What if during the Summer Sun Celebration, Twilight didn't meet the rest of the main six? What if she met different ponies? What new things would she learn from these different ponies?
Think about it like Death Battle, only with less death and more hyperactive dialogue. It all started with a fateful encounter between Deadpool and Pinkie Pie. It turned into something bigger.
Something is very, very wrong with Equestria's sugar. Ponies with sugary diets have been sleepwalking, sleepeating, and sleep-staging a Canterlot coup d'etat. It falls to the city's most devoted insomniacs to find out why. (Joelestia)
When Twilight and Fluttershy move to another world to learn more about a race that even Celestia knows nothing about, they get into a very unusually strange, friendship-less world...
You are...you can't remember, so lets just go with Anon. You are Anon, and you have arrived upon Equestria as the result of a magical spell cast by Twilight Sparkle...your new roomate.
I'm a spiteful old man. I've spent my entire life trying to fulfill my wish. The same thing every one of us wants. It's 2070. I'm the last brony alive, 82 years old. But I did it. I created the portal. And I'm jumping through. No regrets.
After some pressure from her sister, Princess Luna decides to join up for a dating website in order to meet a nice pony and settle down. Who she finds, however, has more in common with her than you would think.
A lonely young man takes in Shining Armor and Cadance after he finds them on their doorstep, stranded from their own world. After becoming friends, the two ponies help the man open up to a woman he's attracted to.