(Story idea requested by A Man Undercover, takes place directly after "Amending Fences" for obvious reasons.) Twilight realizes she's yet to apologize to Lyra for being a bad friend, and so she pays the unicorn a visit upon returning to Ponyville.
Invading an extra-dimensional mad scientist's secret lair? No big deal for the agents of S.M.I.L.E. But what Lyra and Bon Bon find there might give them some second thoughts.
Lyra Heartstrings has grown. Years of work improving herself and helping those around her improve themselves has granted her mastery of many things, but will it be enough to hold the world together during the coming trials?
Lyra thinks Discord is an idiot for not thinking to dodge when the Elements of Harmony were about to strike him. Discord thinks this is the perfect opportunity for a game.
If Ponyville's new repair-pony gets his way, the Mane Six won't even know he exists - and nopony in Ponyville will miss him for long once he's returned to Earth.