Apparently, Luna will appear in season 2, though it isn't released yet, so it can't be confirmed.
There has been so far 1 Episode with Princess Luna in Season 2:
Episode 4 Luna Eclipsed;
There are 13 episodes in season 3.
There are 26 total episodes in the fourth season of My Little Pony: Friendship Is Magic.
There are 13 episodes in the third season of My Little Pon: Friendship is Magic. The reason behind the half-as-long season is so that the series now has the correct number of episodes to sell as a bundle to other networks.
Yes, she became a princess in the season 3 finale.
Well Magical Mystery Cure was the last episode of season 3. There are no episodes after it, until season 4. It was released on Nov. 23rd 2013, as a two-parter entiteld "Princess Twilight."
It is not known. The only information known about season 5 is that it will have 26 episodes.
Yes. It has been approved with 26 episodes and will start November 23, 2013.
Yes. Season 5 of My Little Pony: Friendship is Magic is currently in progress with a new episode almost every week.
At least 91. 65 episodes have aired so far, and another 26 will air in season 4. There is no word on whether there will be a season 5 and probably won't be for some time.
Amazon.com Go to their search bar and for the category, choose the Movie's & DVD's and type in "My Little Pony Friendship Is Magic Season 1 DVD". All the episodes are on YouTube for free without ads too
There are 64 episodes of Pretty Little Liars, Season 3.
There are 13 episodes in season 3.