Pinkie Pie gets her chance to ask Princess Celestia about something she observed during the Royal Wedding - what she believes to be an 'inside joke' between the Royal Sisters...
Chrysalis has wormed her way into the heart of a mighty empire, and uses the unknowing ponies as pawns in her quest for revenge against Twilight, Cadance and Equestria
A creature of old has been present in Equestria since the beginning of the rule of the alicorns, watching, waiting. He saw their fall and the sisters' rise to power. Now, for the first time in eons, he steps from watching and takes action.
Chrysalis has never been what most would call an 'ideal mother' to her only living daughter, the sickly Crown Princess Pupa. However, after a dreadful incident, the Changeling Queen is forced to confront her missteps as both a mother and a ruler.