Monsters Inc. Crossovers
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Never Forgotten by WinterLifeAmerica reviews
Story inspired by Tumblr user onemuseleft, I decided to write this since no one has wrote it yet. Summary: Lilo and Boo are college roommates and must go on an adventure to find Stitch one night when he disappears into their closet bumping into familiar Monster's Inc characters.
Crossover - Monsters Inc. & Lilo & Stitch - Rated: T - English - Family/Adventure - Chapters: 4 - Words: 3,660 - Reviews: 27 - Favs: 45 - Follows: 97 - Updated: 1/19 - Published: 7/6/2015 - Boo/Mary Gibbs, Mike W., Sulley/James P. Sullivan, Lilo P.
Beyond Ohana by funkypudding reviews
After leaving years before, Mary returns to her home town for college. She has a lot to hide from her new roommate, Lilo, but when Lilo's "dog" disappears into the closet one night, Mary knows she'll have to face her childhood. She and Lilo attempt to save Stitch in this other world that Mary has mixed feelings about. . .a place that gave her the nickname Boo.
Crossover - Monsters Inc. & Lilo & Stitch - Rated: K+ - English - Adventure/Drama - Chapters: 4 - Words: 4,198 - Reviews: 6 - Favs: 16 - Follows: 31 - Updated: 1/14 - Published: 10/12/2015 - Boo/Mary Gibbs
A romance for two by Titans south
Action romance for my first story
Crossover - X-Files & Monsters Inc. - Rated: T - English - Chapters: 2 - Words: 24 - Published: 12/27/2015
Old Scares by Elememtal1000 reviews
Code Master Hotekk was scared as a kid by Sulley's Father and now he wants to prove that monsters are really. Years later he finally gets his proof by scanning a monster. (Rated for language and safety).
Crossover - Monsters Inc. & Chaotic - Rated: T - English - Adventure - Chapters: 2 - Words: 1,144 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 12/21/2015 - Published: 7/31/2014 - Mike W., Sulley/James P. Sullivan, Hotekk, Crellan
El origen de los monstruos by bluesz
Conjunto de drabbles acerca de conversaciones y momentos entre Jamie y Bu.
Crossover - Monsters Inc. & Rise of the Guardians - Rated: K+ - Spanish - Friendship/Humor - Chapters: 3 - Words: 1,283 - Updated: 12/18/2015 - Published: 11/10/2015 - Boo/Mary Gibbs, Jamie
Randall's Child Called It by Crystal Draculura Bloodsucker reviews
When Randall walks into a room owned by an abused child, he vows on his life to protect him, but will his world and job get in the way of things? Co-written with KrymynalKrimzon. Reviews Chapters. Co-writer has quit on this story since chapter 24.
Crossover - Monsters Inc. & A Child Called It - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 26 - Words: 19,723 - Reviews: 46 - Favs: 13 - Follows: 10 - Updated: 12/5/2015 - Published: 11/4/2013 - Complete
Why monsters fear children by iliveonbooks
The summary is in the name, why do monsters fear children? This is the reason.
Crossover - Harry Potter & Monsters Inc. - Rated: K+ - English - Supernatural - Chapters: 1 - Words: 53 - Published: 9/6/2015
Monsters and Demons by prettyaliens62 reviews
Randall goes into the wrong closet to collect his screams, and encounters a black haired beauty far worse than a monster. How will Randall react to this strange red eyed man?
Crossover - Monsters Inc. & Kuroshitsuji - Rated: T - English - Friendship/Spiritual - Chapters: 4 - Words: 5,370 - Reviews: 3 - Favs: 5 - Follows: 6 - Updated: 8/13/2015 - Published: 11/19/2014
Through the Closet Door by newbienovelistRD reviews
A curious polka-dotted monster enters the Grant Mansion. What do you suppose he'll find inside?
Crossover - Monsters Inc. & Ben 10 - Rated: K+ - English - Friendship/Family - Chapters: 1 - Words: 1,660 - Reviews: 2 - Favs: 3 - Follows: 1 - Published: 7/12/2015 - Complete
Not Forgotten by Nicky0 reviews
Renny can only remember one thing: her name. After falling into the Hotel she has to stay there ten years before anything exciting happens: Mavis' 118's birthday party. But, the day before Mavis' party, two humans-one with a little reptile in her hair-arrive at the hotel and cause total mayhem. Will Renny be able to remember anything of her previous life?
Crossover - Monsters Inc. & Hotel Transylvania - Rated: T - English - Humor - Chapters: 12 - Words: 12,258 - Reviews: 23 - Favs: 4 - Follows: 3 - Updated: 7/10/2015 - Published: 7/28/2014 - Complete
A Special Door Leads To Friendship by GoldGuardian2418 reviews
Lily, Sulley, and Mike find a door in the storage room and Lily goes through it. She never dreamed she finds some new friends inside. Birthday story for newbienovelistRD, so please, no flames.
Crossover - Monsters Inc. & Beauty and the Beast - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 1 - Words: 2,441 - Reviews: 4 - Favs: 3 - Follows: 1 - Published: 6/1/2015 - Mike W., Sulley/James P. Sullivan, Beast/Prince, Belle - Complete
The Comic Reliefs by hcsp1
During a regular night at the famous Disney club, "House of Mouse", Mike from the "Monsters Inc." movies comes across Olaf from the movie "Frozen". To his surprise, the snowman's behavior is a lot less nice than he had expected. Based on the TV show "The Comedians".
Crossover - Monsters Inc. & Frozen - Rated: K+ - English - Humor/Parody - Chapters: 1 - Words: 2,436 - Favs: 6 - Follows: 1 - Published: 4/21/2015 - Mike W., Olaf - Complete
Boo by Nederlandse boeken
When Boo opens the door of her closet, she expects to see 'kitty' and not the bogeyman.
Crossover - Monsters Inc. & Rise of the Guardians - Rated: K - English - Chapters: 1 - Words: 846 - Published: 4/17/2015 - Boo/Mary Gibbs, Sulley/James P. Sullivan, Pitch - Complete
Tower Closet by Tohdoh reviews
Rapunzel rejoices in finally having company, even if he only had one eye. [Oneshot. Inspired by Tangled x Monsters Inc. gifset on Tumblr.]
Crossover - Monsters Inc. & Tangled - Rated: K - English - Friendship - Chapters: 1 - Words: 1,129 - Reviews: 1 - Favs: 14 - Follows: 5 - Published: 12/25/2014 - Mike W., Rapunzel - Complete
Monster Who Inc by kaching335 reviews
In an AU where Mike and Sully never gave up Boo, the 9th and 10th Doctors appear at Monsters Inc.
Crossover - Doctor Who & Monsters Inc. - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 7 - Words: 2,233 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 11/25/2014 - Published: 10/11/2014 - 9th Doctor, 10th Doctor, Mike W., Sulley/James P. Sullivan
Celia and Mikea love like no other by sdream33 reviews
All I can say is...ENJOY!
Crossover - Monsters Inc. & Boy in the Striped Pyjamas - Rated: T - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 521 - Reviews: 1 - Published: 11/25/2014 - Celia M., Mike W.
Captain Feathersword II by Duyouk
The sequel to Scrote Pictures and Snowy Scrote, written by my friend and myself. (THIS STORY IS DISGUSTING, I'M WARNING YOU)
Crossover - Monsters Inc. & It's Always Sunny in Philadelphia - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 997 - Published: 11/19/2014
The Humanween Halloween by newbienovelistRD reviews
It's Halloween time and Lily, Boo and Megan take Mike and Sulley to the human world to celebrate. But things go awry when they visit a real haunted house!
Crossover - Monsters Inc. & Haunted Mansion - Rated: T - English - Adventure/Supernatural - Chapters: 2 - Words: 5,027 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 10/25/2014 - Published: 10/22/2014 - Complete
Toy Story Toons: Monsters Playtime by captaincartoon123 reviews
What happens when Woody, Buzz, Jessie and the gang meet the Monsters Inc. characters? Read to find out! This story explains Jessie's cameo in Monsters Inc.! . Check out my new Toy Story Poll.
Crossover - Toy Story & Monsters Inc. - Rated: K - English - Humor/Adventure - Chapters: 8 - Words: 4,335 - Reviews: 2 - Favs: 3 - Follows: 2 - Updated: 10/11/2014 - Published: 3/20/2013 - Buzz Lightyear, Boo/Mary Gibbs, Mike W., Sulley/James P. Sullivan
The Wrong Door by americanidol82 reviews
What happens when James P. Sullivan goes into scare his next victim? The world in which the monsters live get turned up side down, when they learn that door belongs to Dash Parr. The superheros then find out about the monsters and want to bring them down, for good!
Crossover - Monsters Inc. & Incredibles - Rated: K - English - Adventure/Family - Chapters: 4 - Words: 4,575 - Reviews: 7 - Favs: 3 - Follows: 8 - Updated: 9/29/2014 - Published: 3/8/2013 - Sulley/James P. Sullivan, Dash P.
Mutants inc by valecad10
A parody of monsters inc
Crossover - Cartoon X-overs & Monsters Inc. - Rated: K - English - Adventure/Family - Chapters: 1 - Words: 3,705 - Published: 9/17/2014
Into the Darkness of the World by KH freak 813 reviews
Second of two one-shots gifted to poseidon7. Takes place during KH DDD. On their quest to complete the Mark of Mastery in preparation for the impending threat the True Organization XIII presents, Sora and Riku go to Monsters University as a part of their exam. What will happen?
Crossover - Monsters Inc. & Kingdom Hearts - Rated: K+ - English - Adventure/Friendship - Chapters: 1 - Words: 13,124 - Reviews: 4 - Favs: 5 - Follows: 2 - Published: 8/20/2014 - Oozma Kappa/OK, Roar Omega Roar/ROR, Sora, Riku - Complete
Kingdom Hearts: Keys in the Heart of the Monster by KH freak 813 reviews
First of two one-shots gifted to poseidon7. Takes place during Kingdom Hearts Birth by Sleep. Terra, Ventus, and Aqua arrive in Monsters University at separate times, each impacting it differently in their own ways. What did they do?
Crossover - Monsters Inc. & Kingdom Hearts - Rated: K+ - English - Adventure/Friendship - Chapters: 1 - Words: 16,428 - Reviews: 5 - Favs: 7 - Follows: 2 - Published: 8/8/2014 - Terra, Ventus/Ven, Aqua - Complete
Monsters Inc: We Are Monsters One And All by newbienovelistRD reviews
With humans adjusting to the monster world and the monster world adjusting to humans, the unbelievable and unforeseeable happens, meeting human monsters! Who might come in handy for a new threat arising!
Crossover - Monsters Inc. & Monster High - Rated: T - English - Adventure/Fantasy - Chapters: 12 - Words: 17,348 - Reviews: 22 - Favs: 11 - Follows: 6 - Updated: 8/5/2014 - Published: 7/10/2014 - Complete
Monster is as monster does by R'Dajee Marr reviews
A little crossover I never finished. Randall becomes a cenobite. I thought I had more but I couldn't find it.. I was going to have Randall go on a massacre at M.I.
Crossover - Monsters Inc. & Hellraiser - Rated: K+ - English - Horror - Chapters: 1 - Words: 586 - Reviews: 1 - Favs: 1 - Published: 7/26/2014
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