Foster's Home for Imaginary Friends Crossovers
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Mordecai and Rigby Go Imaginary by FanFicIzAwesome reviews
Mordecai and Rigby get fired from their jobs at the park, and need to find a place to live. They decide to stay at Foster's Home for Imaginary friends since they look like imaginary friends, and won't have to find another job if they live there. While they live there, Mordecai dates Frankie, much to Rigby's jealousy. Also, Benson starts to miss having Mordecai and Rigby around.
Crossover - Foster's Home for Imaginary Friends & Regular Show - Rated: K+ - English - Humor/Friendship - Chapters: 11 - Words: 34,033 - Reviews: 3 - Favs: 20 - Follows: 15 - Updated: 2/18/2018 - Published: 11/30/2017 - Bloo, Frankie, Mordecai, Rigby - Complete
Foster's Home For Imaginary Eds by The Eds Rock reviews
The Eds pretend to be imaginary friends so they can live at Foster's. Their plan goes well until they find out they might get adopted.
Crossover - Ed, Edd n Eddy & Foster's Home for Imaginary Friends - Rated: K - English - Humor/Friendship - Chapters: 6 - Words: 17,250 - Reviews: 52 - Favs: 34 - Follows: 17 - Updated: 1/5/2018 - Published: 7/5/2011 - Edd, Eddy, Mac, Bloo - Complete
A Powerpuff Problem by Tziput13
The announcement of a brand new Powerpuff Girls series may not be that big of a deal for Frankie and Mac, but the same cannot be said for all the rest of the world. A fact that will have quite notable consequences for Foster's Home for Imaginary Friends and its current occupants.
Crossover - Powerpuff Girls & Foster's Home for Imaginary Friends - Rated: K - English - Humor - Chapters: 7 - Words: 41,339 - Favs: 7 - Follows: 4 - Updated: 7/31/2017 - Published: 1/1/2016 - Complete
¿Quién es? by WingzemonX reviews
Esa figura oscura y aterradora, volvió a materializarse ante ella una vez más. Siempre lo hacía en los peores momentos de su vida, después de todo; ¿por qué no habría de hacerlo en el último?
Crossover - Foster's Home for Imaginary Friends & Villainous - Rated: T - Spanish - Drama/Tragedy - Chapters: 1 - Words: 1,939 - Reviews: 5 - Favs: 10 - Follows: 6 - Published: 7/2/2017 - Frankie, Black Hat, Dementia - Complete
The Teenage Puffs meet Fosters Home For Imaginary Friends by ainmals1 reviews
The PowerPuff teens get mistaken for Imaginary Friends by a little eight year old boy named Mac, so they go to a Foster Home which is full of Imaginary Friends. After clearing up the misunderstanding they decide to hang out with them, however there is an evil imaginary friend who plots to get rid of everyone. Can the PowerPuffs and their new friends stop her before that happens?
Crossover - Powerpuff Girls & Foster's Home for Imaginary Friends - Rated: K - English - Humor/Adventure - Chapters: 1 - Words: 9,586 - Reviews: 1 - Favs: 3 - Follows: 2 - Published: 3/14/2017 - Complete
Brian, Vinny and New Brian - A Made-Up Quest by DecaTilde
Brian, Stewie, Vinny and New Brian play a new Virtual Reality Massively Multiplayer Online Role-Playing Game, Quest for Imagination, and gain a new ally in an imaginary minotaur with violet-colored fur who speaks Spanish and English. Can they beat the game, or is it game over for our friends? Part 2 of 3, and a crossover with Foster's Home for Imaginary Friends.
Crossover - Family Guy & Foster's Home for Imaginary Friends - Rated: T - English - Humor/Adventure - Chapters: 3 - Words: 1,947 - Favs: 4 - Follows: 4 - Updated: 2/16/2017 - Published: 3/14/2016 - Brian G., Stewie G., Vinny G., Eduardo
Grapevine of Intervention by Pedialyte Served at a Brothel
Also after you.
Crossover - Grand Theft Auto & Foster's Home for Imaginary Friends - Rated: M - English - Humor - Chapters: 2 - Words: 251 - Favs: 1 - Updated: 12/9/2016 - Published: 11/21/2016
47: The Lilo Adventures of Good Wilt Hunting by mary.okeeffe.16
Lilo and Friends help Wilt find his creator in Tokyo Japan and encounter an old foe of his.
Crossover - Lilo & Stitch & Foster's Home for Imaginary Friends - Rated: K+ - English - Mystery/Adventure - Chapters: 1 - Words: 450 - Favs: 1 - Follows: 1 - Published: 8/22/2016
Edna and Harvey: Harvey's New Eyes: A POV Story by Julayla reviews
A retelling of Harvey's New Eyes, but from the Point of View from different characters within the story. Contains a surprise crossover at the end and hint of an upcoming sequel.
Crossover - Foster's Home for Imaginary Friends & Edna & Harvey - Rated: K+ - English - Adventure/Friendship - Chapters: 12 - Words: 43,977 - Reviews: 2 - Favs: 6 - Follows: 6 - Published: 1/20/2016 - Edna K., Lilli, Harvey, OC - Complete
A Mary Time in Foster's by Gamewizard2008 reviews
Mary's first day at Foster's Home For Imaginary Friends. Takes place after the Art Saga in Seven Lights.
Crossover - Foster's Home for Imaginary Friends & Ib - Rated: K+ - English - Friendship/Fantasy - Chapters: 1 - Words: 4,503 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 12/31/2015 - Frankie, Bloo, Mary - Complete
51: The Lilo Adventures of Foster's Destination Imagination by mary.okeeffe.16 reviews
Tucker has disappeared into a toy chest that wasn't supposed to be opened.(Another experiment has been found and Season 2 finale)
Crossover - Lilo & Stitch & Foster's Home for Imaginary Friends - Rated: K+ - English - Adventure/Friendship - Chapters: 2 - Words: 1,368 - Reviews: 2 - Favs: 1 - Updated: 9/27/2015 - Published: 9/21/2015 - Lilo P., Bloo - Complete
Foster's Mystery Dungeon by Skittykat501 reviews
After Mac has a dream saying he must save the Pokemon world, he, along with Goo, Bloo, Wilt, Coco, and Eduardo get sent into the Pokemon world and team up with Skitty and Henrey, the skitty and meowth. BEING REWRITTEN!
Crossover - Pokémon & Foster's Home for Imaginary Friends - Rated: T - English - Friendship/Adventure - Chapters: 2 - Words: 3,154 - Reviews: 3 - Favs: 3 - Follows: 1 - Updated: 6/16/2015 - Published: 3/29/2015 - Complete
Operation: FOSTERS by Tziput13 reviews
Global Command sends Sector V on a mission to discover the truth about a certain home full of imaginary friends. However, neither the Foster's gang nor the Kids Next Door operatives know of the real danger lurking in the house...
Crossover - Codename: Kids Next Door & Foster's Home for Imaginary Friends - Rated: K+ - English - Adventure - Chapters: 12 - Words: 63,148 - Reviews: 16 - Favs: 49 - Follows: 25 - Updated: 5/29/2015 - Published: 2/6/2015 - Complete
Welcome to The Crossover Club by marquisodb reviews
Things heat up when four main characters with different lives and show coming together and fining love, friendship, and many other things. A compulsive liar, a kid full of mystery, a bashful, and a ninja all come together under one roof for the world's greatest party!
Crossover - Foster's Home for Imaginary Friends & Randy Cunningham: 9th Grade Ninja - Rated: T - English - Humor/Romance - Chapters: 2 - Words: 7,603 - Reviews: 4 - Favs: 6 - Follows: 5 - Updated: 9/3/2014 - Published: 4/16/2013 - Mac
The Home by Project X-Over reviews
Wander and Sylvia arrive on Earth, and meet Mac and Bloo. They are mistaken for imaginary friends and come to Foster's.
Crossover - Foster's Home for Imaginary Friends & Wander over Yonder - Rated: K+ - English - Humor/Friendship - Chapters: 9 - Words: 3,679 - Reviews: 10 - Favs: 24 - Follows: 9 - Updated: 3/23/2014 - Published: 3/1/2014 - Bloo, Mac, Wander, Sylvia - Complete
Fostering Shadows by MaverickKayPrime reviews
They were the only two beings who were real. Sure, they didn't look real, and the way they acted was so unreal, but they were real. Yet as time went on they became more and more, mysterious. Mysteries were something the house was used to yes, but their mysteries were growing worse, and crazier, as well as, deadlier. The greatest mystery? How long could they survive, in this home?
Crossover - Sonic the Hedgehog & Foster's Home for Imaginary Friends - Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 3,253 - Reviews: 6 - Favs: 1 - Follows: 6 - Published: 11/30/2013 - Shadow, E-123 Omega, Frankie, Mac
Worlds of Color and Wonder by Gabriel Seraph reviews
Marceline escapes Ooo and soon she finds a door that takes her somewhere else, where she meets a nice teenager named Mac, and a whole house full of imaginary friends who will fight to protect their home - especially when her too many suitors show up! Part 1 of the Marceline's Odyssey Trilogy. AU, possible limes, bloody hilarity, in-universe shipping wars: Marcy/EVERYBODY.
Crossover - Foster's Home for Imaginary Friends & Adventure Time with Finn and Jake - Rated: T - English - Supernatural/Humor - Chapters: 5 - Words: 3,812 - Reviews: 7 - Favs: 7 - Follows: 6 - Updated: 11/15/2013 - Published: 7/11/2013 - Mac, Marceline A.
Foster's Fairly Odd Home For Imaginary Friends by puppets4ever reviews
Timmy's parents find out about his fairies, the only thing is, they think the fairies are imaginary friends, and order Timmy to get rid of them. Then, Timmy finds out about Foster's Home Imaginary Friends, where he takes the fairies along and meets Mac, Bloo and the rest of the Foster's gang. Fun and chaos follows. Will Timmy ever get his fairies back home? Read to find out!
Crossover - Fairly OddParents & Foster's Home for Imaginary Friends - Rated: K - English - Humor/Adventure - Chapters: 2 - Words: 1,978 - Reviews: 14 - Favs: 9 - Follows: 6 - Updated: 11/9/2013 - Published: 7/4/2012 - Timmy, Bloo
Pandilla mágica Halliwell by xp2011 reviews
Al intentar adaptarse a una nueva vida en la casa Halliwell, Blu libera los poderes de las hermanas Halliwell. Eso conduce a varias aventuras.
Crossover - Charmed & Foster's Home for Imaginary Friends - Rated: K+ - Spanish - Adventure/Supernatural - Chapters: 2 - Words: 1,501 - Reviews: 2 - Favs: 2 - Follows: 2 - Published: 4/17/2013 - Phoebe H., Bloo
Yuri Oneshots3: Frankie FosterPeg by Hardman 5509
The first meeting of the two popular red-heads.
Crossover - Foster's Home for Imaginary Friends & Goof Troop - Rated: K+ - English - Romance/Drama - Chapters: 1 - Words: 1,343 - Favs: 8 - Follows: 4 - Published: 1/16/2013 - Frankie - Complete
Rainbows by HIIMRATIONBB
After three months of silence after a one night stand, Cheese suddenly appears again on Fred FredBurger's doorstep. Will Fred give into the pressure of sex or will he turn away from the man who once turned his back on him? Read to discover!
Crossover - Foster's Home for Imaginary Friends & Grim Adventures of Billy & Mandy - Rated: T - English - Romance - Chapters: 1 - Words: 303 - Published: 11/2/2012 - Fred Fredburger
Foster's Home For Experiment Cousins by SandwichesHinderProgress reviews
Jumba's new invention, a portal, lures some of his experiments through it and into a house full of imaginary friends in an alternate Earth. Lilo and her family must go in to find the experiments and bring them home.
Crossover - Lilo & Stitch & Foster's Home for Imaginary Friends - Rated: K - English - Family - Chapters: 1 - Words: 509 - Reviews: 5 - Favs: 6 - Follows: 6 - Published: 6/21/2012
The ultimate crossover by Trunks40 reviews
My first fanfiction about as many characters I could cram in.
Crossover - Dragon Ball Z & Foster's Home for Imaginary Friends - Rated: T - English - Adventure - Chapters: 1 - Words: 523 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 4/2/2012
Guy of the Tiger by WowRandomPerson reviews
A rainy evening at Foster's sees the arrival of a new houseguest: a certain sardonic, bipedal tiger. His arrival brings unforeseen and far-reaching repercussions, permanently altering the lives and identities two pairs of best friends.
Crossover - Calvin & Hobbes & Foster's Home for Imaginary Friends - Rated: K+ - English - Friendship/Family - Chapters: 6 - Words: 10,260 - Reviews: 24 - Favs: 55 - Follows: 49 - Updated: 3/16/2012 - Published: 1/22/2012 - Hobbes, Mac
Cheesy Cheese by Rich4270 reviews
How will Candace react if there were a certain Imaginary Friend in her room! Read this funny story to find out!
Crossover - Foster's Home for Imaginary Friends & Phineas and Ferb - Rated: K+ - English - Humor/Mystery - Chapters: 1 - Words: 239 - Reviews: 4 - Favs: 2 - Follows: 2 - Published: 12/23/2011 - Candace - Complete
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