Season 5 Episode 100 info revealed by Hasbro · 11:03pm Feb 26th, 2015
Hasbro officialy revealed some secretive stuff after a convention to a writer for Equestria Daily and they gave out some fantastic information
Episode 100:
No mane 6, all background/minor ponies
Doctor Whooves, and very heavily hinted that he is similar to the actual Doctor Who version
Some fan-established background pony personalities will be seen, while others will have entirely new ones.
As many background ponies crammed into it as they can, while still having a fun story
While they aren't allowed to read fanfiction to avoid a conflict of ideas, they are still very aware at what is popular.
So get hyped guys cause Episode 100 is going to be absolutely amazing.
Geronimo, Allons-y, Fantastic, Gallifrey Stands and all the hullaballo!