Cleo and Emma find themselves in an alternate reality as a werewolf and an Original vampire respectively. They will need the help of Elena and everyone to get home. Some of the people though such as Caroline and Tyler have axes to grind with the mermaids' doppelganger counterparts. Will the mermaids ever find a way home to their own reality?

idk what i'm doing with this anymore; if it get some one-shot idea or something it'll be here, i'm sorry. i tried.

Cleo sertori is not a normal girl.her and her friends are ey just turned onto mermaid there freshman year. now it there sophomore ere is a new teacher in town. John is not normal. he is a vampire.he is Cleo sertori teacher.he only drinks mermaid blood because it was the bast.but he didn't know Cleo,Rikki,and Emma are mermaids. but he fall in love with Cleo.

A crossover set in the H2O: Just Add Water universe, with the addition of characters from The Vampire Diaries. Bonnie and Caroline take Elena away on a vacation, to get away from all the supernatural happens back in Mystic Falls. But what they discover on The Gold Coast of Australia changes their lives and the lives of those they meet...

what if Cleo,Emma,and Rikki go and find Hayley and Rebekah and tall them they are their doppelgangers then make them mermaids. what will the gang going to say. (parings) {Klaus and Caroline} {hayley and Elijah} {Damon and Elena} {Stephen and Rebekah} {Bonnie and Kol}

Set during Season 4 of TVD. While exploring the island, Elena, Bonnie, and Rebekah fall into the Moon Pool. After they return home and undergo some changes, they make an alliance to keep their new powers a secret. Luckily for them, Elena's cousin Emma, as well as Cleo, Rikki, and the guys are visiting Mystic Falls after Emma sees them swimming near the island.

Emma Gilbert leaves her mermaid friends in the Gold Coast, and begins her new life in Mystic Falls. Her long lost uncle Grayson Gilbert lives here, or so she thinks. Emma finds new friends, with secrets of their own, and she comes face to face with her dopplëganger Rebekah. In a town with Vampires, Werewolves, Hybrids, Dopplegangers, and Witches, a Mermaid fits in perfectly.

My name is Emma Gilbert, I am a mermaid, and this is my story. I live on the Gold Coast of Australia or at least I did. This story was co written by me and my friend jhajha caboa. ON HIATUS (I hope that's spelled right )

Elena Gilbert finally settled down after traveling the world.It wasn't Australia though. Instead, Emma is brought to Mystic Falls, Virginia. As Emma spends more time in the small town she realizes that maybe there's more to it then she originally believed.What will she do as supernatural story unfolds in front of her? And can she really manage to keep her secret? Damon/Emma

Luckily, Nik never checks

*sequel to H2O: Just add Fangs* Cleo gets her heart broken but can a hybrid lead her to her lost sister?