Back to the Future Crossovers
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We don't need Portals by BacktotheFanfics
When a modified DeLorean and a lightning bolt get Doc and Marty stuck in a post-apocalyptic America, their only hope of a way home is to investigate a shed. But when that shed hides more than just tools, they discover a whole underground scientific labyrinth, a couple of crazy AIs and the adventure of a lifetime.
Crossover - Back to the Future & Portal - Rated: T - English - Adventure/Friendship - Chapters: 8 - Words: 16,973 - Favs: 1 - Follows: 3 - Updated: 18h - Published: 1/30 - Doc/Dr. Emmett Brown, Marty McFly, GLaDOS, Wheatley
Back to My Future Part III by Koopabros451 reviews
The 77 year old Doofenshmirtz from 2046 was in the flying Delorean in 2016 and accidentally sent back to 1945 with a busted useless time machine. He sent Marty a letter. Now Marty must ask 46 year old Doofenshmirtz of 2016 for help to get back to 1945. In 1945 Doofenshmirtz has been acting as an engineer on a steam railroad. Just when the time machine is fixed, Marty meets someone.
Crossover - Back to the Future & Phineas and Ferb - Rated: K+ - English - Parody/Adventure - Chapters: 5 - Words: 2,912 - Reviews: 5 - Updated: 1/31 - Published: 1/23
Strike Witches Outa Time! by E2Fan32110
Before you read this, make sure you have read my story 'Strike Witches: Reclaiming Orussia', since both are connected. When their ride home gets hit by lightning, the 501st JFW is send 40 years into the future. But when they learn that one of their own died just a few days earlier, its up to them and an elderly scientist to make sure that the future is in save hands
Crossover - Back to the Future & Strike Witches - Rated: T - English - Chapters: 3 - Words: 9,693 - Updated: 1/28 - Published: 1/6 - Doc/Dr. Emmett Brown, OC
The Meeting Of Time Travelers by Vengeful Anarchy
An crossover holding in between it the bonds of The Flash, The Doctor, Doc Brown and Marty. As it happens they are under fire by each of their greatest enemies. Their polar opposities, can the timetravellers work together to save time? Or will they fail by the deadly assassins. P.S. YES THIS DIES ALSO CONTAIN THE FLASH, BUT I CAN ONLY PUT IN TWO MOVIE/SERIESES INTO THE DESCRIPTION
Crossover - Doctor Who & Back to the Future - Rated: T - English - Chapters: 6 - Words: 3,643 - Updated: 1/26 - Published: 12/20/2015
Back to My Future Part II by Koopabros451 reviews
A sequel to the first 'Back to my future' and just like the last one. This is a parody of Back to The Future Part II with Phineas and Ferb characters. Marty and Doofenshmirtz visit the future year of 2076 to stop Marty's son from committing a crime and getting himself arrested. But when Marty tries to change his future for the better, he changes everyone's past for the worst!
Crossover - Back to the Future & Phineas and Ferb - Rated: K+ - English - Parody/Adventure - Chapters: 8 - Words: 7,540 - Reviews: 8 - Updated: 1/20 - Published: 1/15 - Dr. Doofenshmirtz, Phineas, Vanessa, Ferb
Frozen's Back to the Future by ElsannaUniversalStoriesInc
Kristoff McFly is accidentally sent back in time to 1955 in his friend's time machine. When he arrives, he accidentally becomes the love interest of his young mother, Anna, before she met his OTHER mother, Elsa. With time running out, Kristoff must find a way to get the two together in order to save his existence.
Crossover - Back to the Future & Frozen - Rated: T - English - Romance/Adventure - Chapters: 6 - Words: 22,284 - Favs: 2 - Follows: 4 - Updated: 1/19 - Published: 1/12 - Doc/Dr. Emmett Brown, Anna, Elsa, Kristoff B. - Complete
Back to the Land Before Time by Mongoose Lover
Marty McFly Jr. reconstructs the old Dalorean time machine. He and his girlfriend go to the time of the dinosaurs and meet Littlefoot & Co. After Littlefoot and Chomper get into an argument, Chomper goes back in time, gets stranded, and eventually becomes the villain Sharptooth. Can Littlefoot and Marty Jr. set things right again?
Crossover - Back to the Future & Land Before Time - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 1 - Words: 363 - Favs: 1 - Published: 1/18 - [Marty Jr. M., OC] Littlefoot, Chomper
Back to My Future Part I by Koopabros451 reviews
A parody of the first 'Back to the Future' With Phineas and Ferb characters. Except instead of the main character (Phineas) going back in time to meet his younger parents, Phineas' son, Marty, comes back in time from the year 2046 to him and stops him from meeting his future wife (Not Isabella) with help from a certain doctor. I'm sure you can guess who.
Crossover - Back to the Future & Phineas and Ferb - Rated: K+ - English - Parody/Family - Chapters: 17 - Words: 12,410 - Reviews: 17 - Updated: 1/13 - Published: 1/3 - Dr. Doofenshmirtz, Ferb, Perry, Phineas - Complete
Back To The Future:The Freelance Police by Max The Rabbit-y Thingy
Just Part 1 of a screenplay i'm doing for fun.
Crossover - Back to the Future & Sam & Max - Rated: K+ - English - Adventure - Chapters: 1 - Words: 517 - Published: 12/28/2015 - Doc/Dr. Emmett Brown, Marty McFly
Withered by pugloveryotwo reviews
Poor Emmett Brown feels like he's done nothing worth while in his life. No family, one friend who hardly visits him, and no wife. But, when he re-visits his old past job, he finds out that some people want to care for him, some want to kill him, and one wants to love him. But, which category will express there hate or love first?
Crossover - Back to the Future & Five Nights at Freddy´s - Rated: T - English - Hurt/Comfort/Horror - Chapters: 1 - Words: 1,731 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 12/13/2015 - Doc/Dr. Emmett Brown, Balloon Boy, Toy Chica, Toy Bonnie
Back to Team Fortress 2 by Brewa
Doctor Emmett Brown has done the impossible: time travel. He enabled the DeLorean to float. Now, he has made the Dimensional Calculator, a device that enables the structure of the DeLorean and its cargo to hop dimensions! Using this, he traveled to a dimension full of guns, hats, and pootis. Yes, Doc Brown went to the TF2 dimension. Let's see how this turns out...
Crossover - Back to the Future & Team Fortress 2 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,623 - Favs: 1 - Published: 11/17/2015
The Doctor meets Doc Brown (A Prequel to Back To The Future 2) by Morbius Fitzgerald
This is a prequel to Back To The Future 2 wherein on the way to October 21st 2015, Doc Brown and Marty McFly find themselves in a familiar British Police Box with a certain Doctor. This was inspired by the Doctor Who stort "Timecrash" where 10 met 5, I was trying to go for a similar vibe. Its also supposed to be set at some point in Season 6B from The Doctor's Point of View.
Crossover - Doctor Who & Back to the Future - Rated: K - English - Humor/Sci-Fi - Chapters: 1 - Words: 753 - Favs: 2 - Follows: 3 - Published: 11/7/2015 - 2nd Doctor, Doc/Dr. Emmett Brown, Marty McFly
Ronald To The Weasley by Sploodington reviews
After an unexpected turn of events involving a time-turner, Ron finds himself in Hogwarts in the year 1963... With the time-turner out of juice, he has to work together with the Professor Dumbledore of 1963 to get back to his own time, and along the way has to save his parents' marriage, Dumbledore's life and his own existence!
Crossover - Back to the Future & Harry Potter - Rated: T - English - Fantasy/Humor - Chapters: 9 - Words: 9,511 - Reviews: 5 - Favs: 3 - Follows: 7 - Updated: 11/3/2015 - Published: 4/15/2015 - [Arthur W., Molly W.] Ron W., Albus D.
Passing Future by HoodedSource reviews
Tony devises a plan to get all of the Avengers and Agents of S.H.I.E.L.D. into one place and celebrate Back to the Future one last time before the future becomes the past. T for a few swear words. One-Shot only.
Crossover - Avengers & Back to the Future - Rated: T - English - Humor/Family - Chapters: 1 - Words: 1,466 - Reviews: 1 - Favs: 6 - Follows: 3 - Published: 10/21/2015 - Black Widow/Natasha R., Captain America/Steve R., Iron Man/Tony S., Pepper P. - Complete
Retour vers le futur magique by Iroko reviews
Aujourd'hui, Doc et Marty arrivent ! Pourtant on n'a pas de voiture volante ni de skate-board magnétique alors qu'ils en ont vu.
Crossover - Back to the Future & Harry Potter - Rated: K - French - Chapters: 1 - Words: 211 - Reviews: 2 - Favs: 2 - Published: 10/21/2015 - Marty McFly, Doc/Dr. Emmett Brown, Fred W., George W. - Complete
Ice Climbers to the Future by Yoshizilla-Rhedosaurus
Doc Brown and Marty McFly go back to 2015... but end up bringing the Ice Climbers with them! Will Doc Brown and Marty manage to handle exploring the future with Popo and Nana?
Crossover - Back to the Future & Ice Climber - Rated: K+ - English - Supernatural/Sci-Fi - Chapters: 1 - Words: 210 - Published: 10/21/2015 - Doc/Dr. Emmett Brown, Marty McFly, Nana
Space Back To The Ghost by Yoshizilla-Rhedosaurus
Space Ghost and the gang have an experience that blasts them back to the future.
Crossover - Back to the Future & Space Ghost - Rated: T - English - Sci-Fi/Supernatural - Chapters: 3 - Words: 470 - Updated: 10/21/2015 - Published: 7/5/2015 - Doc/Dr. Emmett Brown, Marty McFly
Back To The Good Morning by Yoshizilla-Rhedosaurus reviews
Doc Brown and Marty McFly get unexpected help from Uncle Grandpa.
Crossover - Back to the Future & Uncle Grandpa - Rated: T - English - Sci-Fi/Supernatural - Chapters: 3 - Words: 610 - Reviews: 1 - Favs: 1 - Updated: 10/21/2015 - Published: 7/3/2015 - Doc/Dr. Emmett Brown, Marty McFly
Back To The Jurassic Park by Yoshizilla-Rhedosaurus reviews
Great Scott, this is heavy! Doc Brown and Marty McFly unintentionally end up at the original Jurassic Park from a time travel experiment gone wrong! Hold on to your butts, because they spared no expense!
Crossover - Back to the Future & Jurassic Park - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 451 - Reviews: 1 - Favs: 4 - Follows: 5 - Updated: 10/21/2015 - Published: 6/12/2015 - Doc/Dr. Emmett Brown, Marty McFly, T Rex
Here Be Time Lords: The Scientist by Ford.Ye.Fiji reviews
Part six of the Here Be Time Lords series. Who else could build a time machine but a Lord of Time? Could it have just been a local scientist discovering time travel or could it have been something more? Disclaimer inside. THIS IS A DRABBLE. I REPEAT, A DRABBLE.
Crossover - Doctor Who & Back to the Future - Rated: K - English - Chapters: 1 - Words: 326 - Reviews: 2 - Favs: 3 - Published: 9/12/2015 - Doc/Dr. Emmett Brown - Complete
A Second Chance by J-Eastman
Steve Rogers gets a gift from a friend that was never meant to be given.
Crossover - Back to the Future & Captain America - Rated: T - English - Romance/Drama - Chapters: 1 - Words: 712 - Favs: 1 - Follows: 2 - Published: 8/30/2015
Back To The Future? by Dalekbuster523 reviews
When the 'future' starts to fall apart, Marty must once again team up with his friend Doc Brown as they go on a journey to discover the cause of the damage to time. Could it be Biff Tannen again? Or is the answer not as simple as it first appears...?
Crossover - Back to the Future & Doctor Who - Rated: K - English - Mystery/Adventure - Chapters: 7 - Words: 3,833 - Reviews: 5 - Favs: 3 - Follows: 6 - Updated: 7/22/2015 - Published: 12/23/2014 - 11th Doctor, Clara Clayton Brown, Doc/Dr. Emmett Brown, Marty McFly
Racing the Clock by sonicking2004 reviews
After her beloved stepsister had contracted the deadly Letumosis plague, her heartbroken stepmother sold Cinder to the Cyborg Draft where she would surely die. However, while this twist of fate led to her getting the cure that could save Peony, Cinder wasn't able to get it to her before she died. Can the timely arrival of a mysterious young man alter this tragic fate?
Crossover - Back to the Future & Lunar Chronicles - Rated: T - English - Drama/Sci-Fi - Chapters: 1 - Words: 3,049 - Reviews: 1 - Favs: 2 - Follows: 4 - Published: 6/8/2015 - Marty McFly, Cinder L./Selene, Peony
Wonder Woman in time by Bill Sayers reviews
Diana is looking after one of Doc Brown's DeLoreans. She shows it to the other amazons on Themyscira, but Ares attacks that night and Diana ends up going back in time with one of the amazons. Please R & R.
Crossover - Wonder Woman & Back to the Future - Rated: T - English - Adventure/Romance - Chapters: 8 - Words: 4,744 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 6/6/2015 - Published: 6/1/2015 - Diana of Themyscira/Wonder Woman, Hippolyta/JSA Wonder Woman, Hercules, OC - Complete
Baby's Baby by ThaliaofAvalon
Jennifer – you remember her as Marty's girlfriend. She tagged along on their adventures. Remember when Marty and Doc leave her on the porch? If there was an arrested Doc and a time traveling Doc, it follows that there must have been 2 Marty's as well. Jennifer wakes up in a nightmarish reality, then takes a trip to 1969 with Marty. Discontinued due to writer's block.
Crossover - Back to the Future & Dirty Dancing - Rated: K+ - English - Chapters: 1 - Words: 335 - Published: 5/30/2015
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