Best Friends Until the End of Time by EvelynCHIE Air Date: 22nd June 2019 Written by: Gail Simone Synopsis: Luna and Celestia take a sister vacation while Twilight and her friends struggle to cover the princesses' many royal duties. Well, here we are, at the mid-season finale. So no ponies for a few weeks, and only 13 episodes left after this one. D: A short teaser has been released for this episode: Spoiler Please remember to use spoiler tags as appropriate until 24 hours after this episode has aired on Discovery Family. Thank you.