So this is another AA/MLP animated series that I completely forgot about (I mentioned it once in the MLP thread 4 years ago). It's a sequel to Turnabout Storm. This time involving
and 
going to Equestria:https://youtube.com/playlist?list=PLIXx ... X7OPpyyo6E
The 2nd case has been finished, and the 3rd is underway. The animation and storytelling is excellent.