Party Favor is bae! There I said it!
My list from best to worst:
Crusaders of the Lost Mark
The Cutie Map/Cutie Markless Parts 1 and 2
The Mane Attraction
Do Princesses Dream of Magic Sheep?
Slice of Life
Bloom and Gloom
The One Where Pinkie Pie Knows.
The Lost Treasure of Griffonstone
Tanks for the Memories
Castle Sweet Castle
The Hooffields and McColts
Made in Manehattan
What About Discord?
Appleoosa's Most Wanted
Make New Friends but Keep Discord