Monsters Inc. Crossovers
Filters
93 | Page 1 2 3 .. Last Next »

Stitch's Monster Adventure by Kemono Hayadesu-Hikaru reviews
Lilo and Boo are in college and are roomates. Boo is the first one to call Stitch cute, and Lilo is the first one to act like Mike Wazowski is not a weird name for a goldfish. Together they get along like a house on fire! Soon some strange things happen leading Lilo and Boo into the monster world to save Stitch.
Crossover - Monsters Inc. & Lilo & Stitch - Rated: K - English - Adventure - Chapters: 2 - Words: 518 - Reviews: 1 - Published: 11/7
One-Minute Melee: Bowser VS Sulley by Orange Ratchet
Bowser, after capturing Mike Wazowski and learning where he came from, gets inspired to take over Monstropolis and use their closets to kidnap Peach. However, upon entrance, he has to meet with Mike's friend, James P. Sullivan, who doesn't approve of Bowser's invasion? Will Sulley be able to drive Bowser off? Based off Hyper Gauge's One-Minute Melees!
Crossover - Mario & Monsters Inc. - Rated: K+ - English - Humor/Fantasy - Chapters: 1 - Words: 2,756 - Published: 11/3 - Bowser, Sulley/James P. Sullivan - Complete
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: 12 - Words: 10,541 - Reviews: 41 - Favs: 54 - Follows: 106 - Updated: 8/5 - Published: 10/12/2015 - Boo/Mary Gibbs
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: 5 - Words: 4,148 - Reviews: 43 - Favs: 70 - Follows: 129 - Updated: 7/2 - Published: 7/6/2015 - Boo/Mary Gibbs, Mike W., Sulley/James P. Sullivan, Lilo P.
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: 28 - Words: 22,271 - Reviews: 50 - Favs: 15 - Follows: 12 - Updated: 6/30 - Published: 11/4/2013 - Complete
Bad Day at the Office by shopgirl152
It doesn't matter how much you love your job; sometimes you just have a bad day at the offce. And when Sully finds himself pitted against two rebellious princesses, he just may have his hands full.
Crossover - Monsters Inc. & Frozen - Rated: K+ - English - Humor/Family - Chapters: 1 - Words: 1,156 - Favs: 2 - Follows: 2 - Published: 6/5 - Mike W., Sulley/James P. Sullivan, Anna, Elsa - Complete
Cracked Doors in Space and Time by luckbringer reviews
Mike has finally rebuilt Boo's door. Sulley can see her again! He opens the door...
Crossover - Doctor Who & Monsters Inc. - Rated: K - English - Humor - Chapters: 1 - Words: 453 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 6/3 - Amelia P./Amy, 11th Doctor, Mike W., Sulley/James P. Sullivan - Complete
Romance Between Monster and Human by KylieMarie1998 reviews
Instead of Mary going to Monsters Inc., it was Bella. She was the one that met Sulley and Mike. Now, Sulley and Mike is back in Bella's life after thirteen years. What if Sulley start having feelings for Bella? What if Bella start having feelings for Sulley? What if Edward comes back to take Bella back? Will Sulley allow that or not? Read to see what happens.
Crossover - Monsters Inc. & Twilight - Rated: T - English - Romance/Friendship - Chapters: 3 - Words: 2,896 - Reviews: 3 - Favs: 11 - Follows: 14 - Updated: 5/18 - Published: 5/15 - [Sulley/James P. Sullivan, Bella] Mike W., Edward
Kingdom Hearts Everlasting by CherryBlossomDexia
Dexia is a girl with hidden potential and living in a world threatened by growing shadows. Learning to save crumbling worlds is a difficult feat but with the help of her guardian monster, a large blue and purple polka dotted furry being named Sulley, she may just stop the spreading shadows before it's too late.
Crossover - Monsters Inc. & Kingdom Hearts - Rated: K+ - English - Friendship/Adventure - Chapters: 2 - Words: 2,019 - Published: 5/2
Andy's Monster by Brittneyd.k reviews
Okay, guys. I can't say much about this except for that it is pre both movies and it is based off of the youtube video: Pixar Theory: Who is Andy's Monster? by SuperCalvinBros. Also I didn't come to this idea on my own I came to this idea by my new friend: XxXIamaroleplayingfangirlXxX after talking to her. Enjoy :)
Crossover - Toy Story & Monsters Inc. - Rated: K - English - Friendship - Chapters: 1 - Words: 605 - Reviews: 3 - Favs: 3 - Follows: 1 - Published: 4/29 - Complete
Different Species by BobShrekit
This is a true interspecies Yaoi. Bibleman X Sully
Crossover - TV X-overs & Monsters Inc. - Rated: T - English - Drama/Angst - Chapters: 1 - Words: 195 - Published: 3/29 - Complete
Salvaged by DivaDJG123 reviews
Prompt: ( tinyurl / jqtmkpx) - This made me want to cry, okay! I might have put my own spin on it, but this takes the cake! This right here, made me want to both cry and fucking mow down somebody. I hope you are happy with what you made me do. (Credit: nate dont fly . tumblr . com)
Crossover - Monsters Inc. & Inside Out - Rated: T - English - Hurt/Comfort/Tragedy - Chapters: 1 - Words: 1,427 - Reviews: 2 - Favs: 2 - Published: 3/29 - Boo/Mary Gibbs, Sulley/James P. Sullivan, Riley, Riley's Mom - Complete
Monsters Versus Aliens by sillycucumber reviews
Based off the Tumblr post: Lilo and Boo become room mates in college. They become fast friends, and Boo doesn't shy away from Stitch and Lilo doesn't think Mike Wazowski is a weird name for a fish. Everything is going smoothly, until one night when something sneaks into their dorm, and Stitch disappears into the closet...
Crossover - Monsters Inc. & Lilo & Stitch - Rated: K+ - English - Chapters: 1 - Words: 22,007 - Reviews: 34 - Favs: 94 - Follows: 48 - Published: 3/20
A romance for two by Titans south reviews
Action romance for my first story
Crossover - X-Files & Monsters Inc. - Rated: T - English - Chapters: 2 - Words: 24 - Reviews: 2 - 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: 2 - 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 - Favs: 1 - Updated: 12/18/2015 - Published: 11/10/2015 - Boo/Mary Gibbs, Jamie
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 - Favs: 1 - Follows: 1 - 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: 7 - Follows: 9 - 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: 4 - 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: 7 - 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: 2 - Favs: 15 - 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
93 | Page 1 2 3 .. Last Next »