Mabel's plans for Sibling's Day are ruined when Dipper surprisingly forgets about it, resulting in a very upset Mabel.

Dipper and Mabel's close bond and love for each other started before the two were even born. Dipper and Mabel bonding; symbolic flashback. (Warning: contains prenatal and birthing scenes)

Dipper has done many things for Mabel, and with Christmas around the corner, Mabel wants to buy a present for her twin. Dipper and Mabel bonding.

A thunderstorm occurs during night which leaves Mabel in an uncomfortable situation. Dipper leaves his bed and immediately tries to comfort her.

As they go through high school Dipper and Mabel become more distant. The question is will they turn out like their Grunkles or can they continue to love each other through all the changes? R&R please!

"Home is where the heart is", so the old saying goes... After departing Gravity Falls, Dipper and Mabel come to know this better than anyone. Now they want nothing more than to return home. Post-series finale. One-shot.

The day after Dipper and Mabel's 18th birthday (actually just a silly oneshot). Cross-posted to Ao3. Uploading error has been fixed

When Dipper and Mabel first arrived in Gravity Falls they were seriously underwhelmed, they were sure it was just going to be a typical boring summer. Before any magic, mystery or adventure began they were stuck in a cold, dirty, old shack, wondering if there were any ways to make their summer more exciting. One shot that may get a special second chapter.

Mabel asks Dipper why he apologises all the time. She isn't prepared for the answer. (One Shot)

When a sixteen year old Mabel comes strutting through the door in her infamous 'go big or go home' sweater, Dipper knows immediately that she's done something that's either awesome or illegal. It's kind of both, it turns out.

Dipper, Wendy and Soos enter Mabel's bubble, not knowing what they'd find. They didn't know what to expect, but they didn't expect this. Now they must convince Mabel of what's really real, but how do they save someone who doesn't want to be saved? And when the truth threatens to tear the twins apart when they need each other most, will they be strong enough to overcome it?

While Dipper and Mabel are at a party, Mabel finds her brother feeling a little out of it, his insecurities and self doubts coming to the surface. Mabel takes action, and decides to remind her brother how much he means to her.

Dipper wakes up one night from a horrid dream, only to come face to face with a reality that he has been ignoring. [Oneshot]

After getting infected by a creature known as a Conflict Fairy Dipper in a fit of rage accidentally wishes that him and Mabel weren't related. At first it seems like nothing has changed all that much but when Dipper finds out what Mabel's new life is like he starts to greatly regret his wish. Rated T for alcohol use, swearing and child abuse

[SPOILERS FOR Dipper and Mabel vs the Future] He's only got one thing on his mind as the world goes to hell: find Mabel.

How the ending of "Dipper and Mabel vs. the Future" should have actually ended. Spoilers, brief one shot. If you like Stanford and can't see his flaws, don't bother reviewing.

What if Dipper had thought a bit more before accepting the offer? Spoilers for "Dipper and Mabel vs. the Future."

When Mabel takes a walk in the woods one day, an accident occurs and she finds out that Ford wasn't kidding when he said, "This magnet gun can rip the fillings out of a man's mouth from 100 feet."

When Mabel can't stop laughing, it's probably because of Dipper's misfortune.

Dipper suddenly finds out that Gideon's downfall left more than just a smoking hole in the forest, and it's a weight neither of the Pines twins can bear alone.

After the supernatural gives Dipper and Mabel a particularly rough week, they decide to leave Gravity Falls for a day or two to take a break. They find a nice spot by a river and decide to go fishing to help them unwind, but with the luck of the Mystery Twins, it's bound to take a turn for the weird.

Dipper has a terrible day after having a deeply disturbing nightmare about Bill. Mabel takes it upon herself to brighten her downtrodden brother's day.

After the Pines twins survive a narrow scrape with the supernatural, Mabel is injured and Dipper takes it upon himself to patch her up.

Eight years in the future, both the twins still feel the effects of what they went through. Mabel comes to visit Dipper to take care of him during a particularly bad streak of depression and insomnia. She decides it's time to break out the blanket fort.

To defeat Bill, Dipper and Mabel transform into beings far more powerful than the demon. But after the battle is won, and they seem to be back to normal, they both know that they are forever changed. They aren't truly human anymore, this much they know. But what exactly have they become?