I've put together several ideas for future episodes thus far, and I've managed to involve each of the Mane Six in some way.  But there is one main character that I haven't touched on yet, Pinkie Pie.

DRWolf Narrator by DavionX:
http://davionx.deviantart.com/art/DrWolf-Narrator-377863090

All other Characters and Images belong to Hasbro.