviews
Once a Man, now a Machine, Overload Prime protects humanity alongside his comrades with the goal of keeping Earth safe from all who wish to harm it. Teaming up with Steve Rogers in the 40s he sees both the best, and the worst of Humanity. Can he stay the course? Or will he fall to the darkness?
Crossover - Transformers & Avengers - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,142 - Reviews: 3 - Favs: 12 - Follows: 16 - Published: 4/29/2023 - OC, Captain America/Steve R.
Death, War and the Autobots by Lucifer'sfox
A cursed god of war and the daughter of death join forces with the Autobots to fight the Decepticons and their new allies. I don't own transformers or the Greek gods
Crossover - Transformers & Mythology - Rated: T - English - Sci-Fi - Chapters: 13 - Words: 5,729 - Favs: 4 - Follows: 2 - Updated: 4/21/2023 - Published: 12/10/2017
Pirates of the Caribbean: Redemption of Jack by psychoalessandro180
Old enmities return to Jack, who as reckless as ever, endangers those he cares about, now without his 'Optimus Prime' armor he must manage to survive and achieve his redemption.
Crossover - Pirates of the Caribbean & Transformers - Rated: K - English - Adventure/Humor - Chapters: 22 - Words: 20,385 - Favs: 2 - Follows: 2 - Updated: 4/17/2023 - Published: 1/20/2023 - Will T., Elizabeth S., Capt. Jack Sparrow, James N. - Complete
Loudformers by dnetmunity reviews
The Loud kids, Benny, Liam, Zach, Stella, Liam, Par, a pair of Leni's student friends, Sid and Adelaide Chang are coming out to earth as giant Autobots but the Decepticons are hot off the trail so they settled between two parts of Michigan but the humans led by Clyde and Ronnie Anne are hold the key to the Allspark as their fate to the entire human revolution.
Crossover - Transformers & Loud House - Rated: K - English - Sci-Fi/Adventure - Chapters: 23 - Words: 15,933 - Reviews: 3 - Favs: 5 - Follows: 6 - Updated: 4/8/2023 - Published: 9/3/2020
Bumblebee and the Power Rangers by KiPocky
Generated by AI ChatGBT Bumblebee new to earth joins the Power Rangers and starts dating Trini yellow ranger
Crossover - Power Rangers & Transformers - Rated: T - English - Romance/Sci-Fi - Chapters: 1 - Words: 17,840 - Favs: 1 - Follows: 1 - Published: 3/27/2023
Transfromers: Multiverse madness by crafordbrian17 reviews
The Autobots (Micheal bay) find a remote that opens portals to other universes, and Megatron has one to find a bigger army. So the Autobots race against their Decepticon foes to prevent them from causing more chaos, and make some new allies along the way.
Crossover - Transformers/Beast Wars & Transformers - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,320 - Reviews: 2 - Favs: 8 - Follows: 6 - Published: 3/25/2023
The New Spark by lightssecret
The war has finally ended and the lives of many innocents have been spared. But the Autobots do not find themselves celebrating the 'truce' that has been formed between them and the Decepticons, knowing very well that it has caused their leader great pain and suffering. Warning This Story contains: Mech x Mech. Mpreg R@ape Suicidal thoughts. Homophobia Bad grammar. ...
Crossover - Transformers & Transformers/Beast Wars - Rated: M - English - Family/Hurt/Comfort - Chapters: 2 - Words: 2,211 - Favs: 1 - Follows: 1 - Updated: 3/19/2023 - Published: 3/8/2023 - Optimus Prime, Captain Lennox, Cody B., Ironhide
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