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.
Crossover - My Little Pony & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 38 - Words: 251,875 - Reviews: 18 - Favs: 65 - Follows: 49 - Updated: 11/23 - Published: 3/30/2019 - Princess Celestia, Sunset Shimmer, Max T., OC