When Doof decides to go to Gravity Falls for some "fresh air," he discovers a strange journal of the supernatural. Meanwhile, Perry makes sure the Flynn-Fletcher family follows him there, where Phineas and Ferb team up with their new friends Dipper and Mabel to explore more anomalies. However, fun becomes sinister when Bill Cipher tricks Phineas into making a dangerous deal.

An old book I wrote a few years back. It has my real name and everything ;3

my version of the triangle enigmatic idea that someone never finished

When the Phineas and Ferb cross over to gravity falls just know bill is watching all

The Pines family moves to the second weirdest city in America after the summer is over, and Dipper reports some of his findings to Uncle Ford.

After getting half blueprint Dipper he has to find the other student with the other half, and after funding the other student, Phineas they build it and accidentally unleash monsters from classic literature on their campus. Inspiration for is was a video by Deadpoolzilla

A tale of magic and monsters with our protagonists being the well known crew of Phineas and Ferb and the Pines twins ; Mabel and Dipper all in the beautiful backdrop of Hogwarts . Has OC... no pairings.

Several years after Weirdmageddon, Bill Cipher returns to reek havoc on those meat bags called humans. However, his awakening has brought unwanted attention from a long lost soul, his brother. Will Bill succeed, or will he be defeated by his own past.

When Mabel hears Dr. Doofenshmirtz's backstory, she decides something needs to be done. If that something ends up being dragging Heinz all the way to City Hall so the brothers can talk it out, well, she's seen it all before. Grudge holding family members are nothing new for her, and with Perry's help she's sure she can fix these broken teacups.

While out in the woods, Dipper and Ford encounter something strange. Set sometime after DD&MD. Oneshot.

Whan Dipper and Mabel are sent to attend Daville Highschool for the year, they meet many new friends and encounter old enemies. And what happens when one of the biggest threats from the past return and barge in their lives again? They call on help from two young boys, one with a huge secret. AU!Phineas(sorta, you'll see) Bkglv!

I have to make my first fanfics amazing, fuzz balls (I call people that im weird, sillies) its about well read but related stories on the way love you (in a brotherly sisterly in Christ way)

As Phineas and his friends travel on vacation to Gravity Falls, they meet the Mystery Twins and embark on a dangerous adventure in order to seize the day. Meanwhile, Doofenshmirtz gets into all kinds of trouble in this strange new town.

AU. Phineas and the gang are heading to Gravity Falls. Dr. Doofenshmirtz just happens to be setting up his latest -Inator there, and throw in the Pines twins and you know something epic is going to happen.

Parody of "Unleash the Magic" from My Little Pony: Equestria Girls: The Friendship games. One-Shot. I own NOTHING

So this is technically a crossover if people want it I will make a story out of this. This is subject to change!

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.

gravity falls is host to a lunar eclipse when the flynn-flecther arrive, and phineas, ferb and isabella will find out why this place is dangerous, as dipper and mabel prepare for the fight of their life. warning there will be brother feels and fighting, a little swearing, might change the rating. inspired by turning the tides tumblr and dog gone it tumblr.

"But does it count a success if he forgets me the minute he leaves...?" Suggested Ferb/Mabel.

Ferb is in college and finds himself in a run down playground beating himself up for something that isn't his fault. Who steps in to save the day but Mabel? One Shot, rated T for a character death. Ferbel (there needs to be much more of that on here)

The Flynn-Fletchers and friends leave Danville for a trip to Gravity Falls. Unbeknownst to them, Doofenshmirtz is there too, with plans of his own. WILL UPDATE SOON AS OF 4/28/15!

A mysterious book appears in Phineas's backpack, a group of mysterious people fall on top of Dipper in the woods, A dream demon makes a mysterious appearance in Isabella's dreams. How are all these events connected? Rated T for Violence.

Phineas and Ferb are having a new year's eve party when twins, Mabel and Dipper Pines, crash the party. Literally. This is a Phineas and Ferb crossover with Gravity Falls

This is the short version. Meaning, Not the FULL STORY. This is showing a part of the story to get you all interested. The original full is STILL IN PROGRESS. Also meaning. Writer's Block. Enjoy what I have for you all!

Our favorite triangular kid is literally ripped out of Isabella's hands by our favorite triangular bow tie fitted demon. Ferb, Isabella, and Gretchen, accompanied by Dipper and Mabel, embark on a rather strange journey in order to retrieve him and a long lost Wendy. Will they ever see their friends again? Phinbella, Ferbetchen, DipperXWendy