Big Mac finds his way home.

With Twilight's help, Fluttershy endeavors to discover the meaning of a book given to her as a parting gift. She soon discovers that the book will help her remember the breezies in a way much different than she expected.

Twilight had always warned Apple Bloom that she should be very careful with potions. If they aren't made just right they can lead to catastrophic consequences. The filly was never too worried about it until she learns the hard way that potions can have unexpected effects.
More specifically, she accidentally creates a carnivorous apple tree with just one goal: avenge every single apple ponykind has ever eaten.

When Celestia realizes that pirates are attacking Canterlot, she's relieved to discover they are actually friends of old who have abandoned their pirate lifestyle to pursue a career in a capella performance.

Every year, Princess Cadance is tasked with spreading love throughout Equestria on Hearts and Hooves Day. But this year she just wants to spend some time with her special somepony, so it's up to Twilight to fulfill Cadance's duties. Unfortunately, Pinkie Pie tries to help.

When Gilda arrives at Rainbow Dash's house in the middle of the night, desperate for help, Rainbow Dash is eager to seize the chance at making amends. Gilda, however, might not be so forgiving.

A very boring story about Discord. I'll save a few minutes of your time and just tell you the whole story right here.
First, Discord can't find his leg. Then he finds it. Then he takes over Equestria.
I'm being completely honest when I say that you should not bother reading it. It's about as interesting as that three-sentence summary I just gave you.

Fluttershy always looked forward to the peace and quiet of old age. It came as a pleasant surprise when her life partner, Rainbow Dash, settled down as well. But when the time comes for Rainbow Dash to leave her home behind, she isn't quite ready to go.

Pinkie tries to study genealogy. For a while everything goes just swimmingly, but in the end she really fowls it up.

Have you ever wondered why ponies, a vegetarian species, would have even invented the sport of fishing? If you have, or if you do now, then all of the answers you seek are right here.