Princess Celestia notices that since her sister's return, Princess Luna has grown more lonely each night. As Luna's older sister, she aims to solve the problem by getting Luna a companion.
The last lesson concealed within Celestia's last written letter known only to Celestia, learn the final lesson the Princess of the Sun discovered herself
The Cutie Mark Crusaders sneak past some security to see what Luna does on Hearth's Warming Eve, what they discover will forever change their understanding of what Hearth's Warming means to Luna
The Cutie Mark Crusaders, three fillies who joined together with a goal of achieving their cutie marks, finally achieved their lifelong dream. After they received their cutie marks though, their friendship turns for the better or worse
Sunset Shimmer has betrayed Celestia and entered the mirror to another world. However, the first day in this new world would change everything when an accident causes Sunset Shimmer to lose her memories.
Rainbow Dash thought that she had finally gotten rid of her adorable "infestation." She was very surprised to see it turn up again at the foot of her bed one night.
Applejack comes across a Pinkie duplicate hiding beneath her barn wreckage. But, somehow, this one is different than all the others. She calls herself Pinkamena. Takes place right after Too Many Pinkie Pies.