During the Horcrux hunt, Harry falls into an underground cave, where he discovers a forgotten Cybertronian. How will Harry and Galvatron deal with Voldemort and his minions? What has the future in store for them?

With Cybertron restored, the Autobots believed they can take a breather. But the threat of Unicron still remains. Worse still, old and new enemies unite that threaten the entire universe. The Autobots and their human will need the aid of other heroes as well as unexpected allies to face this approaching doom. For they must work together to survive, or fall one by one.

Despite how little he knows about Jamie, Sideswipe thinks she and Sunstreaker can be friends and help each other. After Sunstreaker agrees it's a good idea, there are many challenges and complications that may result in Jamie and others hating Sunstreaker. Will Sunstreaker succeed in getting Jamie to be his friend?

out there in the galaxy there laids a planet name cybertron. now the shape of the universe will be forged by two waring factions, but what came before the war? Well, we are going to learn that on this journey with Izuku and his friend!

Percy is betrayed and cheated on. After visiting his mom Percy regains his memories of being the heroic and badass leader of Autobots, Optimus Prime.

After leaving Charlie so as to search the stars for their brethren, Bumblebee and the bots return to earth, only to find that it has drastically changed since they were last there. A new enemy was born a few months after they left, Skynet...

A girl, mutated back in the late 1930's, is given a new chance with a new purpose in 1998 when she meets Nick Fury in the dark alleyways of Seattle. From there, her life has changed significantly, and given a task to decipher some alien symbols. Little did she know, that trying to learn more about these symbols will bring extraordinary beings from another world to this one.

Sam meets a group of alien species stuck on this planet, and they're not leaving anytime soon. Sam is not about to look a gift horse in the mouth. Everyone x Sam Romantic &/Or Platonic

The Autobots and the Decepticons were in a cruel and eternal war for more than millions of years. One day, the two sides would arrive in a completely unknown world like the earth where a species of inhabitants called animals lived. At this time, the sides would be at war over the city of Zootopia while the Autobots would be guided to their new home.

with great power comes great responsibility, what will happen to a 16 year old boy attending red fountain school for heroics and bravery? find out in Winx club: When world's collide

After he almost gets killed by his date, Issei, awakes a power that saves him that our being power of the primes.

An unknown threat is coming to earth, Optimus Prime and the autobots have to join forces with the Maximals to stop the threat who is the chaos bringer, Unicron, from coming to destroy the planet. Luckily they have a bunny and a fox to aid them in stopping the chaos bringer and save earth.

The Autobots have followed the Decepticons to another world called Remnant. Here, they find another race of humans, who seem to be completely different from Earth's Humans. Soon, they meet a group of young ladies, who seem to be able to help them in their fight.

What if the Autobots and Decipticons carried their war to a galaxy far far away? Witness what happens when the Republic and the the Confederacy of Independent Systems get involved in the Cybertronian Civil war

In the midst of a diabolical plot made by the Decepticons, Bumblebee gets transported into the world of Tangled! Now transformed into a human with no memory of his status as an Autobot, he befriends Rapunzel on her best day ever.

Changes in the past can always affect the future.

Noah Diaz was just trying to take care of his mom, brother, and the last gifts from his father—his Umbreon and Pikachu. Money was enough of a problem. He did not expect alien robots. TransformersxPokémon crossover.

Transformers and Star Wars Crossover Sequel of Star Wars the Force Awakens

One shot stories from fandoms whether inspired by them or so on.

With the Allspark disperse and Detroit in need of repairs and the Decepticons in hiding, Optimus and his team with Trionix and Luna helping with the clean up got a very unexpected visit from the dimension's Elite Guard and the leader of the Autobots, Ultra Magnus and his team, Sentinel Prime and Jazz. Can Trionix, Luna and the crew keep the twins' secret safe?

After sending the dragon riders back home, Sophia Bright decided to bring in some characters from three dimensions to watch A Sparks' Life That Shines.

Cross posted on AO3: Lance Jay Lennox is a fifteen year old Pokémon trainer from the city of Los Angeles California. Follow his Pokémon journey. Set in his POV, don't forget to R&R!

Over a year after she lost Hugo, Alita has been doing her best to keep moving forward. Then she's thrown into new adventures when a warrior from another world named Optimus Prime comes and warns about an incoming threat that could destroy all of humanity. (Cybertronians in this story are human like cyborgs like Alita but with different technology) Optimus Prime x Alita

Katherine Lennox is sent to live with her uncle and cousin up in Forks. She quickly uncovers the Cullens' secret as well as the wolves and becomes close to them, but will she turn to them for help when parts of her darker past begin to come unveiled? Set in Eclipse and between Transformers and ROTF. DISCONTINUED

What if the Improbable Duo were the Transformers allies instead Sam. Crazy adventures ensues.