Pony General:"Season 12 will never air" edition.

 Episode 6

Rewatching it I saw this:

Thought it was the one from Sisterhooves Social but ended up wrong, so is derpy getting a sister?

BTW in school the male:female ratio seem something like 1:5 (at least) so unless there is a town full of stallions I guess there is no monogamy in equestria.

Also look at the ad I got in this thread:

First time seeing one(pony ad).