After his failure costs the lives of hundreds, an 18 year old Ben Tennyson sets out to master the Omnitrix. But when a new foe begins gathering his greatest enemies, Ben must return from his training to stop them before it is too late. With the help of some of his closest allies, plus an old flame, can Ben stop the threat? Or will he fail once more?

This is a lemon filled story which has a couple OC's with their own Omnitrixes as they go from planet to planet to learn more about various species of aliens... like Azmuth intended instead of the Omnitrix being a weapon... expect lemons galore and many crossovers too many to count as a crew on the Rust bucket IV travel the stars... inspired by various fanfics and other sources

We know how this old story goes, a 10-year-old boy goes out to a forest when a strange watch from space goes and attaches to his wrist. Well, this is much the same though his aliens are a little well...'different' this time around, also he doesn't become them but summons them as his new crime fighting partners!

I should've done this months ago, but it's my fault for forgetting. This is my earnest reaction to Power Master's Ben 10 True Omniverse Message, which announced the series' (now temporary) cancellation. The 2nd chapter covers additional topics that I couldn't in the 1st one, and a 4th one announcing True Omniverse's un-cancellation. Rated T for some coarse language

Vanessa Cunningham was expecting to go on a normal summer vacation with her childhood best friend and his family, but that all changed when an alien space pod crashes down on their campsite while carrying a pair of strange devices called 'The Biomnitrix'. Now Ben and Vanessa go on epic adventures of fighting supervillains, monsters, sorcerers, aliens, and all sorts of other things.

What started out as the worst summer ever turned into a strange adventure when a pod shows up carrying a weird girl and an even weirder watch. Now with the Omnitrix stuck to Ben's wrist and being hunted by Vilgax and his lethal 'children', this was definitely going to be an interesting summer.

What's better than having one little slut all to yourself? Having two little sluts all to yourself. (Lemon warning)

An alternate retelling of the Ben 10 universe under the perspective of teenage troublemaker Alex Mathers, armed with an Omnitrix, he’s willing to take on anyone and anything.

When Gwen is told Ben has a new girlfriend some time after a bad breakup with Julie, she is at first overjoyed but then becomes more than shocked as to who it is and refuses to accept that the relationship is real. Set one year after the finale of Ultimate Alien.

2 Años después de los sucesos en Omniverse, un viejo enemigo se alza, esta vez dispuesto a arrasar con quienes le pusieron contra las cuerdas años atrás, pero la interferencia e influencia de un nuevo aliado para nuestros héroes dará tiempo para forjar alianzas, algunas mas fuertes e intimas que otras. Un pintoresco grupo de héroes, antihéroes y villanos unidos contra un mal mayor.

The continued misadventures of Ben Tennyson and his friends, fighting against spiraling crime, ancient dangers, and rising villainy.

The past is prologue, goes a saying. For Gwen Tennyson, this is about to be painfully true. OR: A tentative fix-fic for the Dagon arc of UA, entirely unbeta'ed.

It started when an alien device did what it did and stuck itself upon a wrist with secrets that it hid. But this isn't the story of some ordinary kid. Whose wrist does the alien device find itself upon? How will the device allow itself to be used? And what will become of it and its user? (A Ben 10 CYOA; Cross-Posted On AO3)

It's been three years since Ben and Gwen had their Summer vacation across the country but, as the years pass they find themselves resembling the bleak future timeline they visited on that trip; is it possible to change your own destiny? How will the duo react to the growing feelings betwixt them? Follow Ben and Gwen into adulthood as they explore their relationship! Bwen! Season 5!

After their secret is revealed, Ben and Jen are moving on to new adventures with their new Ultimatrixes providing tons of new possibilities. Certainly going to be a help with the many dangerous trials awaiting for them.

Ben Tennyson never expected his life to turn into a disaster of such magnitude, but from the moment he met Asmud, he knew that at the end of the day, his surname not only carried the history of being people with the breadth of effort to be heroes... Also the fortunate/unfortunate ability to be a gallantry with aliens of all types... For heaven's sake, somebody save this kid...

Summary: After the incident with Sunny. Gwen is upset with Kevin so he decides to make it up to her in a romantic way

Ben was looking forward to going on this road trip. Camping, new sights, smores, no school, Aliens, his dweeb of a cousin... wait what? Turns out, it was gonna be something no one on earth ever thought of experiencing. He has no idea how he is gonna handle all the new additions to his life. How do you talk to girls, especially alien girls from a watch? (Eventual Bwen)

I was bored so I made this. Ben is a girl and trades places with Kevin. Kevin has the Omnitrix and is good, Jen has Anodite power and is bad.

La negación de un deseo que estaba grabado de principio a fin dentro de alguien no es más que la espera para el punto de inflexión. Al quebrar la voluntad de luchar solo queda el deseo a tomar, y el amor a expresar. Ben x fem Albedo. Imagen de portada es del artista @Alexcireborn que está en twitter. #chaquetrix

After "They Lurk Below" Eddie Grandsmith joins the Tennysons on their summer road trip.

What if there were two Omnitrixes instead of one? It got into the hand of an Orphan girl. She started to spend her summer experience with a certain Heroine named Jennifer Tennyson. Story contain: FutaOCxFemale Harem, Gender bender, Girl on Girl, Pregnancey and crossovers

Set After Vengeance of Vilgax. Ben soon gets word of a Poacher kidnapping fourteen Necrofriggians and leaps into action. After his team rescues his babies, Ben decides it's better for them to return to Earth and be raised there due to them having more humanity in them, causing other Necrofriggians to isolate them from others of their species. Do not own Ben10.

Cuando Benjamin Kirby Tennyson salió en un viaje de verano por todo el país con su Abuelo y su prima, no espero quedar atrapado de la nada con un reloj por el cual podía invocar un equipo completo de heroínas y ser su "asistente de héroe" para salvar a la gente y tener el mejor verano de su vida. Si tan solo pudiera hacer algo con su diseño para niñas, las cosas serian perfectas.

Ben and Helen prepare to go on a date while Psyphon and Inspector 13 makes a plan with two of Ben's old frenemies to acquire the generator back from Argit.