Gravity Falls Crossovers
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Human Decomposition by Devin Trinidad reviews
There are five stages of decomposition for the human body. Robbie might be living through one of them.
Crossover - Kuroshitsuji & Gravity Falls - Rated: K - English - Humor/Supernatural - Chapters: 6 - Words: 18,101 - Reviews: 9 - Favs: 4 - Follows: 5 - Updated: 5h - Published: 2/4
Star vs the Forces Of Gravity by Sonic Squid reviews
Star and Marco's dimensional scissors are broken and it causes them to go to Gravity Falls instead. They may need the help from the Pines Twins to get back home.
Crossover - Gravity Falls & Star Vs. The Forces of Evil - Rated: K - English - Humor/Adventure - Chapters: 5 - Words: 2,128 - Reviews: 6 - Favs: 2 - Follows: 4 - Updated: 16h - Published: 4/14
Time Today, Gone Tomorrow by du911 reviews
Major AU! Dipper still finds the journal...But he also finds the most peculiar watch...
Crossover - Doctor Who & Gravity Falls - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 645 - Reviews: 1 - Follows: 1 - Updated: 21h - Published: 4/8 - [Wendy, Dipper P.] 12th Doctor, The Master
Five Nights VS Evil by Pholly1
Dipper, Mabel, Soos, and Wendy, discover a secret in the local Freddy Fazbear's Pizzeria. They set out to find the forces of evil by becoming night guards...if they can survive. Rated K for possible mild language.
Crossover - Gravity Falls & Five Nights at Freddy´s - Rated: K+ - English - Horror/Supernatural - Chapters: 4 - Words: 2,222 - Updated: 4/24 - Published: 4/10
Star vs the Forces of Oregon by JackalopeStories reviews
Star and Marco moved into the Mystery Shack on the Pines twins' 13th birthday, and have had many an adventure together, but things start to get weird when Marco has a dream about Bill. (Established Starco, One-Sided Billdip)
Crossover - Gravity Falls & Star Vs. The Forces of Evil - Rated: K+ - English - Romance/Adventure - Chapters: 2 - Words: 950 - Reviews: 1 - Published: 4/23
Gravity Falls and Steven Universe in: Return of the Shape Shifter by Blazing Fire Star Kid 01 reviews
The Universe family and Connie are going on a vacation on the summer to Gravity falls where they meet Dipper and Mabel. But little do they know that familiar foes are returning and plan to team up to destroy their rivals. Now it looks like our heroes will have to work together to save their world. Can they do it?
Crossover - Gravity Falls & Steven Universe - Rated: K - English - Adventure/Romance - Chapters: 4 - Words: 3,317 - Reviews: 4 - Favs: 7 - Follows: 7 - Updated: 4/23 - Published: 4/20 - [Dipper P., Wendy] [Steven U., Connie]
Gravity Fusion by MadHat886 reviews
Thanks to Soos finding a flashlight that can bring to life any drawing and him watching cartoons and animes on the tv. He brings to life a bunch of cast members from many different shows. Now with Gravity Falls the center of the mess, the rest of the world turns their attention to the sleepy little town.
Crossover - X-overs & Gravity Falls - Rated: T - English - Chapters: 2 - Words: 3,378 - Reviews: 10 - Favs: 8 - Follows: 6 - Updated: 4/22 - Published: 4/14
Phantom Falls by tacocatcookies reviews
A Mysterious person has helped Dan escape. They were traced to a town called Gravity Falls. Danny has to travel to Gravity Falls to find Dan and the person who helped him escape. He finds the Mystery Shack and stays there with the Pines family. They run into creatures and objects along the way. Will Danny find and capture Dan? Also who is the mysterious person who helped Dan?
Crossover - Danny Phantom & Gravity Falls - Rated: K+ - English - Suspense/Mystery - Chapters: 2 - Words: 3,560 - Reviews: 2 - Favs: 5 - Follows: 5 - Updated: 4/22 - Published: 4/14
same business, different family by SulliG24 reviews
With the Winchesters dead, who will step up and save the world from the things that go bump in the night?
Crossover - Supernatural & Gravity Falls - Rated: T - English - Family/Supernatural - Chapters: 2 - Words: 2,025 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 4/22 - Published: 4/14 - Sam W., Dean W., Dipper P., Mabel P.
Gravity Falls: Sinnoh Adventure by 087-B reviews
[Generation 4] Dipper, Mabel, and Soos travel to Sinnoh on a Pokemon journey, but when things get out of hand with rivals, traveling, and Team Galactic, will they be able to collect all 8 badges and get to the Sinnoh Pokemon League? Contains uncommon cases of language. Rated T to be safe. Definite spoilers for Pokemon Diamond, Pearl, and Platinum versions. (Over 10.1K hits!)
Crossover - Gravity Falls & Pokémon - Rated: T - English - Adventure/Friendship - Chapters: 27 - Words: 57,097 - Reviews: 73 - Favs: 21 - Follows: 19 - Updated: 4/22 - Published: 12/14/2013 - Dipper P., Mabel P., Soos
The Beast and the Demon by TheCringingHorror
The forest of Gravity Falls was never such a dangerous place. And the Unknown had never met monsters so villainous. But that didn't matter, did it? Not when the Dealmakers of both terrains make a deal themselves. And something much, much more dangerous is brewing... The picture isn't mine, and, no, it's not foreshadowing or anything. I just liked it a lot.
Crossover - Gravity Falls & Over the Garden Wall - Rated: K+ - English - Humor/Adventure - Chapters: 1 - Words: 1,997 - Favs: 2 - Follows: 4 - Updated: 4/21 - Published: 4/19
Bill's Reality by starzxxcartoonzs reviews
Bill becomes an inter-dimensional threat. Danny is transported by Clockwork into Gravity Falls a week in advance to make allies, but does he just earn the watchful eye of Dipper? Since he naturally attracts trouble, his friends are more in danger than usual. Can he conceal his secret? (rated K plus so I don't get in trouble if I slip up)
Crossover - Danny Phantom & Gravity Falls - Rated: K+ - English - Adventure/Suspense - Chapters: 4 - Words: 7,524 - Reviews: 8 - Favs: 14 - Follows: 16 - Updated: 4/21 - Published: 4/18 - Danny F., Dipper P., Mabel P., Bill
Chad roberts and getstest Satyr-fox Vampire Edward Cullen by ChadR-2014 reviews
Chad was happy that someone to be thier to be Fluffy by Edward Cullen as Were-furry Jacobism with Shapeshifting Bio-Augmetations want to be Chad lover as The Vampire and Were-Furry. And same time as Chad sent into this Grandpa's company for escape of something.
Crossover - Gravity Falls & Steven Universe - Rated: K+ - English - Supernatural/Romance - Chapters: 2 - Words: 817 - Reviews: 1 - Published: 4/21 - Grunkle Stan, Bill, OC
Dreams and Nightmares by eternal1990 reviews
Things get hectic in Dreamland when Kind Dedede and Escargoon summon Bill Cipher to get rid of Kirby for them. And it's up to Dipper, Mabel, Tiff and Tuff to protect the star warrior from the demon. However, Bill has something else up his sleeve.
Crossover - Kirby & Gravity Falls - Rated: T - English - Chapters: 3 - Words: 5,280 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 4/21 - Published: 3/30 - Kirby, Fumu/Tiff, Dipper P., Bill
Wakfu falls by du911
One fateful summer dipper pines and his faithful Tofu Az Find a book...and so much more...
Crossover - Wakfu & Gravity Falls - Rated: T - English - Adventure/Supernatural - Chapters: 2 - Words: 713 - Updated: 4/21 - Published: 3/1 - [Wendy, Dipper P.] Az, Rubilax
Once Upon a Time by Writer65 reviews
Si Dipper y Mabel Pines pensaron que su experiencia con pueblos mágicos había terminado con Gravity Fall, se equivocaron, cuando conozcan a un chico llamado Norman, cuando Norman convenza a los gemelos de ir con él a un pueblo de Maine, llamado Storybrooke, los tres se verán envueltos en una emocionante, y peligrosa, aventura, llena de nuevos amigos, y nuevos y peligrosos enemigos.
Crossover - Gravity Falls & ParaNorman - Rated: K+ - Spanish - Fantasy/Adventure - Chapters: 1 - Words: 3,059 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 4/20 - [Dipper P., Mabel P., Norman B.]
Kid Cipher by soulscarcity13 reviews
On a whim, Bill Cipher takes a short break and returns to Gravity Falls with the young Harry Potter under his arm. Ten years later, Harry arrives at Hogwarts with a love of physical pain, a stash of severed heads, and dexterity in demon magic.
Crossover - Harry Potter & Gravity Falls - Rated: T - English - Humor/Supernatural - Chapters: 5 - Words: 3,885 - Reviews: 20 - Favs: 33 - Follows: 50 - Updated: 4/19 - Published: 4/2 - Harry P., Bill
Hotel Gravity Falls by Owennumber1fan reviews
As part of another money making scam, Stan converts the Shack into a hotel. Dipper wants nothing to do with it, but when Kim Possible and company arrive in town, he finds himself drawn into an adventure to prevent Drakken & Monkey Fist from obtaining a dangerous and powerful artifact.
Crossover - Kim Possible & Gravity Falls - Rated: K+ - English - Adventure/Humor - Chapters: 4 - Words: 7,118 - Reviews: 13 - Favs: 4 - Follows: 8 - Updated: 4/19 - Published: 3/24 - Kim P., Tara, Dipper P., Mabel P.
Aliens, Mysteries, and Piggys by Godzilla2915 reviews
Zim, Dib, Gir, and Mini-Moose have found themselves in Gravity Falls for some reason and soon make friends with Dipper and Mabel. Will Zim destroy Gravity Falls? How will Dib react to supernatural of this world? Will Mabel get jealous of Dipper's new 'Mystery Partner? But seriously, how'd they get there? Does not contain disturbing shipping, but does have spoilers.
Crossover - Invader Zim & Gravity Falls - Rated: K - English - Humor/Mystery - Chapters: 7 - Words: 19,020 - Reviews: 10 - Favs: 3 - Follows: 8 - Updated: 4/19 - Published: 1/21
Let's Make a Deal by Aqua Girl 007 reviews
Bill watched this place and the people in it for awhile now thanks those strange items of theirs, especially a certain spikey, tri-coloured haired pharaoh. Figuring the brat could be useful for his plans, he decides to make a deal with the kid while he is inside of his tomb.
Crossover - Yu-Gi-Oh & Gravity Falls - Rated: T - English - Suspense/Drama - Chapters: 1 - Words: 1,034 - Reviews: 4 - Favs: 3 - Published: 4/19 - Complete
GeMysteries by IbbleBibbleBibble reviews
Steven and Connie take a weekend trip to Gravity Falls, which turns out to be action-packed and exciting as soon as they meet Dipper and Mabel.
Crossover - Gravity Falls & Steven Universe - Rated: K+ - English - Adventure/Romance - Chapters: 2 - Words: 1,938 - Reviews: 5 - Favs: 6 - Follows: 11 - Updated: 4/18 - Published: 4/16
Phineas and Ferb: Star Wars Episode II: Fury of the Empire by Dalek Prime reviews
Eight months have past since the battle of Yavin and Phineas, Ferb and their friends are now with the Rebellion. But the Empire is determined to hunt them down. Now the brothers must seek out Jedi Master Stanford in order to complete their training, but a blood-thirsty bounty hunter and the new Inquisitor are hot on their heels and the results could spell doom for them all!
Crossover - Phineas and Ferb & Gravity Falls - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 4,914 - Reviews: 5 - Favs: 2 - Follows: 2 - Published: 4/18 - [Phineas, Isabella] Dipper P., Grunkle Stan
my little gravity falls by isapony
bill travels to the world of my little pony he is shocked to see discord married to ll will try to get the old discord back.Will bill win or will discord stay with Fluttershy?
Crossover - My Little Pony & Gravity Falls - Rated: K - English - Romance/Humor - Chapters: 1 - Words: 281 - Published: 4/18
Inner Demons Chapter 1 by Scrouge Mcblood
This was created in the reverse universe. Meaning the Mabel and Dipper Pines are Mabel and Dipper Gleeful. And Gideon and Pacifica are related and there surnames are Pines. If you have no clue whats going on then check this part of the fandom on deviantart(Im Horseofthedawn) e.p: /art/Cold-rev-dip-477980591 Anyway I'm probably bad at writing so enjoy.
Crossover - Mortal Instruments & Gravity Falls - Rated: T - English - Chapters: 1 - Words: 1,934 - Published: 4/18
Sunset Over the Pine Tree by beccalovesbumblebee reviews
MAJOR CHARACTER DEATH. Basically after John's death, Dean goes on a "hunt" trying to track down one of the Pines Twins. What will Dean discover when he finds them? And what does Bill have to do with any of this? Set in the beginning Supernatural's second season. Au, since the Twins are 20-21 not 12.
Crossover - Supernatural & Gravity Falls - Rated: T - English - Angst/Supernatural - Chapters: 2 - Words: 14,497 - Reviews: 3 - Favs: 2 - Follows: 3 - Updated: 4/17 - Published: 4/15 - Sam W., Dean W., Dipper P., Mabel P.
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