Star and Marco were going through dimensions and had got stuck in gravity falls they meet Mabel and Dipper and it takes place in the episode "Carpet Diem".

Basil's older sister, Emily, is getting married. To none other than Ratigan. However, his side that's marrying Basil's sister out of love is in the way, so he consults Bill Cipher.

A silver blur shows up in Gravty Falls and Wendy knows it! Sorry for the bad summery

A story is what you seek, and that is also probably what you will find in this, assuming you actually went to this URL with that in mind. I have no idea where this story is going, so at least this adventure has potential to be surprising.

Rose's efforts at teleportation go awry, landing her in Gravity Falls, Oregon. WARNING: Contains Homestuck and Gravity Falls spoilers. Some plot elements from each world are tweaked a little to suit the story.

Being friends with a two-dimensional glowing yellow demon that looks like a cross between a cool ranch dorito and the illuminati symbol has both it's advantages and it's disadvantages.

Stan, Kyle, Cartman, Butters, Kenny and Karen are sent by their parents to spend the summer with Stan's great uncle Stan in Gravity Falls, Oregon- where they meet the other kids staying with him at the Mystery Shack, Mabel and Dipper. Demons and Cthulu are involved!

The Dazzlings are misunderstood. I'm their baby sister. The Pines Twins meet us and we become friends. But we'll face a familiar evil : Sunset Shimmer , Glowie , and Annie...

He didn't know who he was or where he came from. He only had the clothes on his back, a giant sword and his name. Naruto Uzumaki. The strange town of Gravity Falls drew him in for a reason, and he will find out why. With the Mystery Twins of Gravity Falls helping him it will only be a matter of time before his past is revealed. But sometimes the past is better left forgotten.

Ferb has spent the past eight years living with an accident he couldn't prevent. But when tragedy strikes a second time, he finds his life turned upside down and discovers that letting go might be the hardest thing of all.

Wendy's been kidnapped by the Mad Doctor! And only Dipper can brave Xanth to save her! But is xanth ready for him?

One fateful summer dipper pines and his faithful Tofu Az Find a book...and so much more...

It's finally happened. The world is starting to deteriate and Jeff finds himself, along with his friends smack dab in the epicenter. An outbreak of horrific proportion has started to take the city of San Francisco and Jeff along with his group of friends, Marceline, Bonnibel, Finn, Dipper, and Mabel must do whatever it takes to survive.

Dipper and Mabel Pines' grandfather has disappeared without a trace. 6 years later, they're ready to go back to Gravity Falls, and find out what really happened. But a mysterious force seems to be stalking them from the vast woods of the town, and it may be behind their grandfather's disappearance.

Darth Vader has finally tracked down his old master! On a backwater world, in an odd town...with even stranger inhabitants. Post-"The Inconveniencing" AU!

Society of the Blind Eye AU! Mabel fools around...So of course this end with MIB being destroyed...And the existence of aliens exposed to the world! Will you never learn Mabel?

After exploring a bridge between their world and the town of Gravity Falls, Petra and Levi get trapped in the strange Oregon town after their portal vanishes. With the help of Dipper and Mabel, they must find a way back home. But when titans start appearing in Gravity Falls, it's apparent that getting home isn't the only thing Levi and Petra need to worry about.

Dipper decides to use a ritual from the journal that will summon and bind a guardian spirit to him for his protection. Unfortunately since Dipper didnt specify a spirit, he randomly summoned one. Danny falls under the definition of "guardian spirit". Danny is now stuck bound to Dipper. AU created by ectoimp. Cover art by the talented fluffythehedgehog12.

When Dipper and Mabel desire to go adventuring beyond Gravity Falls, they follow the Journal's instructions leading them to Ooo. But when they regret doing so, they try hard to get back home, but they instead have to go through other dimensions just to do so. Will they get back home? Keep calm and read on!

10 years after their first meeting, a reunion of the Mystery Kids leads Dib and Mabel to realize, and act on, their feelings for each other. One-Shot Lemon. Part of my crossover headcannon, further explored on my Deviant art page: :/ invader-sam . deviantart . com / gallery /

Hiro is going through Tadashi's lab after the incident and comes across something, and someone, unexpected. HIATUS

Steven Universe X Gravity Falls. A chance encounter with a dysfunctional warp lands the Steven Universe and the gang in the mysterious Gravity Falls. They'll need to enlist the aid of Dipper and Mabel if they want to get home, but not before they help them solve a mystery of their own.

When Katie finds a triangle laying on the road on her walk home from work in Gravity Falls, she rescues it. Now she's stuck with the most annoying thing she has ever encountered. Bill isn't the only creature pestering her. Something else has taken notice, and is creeping in the night to fulfill its own purpose.

A One-shot series for my newest AU: Celestial Falls! Follow the misadventures of Prince Dipper and Princess Mabel! OFF HAITUS! *One Shot Today: Birthday Bash*: Wendy has a birthday coming up, and Dipper's looking for a gift. In order to help, though, he asks an unlikely assistant... a demon assistant.

Technically a Star Wars/Star vs. the Forces of Evil/Gravity Falls crossover. A new threat arrives in Gravity Falls, and it's up to Dipper and Mabel to confront it. One-Shot.