When Discord is reformed by Fluttershy, he returns to Canterlot along with Celestia to review his marefriend. Discord realizes that although Luna is happy to see him again, she is sad about what she did in the past.

Celestia realizes that Luna is very sad after Discord's petrification. Celestia, concerned for her sister, she is determined to discover the reason for Luna's sadness.

Since Spring Rain and Glitter Drops abandoned Fizzlepop Berrytwist after going to Princess Celestia's Gifted Unicorn School, they felt sorry for leaving her, but when they find out where Fizzlepop is, they decide to go and see her to apologize.

After Queen Novo has apologized to Twilight, Queen Novo returns to Seaquestria. Meanwhile, Fizzlepop Berrytwist decides to spend a few days with Twilight.

Queen Novo is summoned to Canterlot, at the request of Princess Celestia, Luna and Cadence. At first, she thinks it is for an important policy meeting, but it is not.

Twilight Sparkle feels guilty for lying to her friends and especially for yelling at Pinkie Pie.

Luna, the ex-princess of the night decides to spend time with her marefriend before returning to be with her sister. But when Twilight asks Luna to marry her, Luna will have to choose one of the two to live with.

Twilight Sparkle knows exactly how to help Luna relax after a day full of real duties. A ballet dance.

Twilight and Luna are invited to participate in a play. But when somepony has decided to steal the costumes, it's up to Twilight and Luna to find the clothes and find out the culprit before the play begins.

Spike is summoned to Canterlot by Princess Celestia. Twilight Sparkle is alone for a night at the Golden Oka's Tree Library, or so she expected.

After a sister fight, Celestia and Luna consider themselves ex-sisters. The Mane 6 has no choice but to stand beside one of the princesses. Will Twilight Sparkle be able to get her other friends together to join the Solar Empire?

It has been several days since Trixie went to the moon to keep company to Nightmare Moon, but when a lavender alicorn arrives, the mare is nothing more than confused as to why a filly is on the moon with a villain.

Luna finds out that Celestia has a student named Sunset Shimmer and decides to get a student for her too.

Luna, Celestia and Candace would like to have a daughter. Decided, they go to the place where they have foals to adopt. Each chooses one as a daughter. Will unicorn foals become friends? Or will they fight a lot?

After Twilight Sparkle tells the Princesses of Equestria an alternate universe where everything is the opposite, Celestia and Luna are curious and decide to visit this alternate universe.