A Trillion years is a long time for any universe, much less the remnants of Euclidia as it lets lose the slime and chaos of the NickToons. But what will the unlikely arbiter of this new world think when he finally comes home and sees all the good that came from his tragedy?

(it's a crossover between gravity falls, loud house, miraculous, and star vs the forces of evil) while they are the exchange students they will face a problem that can be resulted the end of the world

After Weirdmageddon end The Powerpuff Girls must, rescue Mabel from the unknown dimension. Cover Art by YAKL120DoesArt on Deviantart.

It has been a year after the Florpus fiasco and there is no sight of Zim. Little did Dib and Zim knew that they would cross path once more and meet strange new allies and enemies in the crazy town of Gravity Falls.

In hot water with Emperor Belos Lilith Clawthorne. Leaves the castle and goes to a bar in Bonesborough. At first she eating and drinking alone. Then a man comes in and sits next to her. The two eat and drink for hours. When it's late they go upstairs and share a night of passion. Two months later with Eda's help Lilith realizes that she's pregnant. Will she ever see the man again?

It's summer again in Gravity Falls and an ancient evil has been unleashed that Dipper, Mabel, Wndy, and their friends must face. Luckily a ancient force of good is there to lend a hand and it's power to help and Wendy has been chosen to wield the power of Red Sonja! Will she master the power and save Gravity Falls?

Arnold und Helga sind auf Hochzeitsreise. Leider hat es aber nur für Gravity Falls gereicht. Dort treffen sie auf Menschen, welche vielen von euch bekannt sein sollten. Ob sie sich ihre Flitterwochen so vorgestellt haben? Wahrscheinlich nicht!

AU Years after Weirdmageddeon the 10 that should have formed Zodiac get dreams that Bill will one day return. Ford deicides that the best course to beat him is to be reincarnated. Years later the world is a very different place, with super powers and super heroes. And with the help of 7 ghosts they can find Bill and defeat him once and for all! Please R&R!

Gregory went from being homeless and alone to being a part of a large crazy family. But maybe their insanity is just the things he needs as well as the odd little town he now lives in. It'll take some time to adjust to this new life, but he has hope that it'll be worth it. (A series of connected one-shots of Gregory's time in Gravity Falls with the Pines family. MP 5)

Steven thinks he found a way to take a break from his roadtrip and do something decidedly human- get a summer job. Unfortunately for him, Gravity Falls has other plans. Cross posted from AO3.

"When you wanted a rest," "Say my name that I sent,""Cause I give both of you a live," "In a different form and difference time,""That had your name & power in your original life,""And a stable body and healthy life.""But I will warn you my friend," "Caused people out their want your power, and your love one.""Especially"someone"will like you the moment you step into your new life.

All is well. Peace has been made with gem kind. There hasn't been a conflict in years. But of course, peace never lasts.

Rick and Morty in The Multiversal War Part One: When Worlds Collide (Gravity Falls/Rick and Morty fanfiction) a crossover fanfiction between Rick and Morty and Gravity Falls. In this story, the two groups of characters must team up to stop an old threat from destroying the multiverse. (Takes place in October 2022 to April 2023) eertenip, gab-eci, rats-gnitoohs, rexis, question-mark

What if, instead of Beach City, the Crystal Gems had settled down in a little backwoods town just west of weird? What if, upon coming to Gravity Falls for the summer, Dipper and Mabel were to befriend Steven and Connie? How would they fare against the combined threats of merciless Homeworld Gems and a certain triangular demon? (REWRITTEN!)

We all know just how many adventures the Pines Twins had in the course of just one summer, so just think of how many more the Pines family can have with a decade's worth of summers. Here are just a few stories of all the chaos and family bonding moments the Pines family gets up to in the time between Friends, Family, and Frights and Falling Through the Breach. (MP 4)

When the US government learns from an unconventional source that they are going to receive an extraterrestrial monarch of an inter-dimensional empire, they send their best to the case. Unfortunately, they will have to make due with a pair of twins.

In an exciting story, the theories, observations, and clues connecting Amphibia, The Owl House, & Gravity Falls come together as heroes across time and space must act against a hidden villain and the greatest threats to plague their worlds. The multiverse is on the line, but at the heart of it all are young people just trying to keep their friendships together and not screw it up!

An Interdimensional Demon of some kind called The Corrupter has brought the characters of Dragon Ball Z DC Marvel and JoJos Bizarre Adventure as well as Digimon and Gravity Falls to Our Real World in Kemah TX to be precise, and How can these different Heroes defeat The Corrupter and get back home. Only one way to Find out!

When worlds collide from the work of an Evil Sorcerer, Groups of heroes from two different dimensions must band together to take down their common enemy. (Note that this is just the Legend of Zelda: Hyrule Warriors, but with Regular Show and Gravity Falls Characters.)

(Cover art by Framraw) Kamala Khan was once an ordinary girl working at a summer job at the Mystery Shack. One day, she and her boss's great-nephew stumble upon a journal and a crystal that gives Kamala strange, inhuman powers. Together, she and the Pines Twins must learn the secrets of her powers as well as the mysteries of Gravity Falls.

AU. When Stanford was sucked into the portal, he wasn't expecting a world filled with oceans and pirates. After dreaming of exploring the Grand Line for many years, he joins The Straw Hat Pirates. But what happens and he and the rest of the crew are sucked through a portal back to Gravity Falls? Can they stop Bill's evil plans? Please R&R!

One day Marcy Wu found the music box, she had plans for that, but that plan was throw for a loop when a young Mabel Pines notice the stolen box. Watch as Mabel pines ends up with more than anyone came prepare for, makes friends and enemies alike and see how these actions effect more than just one world. TLDR: Mabel goes to Wartwood instead of Anne. Cover art made by Pumpkiboo.

With the return of Universe Falls, so too does the songfic AU. Like Volume 1 It would feature Songs from either Disney, Non Disney, and Musical songs that would fit with certain characters or events either in story or in its many AUs. Please leave your requests if you have any ideas, whether you are on the site or not leave some ideas and I'll see what I can come up with!

One door. Two twins. Three gems. Everyone knows their stories and how they end. But there is still more to be told. When an unfathomable entity from beyond threatens their homes, our heroes are once again called to action. With the appearance of enemies, both new and old, one question remains: Will the protagonists prevail once more, or will the show really be over this time?

The First Doctor, Vicki, and Steven decide to celebrate Christmas. But as Christmas usually goes for the Doctor, there's always something to fight. Also crossover with Futurama.