Diamond Tiara questions both the identity and reality of her Princess. Celestia is confused. It is all very stupid.
Twilight emerges after a long time studying and working to find the town changed. Or has she changed?
Celestia disappears, Equestria falls apart, and Twilight goes West to recover her lost teacher.
The prospect of Twilight being possibly ageless like she and her sister are unnerves Celestia, and she wants to know why.
Twilight has one final Law of Magic to learn.
Twilight Sparkle, lost among the cosmos, would very much like to go home.
Luna has a very important conversation with a very unimportant pony.
Everything changes, and ponies aren't any different.
Sunset Shimmer graduates. Again.
Twilight has to work up the nerve to act on a crush for Rainbow Dash.
Sombra and Fluttershy try to enjoy a nice romantic getaway. In hell.
Twilight must come to grips with what it means to be an alicorn, and what it does not mean, while her friends wait for her to return.
Twilight receives, quite by accident, some disturbing news from a part of her life she had managed to bury.
Twilight Sparkle endures the darkness of space on a mission of mercy.
Rarity begins to realize that perhaps she's had somepony on her mind all along.