Ok i know what your think. Slenderman the guy that kidnaps kids and there never heard from again? Surely not that slenderman!
Well yes that slenderman is exactly who i'm talking about. Of course you and him aren't great friends like me and him i suppose.

Twilight's mother, Starlight Sparkle, has gone missing. In an effort to find her mother, Twilight discovers some documents revealing an incident that happened before she was born. Documents, historical books, and calenders have been destroyed to keep Twilight from figuring out her mother's secret. The main 6 work together to discover what happened on 30 years ago. Photo created by Deviant Art artist (mmadhu94) I thank him for making such an awesome photo!

The story contains:
Flashbacks
Current Issues that follow Twilight's mother
Current Main 6

Everypony know that the three Cutie Mark Crusaders are bent on finding what makes them unique. But has the time finally come for them to find out who they really are?

[NEW VERSION HERE]

With the help of forces beyond their control, six friends discover their true importance in Equestria’s timeline. With this new knowledge in hoof, they must try to figure out whom or what has crosshairs on their foreheads. The Elements of Harmony aren’t the only weapons of mass destruction in Equestria.

"Dear Celestia, what have i got myself into?" Twilight and Rainbow Dash have always had each others back, but now Dash has no choice but to put her life in Twilight's hooves. Due to one of Twilight's magical experiments gone wrong, Rainbow Dash has been changed back into a 3 year-old filly. Now Twilight has to find a way to to change her friend back before the effects become irreversible. But will Twilight's attitude go from 'mother' to 'lover'?

What if Twilight Sparkle's letters to Princess Celestia started a religion?

This is the story of Brother White and Brother Scroll. One of them is an upstanding young unicorn eager to do whatever he can to make other ponies happy. The other is a shy little loner who's never had a real friend before. What do these two young stallions have in common? They are both members of the Fraternity of the Joyous Friends of Princess Celestia, an organization dedicated to teaching Equestria and the world about the magic of friendship. When Scroll and White are assigned to Earthquake Island, however, they find themselves in over their heads. Can the teachings of the Book of Friendship help them save an island run by a brutal warlord, wracked by war, poverty, and hatred?

If you had a choice, would you switch bodies with your best-friend?
Octavia and Trixie didn't even have a choice.

After a night on the town to get away from their stressful daily lives, Trixie and Octavia wake up the next day to be astounded by what they saw; that they had switched bodies over night! When they realize that they won't be able to switch back before several important events in their lives, how will they adapt to being each other? Will Octavia be able to learn enough magic to woo a crowd? Will Trixie be able to play the Cello well enough to not ruin Octavia's lifetime of work? Read and find out!

Author's note: Artwork by: http://johnkapid.deviantart.com/
This story was inspired by the movie "The Change-Up". Title credit goes to Klondike Pony!

During Rainbow Dash's first interaction with her friends' Pony Pet Play-Date, she was determined to get herself a pet. However, the way she went about getting one didn't sit well with one particular pony. Having had enough of the Pegasus and her lack of compassion, Twilight Sparkle makes both a brave and stupid challenge that leaves Dash and the rest of her friends wondering if she had gone insane. However, Twilight was determined to teach Dash a lesson, even if it meant getting humiliated. What fate had in store for the unicorn and Pegasus was not what anypony had expected, especially Twilight and Rainbow themselves.

'John Smith' has settled in Ponyville with his wife and two daughters for many peaceful years. When the TARDIS gets a temporal distress call, Doctor Whooves and his family find themselves lost in time. Now Derpy must contend with not only monsters and maniacs, but the future and past versions of her husband!

Be Awed and Amazed by the tale of Sweetie Belle as she traverses the multiverse in search of her lost mentor and friend, Twilight Sparkle! Will she find her in post-apocalyptic Equestria? Or maybe in a strange world where everypony is the wrong gender? Or even where a Pony claims to be a human? Read as she journeys through very familiar worlds you might have read about... if you dare!

At this point in time all the main worlds to be visited have already been chosen. Thank you all for the suggestions, and I hope you enjoy the surprises!

Here's the official TSC:F Music Intro: The Sweetie Chronicles: Fragments

WDTP: S2/3-CE
You can also visit the TV Tropes Page which has spoilers!