Ben 10 Crossovers
Filters
2.5K | Page 1 2 3 4 11 .. Last Next »

We'll Carry On: An Ochako Omnitrix Story - Volume 1 by Transwiththeplans reviews
Ochako Uraraka finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Cover by @ZebraKnight1 on Instagram
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 97 - Words: 648,079 - Reviews: 142 - Favs: 190 - Follows: 178 - Updated: 3h - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
A Trip to Remember by LG Shala reviews
A shape-shifting alien hero, eager to see the universe after saving it. A human-gem hybrid, burdened by his inheritance, looking to discover himself. When Ben Tennyson and Steven Universe realize they're both going on a road trip, they decide to explore the universe together.
Crossover - Ben 10 & Steven Universe - Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 59,875 - Reviews: 36 - Favs: 37 - Follows: 33 - Updated: 5h - Published: 4/20/2023 - Ben T., Amethyst, Pearl, Steven U.
Amphibia 13! by Vgn Golley reviews
Anne and Dereck were just normal kids enjoying their average lives, until one day, they were forced by their friends to steal a musical box, and a pair of strange watches fell down from the sky as they were then transported into another world. Now watch as the kids live among the Frogs, go on adventures, and learn secrets from their Omnitrixes! Full summary in the first chapter.
Crossover - Ben 10 & Amphibia - Rated: M - English - Adventure/Sci-Fi - Chapters: 19 - Words: 285,110 - Reviews: 125 - Favs: 125 - Follows: 113 - Updated: 15h - Published: 6/1/2021 - [Anne, OC] Sprig, Hop Pop
Steven 10: The Crystal Knight Rewrite by XLR8 The Fox reviews
What would happen when a Human/Gem hybrid gets his hands on the most powerful device in the multiverse? Many things, join Steven Universe as he has adventures with his new friend Trix, to stop Creatures from Earth or Space [This is a Rewrite of the story with the same name made by my friend Blackskull, hope ya'll enjoy]
Crossover - Ben 10 & Steven Universe - Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 34,692 - Reviews: 5 - Favs: 26 - Follows: 20 - Updated: 17h - Published: 8/11/2023 - Ben T., OC, Steven U.
Recovering What Was Lost by CTuTD
Azmuth is tired of how irresponsible Ben is, he has never had a guide and moral compass with the help of paradox Azmuth finds a world where Max is still alive but it is very chaotic. Ozpin is one of the oldest beings existing in Remnant in the past. for thousands of things but now he has been given the opportunity to rescue his family even if they are from another world...
Crossover - RWBY & Ben 10 - Rated: M - English - Drama/Romance - Chapters: 1 - Words: 942 - Favs: 1 - Follows: 1 - Published: 18h - Ozpin, Salem, Ben 23, Team RWBY
Naru10 by angeal666 reviews
after a bad beating Kurama used a Jutsu that sent Naruto into another universe what adventure will the boy have in this universe
Crossover - Naruto & Ben 10 - Rated: T - English - Chapters: 3 - Words: 12,901 - Reviews: 19 - Favs: 81 - Follows: 93 - Updated: 3/31 - Published: 12/31/2023 - Naruto U.
The pirate heroes of the all blue by Artzilla406 reviews
pirates are the scurvy of the seven seas and the most famous ones are the strew hats, but what will happen when four heroes are with them? join ben, Austin, koan and zack as they sail with the luffy and his crew as they find the one piece and fighting the evils of the villains and evil itself.
Crossover - One Piece & Ben 10 - Rated: M - English - Romance/Adventure - Chapters: 35 - Words: 589,351 - Reviews: 10 - Favs: 31 - Follows: 31 - Updated: 3/31 - Published: 7/6/2017
10 Chocolate Bunnies by Anime0CC0Manga reviews
When A Chocolate Bunny Meets A Hero With More Than 10 Aliens (I Own Nothing)
Crossover - Ben 10 & RWBY - Rated: K - English - Humor/Adventure - Chapters: 3 - Words: 3,721 - Reviews: 13 - Favs: 19 - Follows: 22 - Updated: 3/31 - Published: 3/18 - Ben T., Velvet S., Coco A., Tyrian C.
Loud 10 by Smoking Wrecker reviews
Lincoln found this watch that allows him to turn into 10 different aliens. He'll use his new powers for good with the help from Clyde and Ronnie Anne.
Crossover - Ben 10 & Loud House - Rated: T - English - Sci-Fi/Adventure - Chapters: 47 - Words: 112,834 - Reviews: 255 - Favs: 158 - Follows: 131 - Updated: 3/30 - Published: 2/22/2019 - Clyde, Lincoln L., Ronnie Anne S.
Ultra Legion Heroes United (20) by Arsenal10 reviews
when the Novatrons, a species, attempt to rule the multiverse and shape it to suit their purposes. In order to save the multiverse from the Novatrons, Ben Tennyson and the other worldly superheroes must stop them. It's time to unite Ultra legion.
Crossover - Cartoon X-overs & Ben 10 - Rated: K - English - Adventure/Supernatural - Chapters: 7 - Words: 52,189 - Reviews: 9 - Favs: 8 - Follows: 8 - Updated: 3/30 - Published: 3/18 - OC, Ben T., Prof. Paradox
Ultimate Alien: Primarch Force by Pravus666 reviews
What happens when in a Hail Mary to destroy Vilgax in their final battle, that Ben is sent hurtling across space-time throughout the Omniverse; and finds himself not only in a different one entirely...but 30,000 years in the future...Well, strap in as Ben enters into the Great Crusade and battles against the Ruinous Powers. Rated M for Mature Themes and Violence.
Crossover - Warhammer & Ben 10 - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 46,368 - Reviews: 40 - Favs: 85 - Follows: 103 - Updated: 3/30 - Published: 3/16 - Primarch/s, Ben T., Gwen T.
Ben 10 Young Justice by Asistis55 reviews
Eon's the main threat and his villain team. Eon plots to obtain the anti-life equation in order to be able to defeat Alien X, however, Eon will prove to be a formidable enemy to the Light/Apokolips. Eon will end up being an arch nemesis to Vandal Savage. Ben will get to meet the League/Outsiders eventually. Ben/Elena V Paring eventually
Crossover - Ben 10 & Young Justice - Rated: M - English - Adventure/Romance - Chapters: 4 - Words: 17,298 - Reviews: 8 - Favs: 17 - Follows: 17 - Updated: 3/30 - Published: 3/13 - [Ben T., Elena V.] Albedo, Eon
Something Alien in Remnant by PhantomPilgrim reviews
After a skirmish and a malfunction with Vilgax and Albedo in an Alternate Timeline; Jason Moss was thrown from his own time and space and into a new world altogether Jason must now try and find a way back home; using the Omnitrix thrust upon him by his teacher and whatever he could find in a world of Grimm, Huntsman and teenagers with superpowers
Crossover - Ben 10 & RWBY - Rated: T - English - Chapters: 6 - Words: 27,016 - Reviews: 9 - Favs: 21 - Follows: 21 - Updated: 3/30 - Published: 10/9/2023 - OC, Ruby R., Weiss S., Blake B.
Rito 10 by Mister Phoenix - Deltora reviews
Rito Yuuki thought his life wouldn't get strange when he was ten and a comet came down to Earth on that starry Friday Night. But now, at the age of fifteen, and is known as the Galaxy's Greatest Hero. There's one minor problem, he can't confess to his childhood friend, Haruna. And to make matters worse, he somehow ends up engaged to the Princess of Deviluke. (Full Harem in Ch: 2)
Crossover - Ben 10 & To Love-Ru - Rated: M - English - Romance/Humor - Chapters: 11 - Words: 68,122 - Reviews: 48 - Favs: 168 - Follows: 180 - Updated: 3/30 - Published: 5/25/2023 - [Lala S. D., Haruna S., Gwen T., Rito Y.]
10 Piece by AutoHunterJ49 reviews
Many years ago, The princess of Alabasta made a chance discovery of a mysterious device that stuck itself upon her wrist with secrets that it hid. Unaware that this strange device had the capability to change everything not just for her kingdom but the whole world.
Crossover - One Piece & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,334 - Reviews: 2 - Favs: 7 - Follows: 8 - Published: 3/30 - Luffy, Vivi, Strawhat Pirates
Ben 10 meets DC Superhero Girls Rise of the Beast by skipper.weinkauf reviews
Here we will see the heroes return with a whole new adventure, and old foes will tried to take over the multiverse
Crossover - DC Super Hero Girls & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 20 - Words: 35,467 - Reviews: 35 - Favs: 15 - Follows: 16 - Updated: 3/30 - Published: 9/12/2023 - Kara K./Supergirl, Ben T. - Complete
Ben 10 RWBY Volume 2: Ultimate Omniverse by The Omni-Remnant reviews
Having returned from a massive adventure in the world of Remnant, Ben, Team RWBY, and the rest of their friends find themselves faced with new challenges at every turn on Earth. Be it villains old and new… or even things that they never imagined to be real. It's going to be a challenge unlike any they've seen before, but they're up for it. It's Hero Time! (Cover Art credit inside)
Crossover - Ben 10 & RWBY - Rated: T - English - Adventure/Romance - Chapters: 88 - Words: 1,243,287 - Reviews: 1746 - Favs: 726 - Follows: 686 - Updated: 3/29 - Published: 4/4/2021 - [Ben T., Yang X.L.] Gwen T., Ruby R.
Guardian Digimon Book 1 Guardian of the Sea Remade by Redwallfan2000 reviews
When several evil organizations start disappearing and being quiet, Sailor Sun makes the risky choice choosing six heroes on Earth to prevent an evil Digimon's return by searching out the four special Mega Level Digimon known as Guardian Digimon. The Guardian Seekers begin their mission by searching for the first Guardain of the Sea.
Crossover - Digimon & Ben 10 - Rated: T - English - Adventure/Romance - Chapters: 15 - Words: 113,751 - Reviews: 27 - Favs: 14 - Follows: 12 - Updated: 3/28 - Published: 12/7/2023
Lost Hero by FrogToaster reviews
Ben Tennyson just started his hero career at the age of 10. But he already has a pretty interesting list of villains he faced during his summertime. Many wanted to get their hands on the alien watch, Omnitrix. But today he faced the villain that aimed not just his watch but himself, Eon. During their battle they traveled through dimensions into new world, full of alot of new things
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure - Chapters: 5 - Words: 13,582 - Reviews: 26 - Favs: 57 - Follows: 71 - Updated: 3/27 - Published: 2/19 - Ben T., Eon, Bruce W./Batman, Alfred P.
Justice x 10! by DrKhronicler1999 reviews
Celebrating the defeat of Maltruant and exploring the newly created universe, Ben soon finds that his victory came at a great cost. Space-time distortions have begun appearing across the multiverse, one of which has whisked Ben out of his universe and into a world filled with super-powered heroes! Can Ben adapt to his new life and find a way back home, or remain trapped?
Crossover - DC Superheroes & Ben 10 - Rated: T - English - Romance/Sci-Fi - Chapters: 1 - Words: 1,599 - Reviews: 3 - Favs: 18 - Follows: 23 - Published: 3/27 - [Kara Z./Supergirl, Ben T.] C. Kent/Kal-El/Superman, Prof. Paradox
Demon school, Meet the agent of Chaos by Artzilla406 reviews
Koan, ryuko and the group has finished Honnōji Academy and defeated their enemy. But their next school is fill with demons along their new friends. irumi sukuzi, the step grandaughter of a demon. Now the agent of choas will make the demon school goes upside down and face old and new faces of enemies return"
Crossover - Ben 10 & Welcome to Demon School! Iruma-kun/魔入りました!入間くん - Rated: M - English - Supernatural - Chapters: 4 - Words: 55,842 - Reviews: 3 - Favs: 12 - Follows: 13 - Updated: 3/27 - Published: 5/13/2021
Rise of The Ultimates by StormWolf150 reviews
What if four young heroes were forced to move from their hometown? That is what happens to Ben Tennyson, Danny Fenton, Kim Possible and Jake Long, who are all relocated to Tremorton at the age of eleven. What if they were to become friends? What if they become a team down the road? How will a certain robot girl react when she comes into the picture?
Crossover - Danny Phantom & Ben 10 - Rated: T - English - Adventure/Drama - Chapters: 1 - Words: 965 - Reviews: 7 - Favs: 13 - Follows: 11 - Published: 3/27 - Danny F., Ben T.
Dragon Ball: Omniversal Deviation by Camdor reviews
Ben Tennyson is a hero. No doubts about that. He has fought his worlds gods and demons. But how will he cope against another realitys?
Crossover - Dragon Ball Z & Ben 10 - Rated: T - English - Adventure - Chapters: 11 - Words: 12,167 - Reviews: 14 - Favs: 51 - Follows: 44 - Updated: 3/27 - Published: 9/23/2020 - Ben T.
Ben 10 x RWBY: Of Gemstones and Watches by Transwiththeplans reviews
Ben Tennyson meets Ruby Rose during his summer break, and picks up both the Omnitrix and a thrill for action. Along the way, Ben discovers new alien forms, develops new techniques to use in battle, and a blossoming romance, while also forging close bonds with his new friends. But can he and his friends handle being thrust into a conflict between good and evil? (Cover by elmike)
Crossover - Ben 10 & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 181 - Words: 1,388,339 - Reviews: 535 - Favs: 700 - Follows: 677 - Updated: 3/27 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
A Hero's Life Reboot by Feedbackblast18 reviews
During a battle with Vilgax, a freak weapon malfunction has duplicated and sent 11-year-old Ben Tennyson to another Earth, altogether. Now, not only does he have to get used to this new world, where he is found by 3 teen spy girls, but also figure out how to use the Omnitrix after it rebooted and back to 10 aliens again! This AU Ben has a different middle name from Ben Prime.
Crossover - Totally Spies & Ben 10 - Rated: K+ - English - Humor/Sci-Fi - Chapters: 34 - Words: 208,779 - Reviews: 47 - Favs: 54 - Follows: 50 - Updated: 3/26 - Published: 9/21/2023 - Alex, Jerry, Ben T.
2.5K | Page 1 2 3 4 11 .. Last Next »