Marina doesn't believe in aliens, but when she goes to the Grant Mansion one day, the Celestialsapiens decide to prove to her that aliens are real. Done as a request for guestsurprise. :)

Dan is back! With a new Ultimatrix, new friends, new adventures and villains, Dan's ready to take on any thing! Especially when he and Kate teams up with a group of magical girls and traveling between 2 worlds. And Dan's Gauntlet got some new tricks! Including a mysterious 11th alien. When Dan springs into action, It's not just time to go hero. It's time to go ULTIMATE!

When Twilight is concerned after having odd nightmares about Midnight, she goes to the Grant Mansion and meets four Celestialsapiens who just might be the key to helping both Twilight and Midnight find peace. Sequel coming soon! :)

When the Wearer of the Omnitrix Jackson Moonshade moves from Seaddle to Canterlot he brings all of his enemies with him. The Forever Knights, Vilgax and A new one the Mysterious Cloaked man who wants to Harness the power of the Omnitrix to make an Army and he also has to face the enemies of the Humane 6. He becomes friends with them but feels he must keep his secret from them to pr

When Aggregor finds a way to escape the Null Void, it's up to Sunset Shimmer and the rest of her squadron to put a stop to his dastardly plans! But Sunset's emotions have been rather unstable for a while, so will she be all right when doing this? Time and space are put to the test in this epic adventure! RATED T FOR SAFETY! FEATURING MULTIPLE PAIRINGS! PLEASE READ AND REVIEW! ENJOY

Susan and Mary have made a Portal Technology of their own and send Richard to the MLP Friendship is Magic Universe. Will Find out in Richard's Alien Adventures.

Feeling unappreciated when compared to his Omnitrix wielding cousin, Gwen, Ben decides to become his own hero by taking the new Ultimatrix that Albedo created. When confronted by Paradox and offered the chance to become the hero he knows he can be, he readily accepts this offer. What he doesn't know is that he's going to become a hero in a land full of happiness and magic. ...Whut?

Dan Tennyson thought he was going to have the worst summer ever. But when he finds a strange watch that turns him into aliens, he will have to deal with magic from another realm, alien warlords, madmen, a rival with his own watch, and all sorts of trouble with his aunts and a group of magical girls. He will learn about the magic of friendship as he becomes the hero of both worlds.

The Cutie Mark Crusaders find Twilight's locket and get sent to the Grant Mansion. Done as a request for paradise dazzleshine. :)

Twlight Sparkle goes to the Grant Mansion again and brings her friends this time. How will they fare against the Galactic Monsters? Done as a request for paradise dazzleshine. :)

My version of Ben 10: Hero of Equestria by SaurusRock625. Dustin, Ben, Nega Dustin, Kibbles and Julie arrive in Equestria through strange means. Watch as they make friends, enemies and go on crazy adventures. Ben, Dustin and Nega Dustin gain harems but will be Rated T.

Based on the A-Awsome comics by "Mauroz" When Toon Otaku Bella finds a strange alien device that lets her turn into ten alien heros, she sets out to protect Ponyville from alien and human harm, while Twilight Sparkle after learning she is the reincarnation of a unicorn, must find five other girls who share the element of harmony and the three Tri elements. ITS HARMONY HERO TIME!

When Bens is assigned to a special mission, he isn't ready to find out what it is. Going back to school! Watch as he meets new friends, go up against old enemies, and see how seven girls can change his life. Ben/Harem.

The Princesses of Equestria think they have an idea what it is like to be a ruler, but they haven't got a clue, not even the slightest clue. But maybe Vilgax does.A

After an encounter with Eon, Ben ended up in another world in his younger self's body, WITH his younger self in HIS body! All he can say is that HE HATES TIME TRAVEL. He can also say that he hates it when ponies are angry.

When Dan wanted to get back into adventure after summer was over, his wish was granted when he got transported to a land of magic talking ponies. Now, teaming up with the princess of friendship, her friends and all new allies to take on an evil storm satyr and a broken horn vengeful unicorn, Dan will learn the the magic of friendship is just as powerful as the Omnitrix.

Rachel and Sasha find that the legend of Gaia Everfree is more than just a story when they are visited by her one day.

What if Twilight found a unknown watch deep within the Everfree Forest, and what does it do.

Entering the world of teenagers, Raya Dashilee Tennyson has been no more than your average human girl with superheroes for parents. But she's about to find out that her life may not be as normal as she thinks... What challenges await her as she's witnessing the start of a new era? PLEASE READ AND REVIEW! BEN 10/EQUESTRIA GIRLS CROSSOVER! RATED T FOR SAFETY

Twilight returns to the Grant Mansion and meets two aliens who show her that they aren't dangerous.

CAPÍTULO NUEVO EL DÍA 15 DE CADA MES. Un extraño hechizo de la Princesa Twilight Sparkle sale mal y ella y sus amigas viajan a un hostil y despiadado mundo... ¡Kemeyo!

Twilight makes another device to find out more about portals, but what happens when she suddenly falls into a portal to another world? My first Ben 10/My Little Pony crossover, so please be nice in the reviews.

Welcome to the Friendship Games! As the Wondercolts prepare to take on the Crystal Prep Shadowbolts, something seems amiss… Twilight Sparkle's in the games! As Sunset Shimmer tries to figure things out, Ben and Rook suddenly appear with horrific news! Is the end of the multiverse nigh? THANKS FOR 10,000 VIEWS!

Will everything be all right in the end? As Avatar Korra is now out of commission for the time being on the Omni Force, Ben has to present her new main member status to a new partner, Sunset Shimmer! But while that's going on, who's the masked man tearing up Undertown, on the hunt for alien weapons! Featuring Ben X Rainbow & Rook X Sunset pairings! Big Hero 6 villain within story!

Two immortals. Two worlds. She taught him so much, and he gave her so much. All that is left is the tearful goodbye... for now.