The origin of Izzy's tennis ball.

Cheerilee is a cat for some reason. Despite her inclination to not be a cat, she still has a job to do.

Celestia tries on her new bikini. She and Luna have a difference of opinion on its functionality.

Immortality has its drawbacks - the inability to die, for instance. Celestia and Luna seek to change that. Violently.

Cheerilee has had enough of the drunken princesses. She seeks out Twilight to set things right. Unfortunately, Twilight is all sorts of wrong.

Celestia and Luna are having trouble bonding. They decide to hold a competition with hopes of rekindling sisterly love. They gather their teams and engage in a spectacle for the ages.

Cheerilee and Zecora celebrate their birthdays in private. And Cheerilee is risking a different kind of gift this year.

Being retired was supposed to be a good thing. So why is Celestia so moody? She vents to Luna. Profanely.

Cheerilee is trying to get her mind off her encounters with Princesses Luna and Celestia. Unfortunately, there's always another princess. And of course she's been drinking.

Soarin joins Octavia for a morning stroll and shows her a new move he's been working on.

While Cheerilee enjoys another festival in Ponyville, she is interrupted by Princess Celestia, who is decidedly unwell.

Toss the ring on the bottle, win a stuffed animal. Simple. But not for Sunset and Twilight. Now Sunset is spending a sleepless night trying to figure out how to beat the game and win the parakeet. At the cost of her sanity.

In the wake of the Applewood Derby, Cheerilee's cheerleader outfit has become rather popular around town. She doesn't care much for the development and confronts the source of the problem.

Cheerilee unwinds at the bar after a typical week teaching. Things take a turn for the odd when Princess Luna takes the seat next to her.

Parent-teacher conferences have taken a turn for the weird and Cheerilee is trying to figure out why. She pieces the puzzle together to discover why.