Everything changes for Twilight Sparkle and her friends when a mysterious extraterrestrial ship crash lands in Equestria. When Twilight messes around in the ship's systems with her magic, she ends up transported to an alien world unlike anything she imagined: a box canyon in the middle of nowhere.

To get home, Twilight must enlist the help of the eccentric Red and Blue soldiers that live there... if she can get them to stop bickering first! Additionally, she finds herself being pursued by the enigmatic military agency known only as Project Freelancer. Back in Equestria, all is not well for Twilight's friends as forces involved with the crashed ship make themselves known. Reds, Blues and ponies will all have to work together to discover the mysterious connection between Equestria and Project Freelancer.

A crossover with Red vs Blue. Written with the intention for the story to be followable without having watched the series. (just don't expect to get all the references).

Now with editors! BradtheBrony and Rough_Draft.

I made a blog post explaining things. You should read it.

TvTropes Page.

The Last of the Time Lords. The Oncoming Storm. The Predator, those very names ring fear throughout the cosmos, and for good reason. Good men don't need rules, and there's a very good reason the Doctor has so many. Just coming off from a true Voyage of the Damned, the Doctor finds himself in one very new situation that he can safely say in all of his 900 years of living, he has never experienced before. Crash landing (Well okay, maybe that isn't quite so new at all for him.) in a land of talking ponies. And now he's one. Well, guess there's only one thing to do. Pretend he knows what he's doing and just do what he's been doing all his life. Run. Do a lot of running. And who knows, maybe he'll find a friend, and possibly more in the local Princess of the Sun. One thing to say to that, really. Allons-Y!

(A rewrite of Once a Time Lord, Now a Pony as it was meant to be, giving Ten and the MLP characters the written justice they deserved but I failed to give them in my first outing.)

Takes place directly after Voyage of the Damned for the Doctor, and Pre-Season One for MLP.

(Featured on 6/3/19)

One year ago the Doctor landed in Equestria after falling into some sort of rift. There he met new companion and friend Derpy while taking the guise of Ponyvilles timekeeper 'Doctor Whooves'. But one day while planning a trip to the past something happens.

With time changed and a mysterious but familiar force pulling the strings from the shadows can The Doctor save the day and fix the timeline?

The key to doing so may lay with Twilight Sparkle, but the she's not the Twilight the Doctor knows.

Cover image source:
http://darkflame75.deviantart.com/art/Doctor-Whooves-and-his-TARDIS-UPDATED-445060336

Five years ago, at the behest of Princess Celestia, Princess Cadance was sent to travel the world beyond Equestria's borders as a diplomatic envoy. During that time, she learned to move through political circles, wining and dining with the world's elite. Back home, her former classmate, Twilight Sparkle, has since proven her mastery of magic and been elevated to the ranks of Celestia's revered guard: the Battle Mages.

The two foalhood friends suddenly find themselves together again when Cadance is recalled to Equestria without warning and Twilight is given her first official tour of duty: protect Princess Cadance at all cost from both new and ancient threats. Now they are forced to navigate a world of assassins and diabolical plots that stretch back before the very founding of Equestria itself.

Big editing thanks goes to Bubble Boom for the first 8 or so chapters.
Any and all mistakes are otherwise mine.
Also big pre-reading thanks to Misago.

Twilight and Celestia couldn't be happier with their lives. That is until Chrysalis comes along to ruin that.

https://www.furaffinity.net/view/23812129/

This is a short story. The chapters are meant to be this short.

After the Phantom Ruby had been destroyed, Sonic the Hedgehog had expected to land back into his own world and finally find some time to relax. Instead, the blue blur managed to ended up into the magical world of Equestria during the middle of the first ever Festival of Friendship.

However, things quickly take a turn for the worse as the fearsome Storm Army attacks, enslaving everyone in the city and turning three of the four princesses to stone.

Now tasked with collecting the Chaos Emeralds, protecting Equestria, and finding a way back home once more, Sonic will set out on brand new adventures from a grand world expedition beyond Equestria to teaching at the first School of Friendship, but not without the help of some new friends along the way.

Sonic The Hedgehog is owned by SEGA
My Little Pony: Friendship is Magic is owned by Hasbro

Their camping trip to the Everfree had been through some ups and downs, but Twilight and her friends nevertheless return home having enjoyed it. However, as they enter the Friendship Palace, they're shocked to discover an intruder within. A mare with a very familiar face, who has come to them after having escaped a gruesome fate. But, if that were not surprising enough, then they're truly taken aback when this newcomer explains why she's here.

"To the city of Titans you will go, to the days of future past and back through Apocalypse. See the end of ends, and then battle my illusion.

Twilight and friends find themselves in a world of heroes, changed into their power ponies selves. There they must ask, who sent them and why? Meanwhile, two young women deal with nightmares from their past, reminding them of the horrors that they have wrought. United, the trio must go through challenges and many battles to find the cause of all of it, and save the universe once again.

They will travel through hell and back, seeing once and for all the heart of a hero and why friendship will never fail.

A crossover between X-men, Teen Titans, and MLP.

Dadab, the smartest Grunt in the Covenant, has mysteriously found himself in Equestria, and he's not alone. With him came an overly bossy Kig-Yar pirate, and a technophile Huragok. What shall the strange trio find in this magical new world? Glory? Fortune? Power? Or will they instead find more than they bargained for?

After a slipspace accident, Ale, a Spartan II, is the last survivor of the UNSC Enduring Ember. Lost, injured, and confused, the displaced soldier must come to terms with his new reality or risk falling into a terrifying isolation. All is not as it seems however, the super soldier having gained the attention of a threat that can rival even his strength and tactical wisdom. Will Ale choose a war that is not his to fight, or will he turn a blind eye as he struggles to find his peace?

For the most part this story takes place before season four, but it's been so long since I actually wrote this that things may slip through the cracks during the rewrite. I apologize in advance for this.

Book one of three.
Proofread by The dragon hunter

This is my first story so constructive criticism is appreciated. Enjoy!

(This story is undergoing a rewrite. Chapters marked with a * are new and vastly improved! The old version will still be kept however, so beware!)

Halo elements belong to Bungie, Microsoft, and 343 Industries. My Little Pony: Friendship is Magic belongs to Hasbro.

Warning! Spoilers in comments!