Pinkie Pride

[Episode name] is an upcoming episode of My Little Pony Friendship is Magic. It is produced as the _____th episode of the fourth season and the ____th episode overall.

Production and development
This episode was first teased at San Diego Comic-Con 2013 where Mike Vogel said, "somebody will give [Pinkie] a run for her partying money." It was also revealed at SDCC that this will be a musical episode and Amy Keating Rogers is writing this episode. "Weird Al" Yankovic's appearance was teased when Al met with the score composer William Anderson, who used to play harmonica and other instruments in Al's band.

Summary from Hub Network
"Pinkie Pie finds her status as 'super-duper party pony' in jeopardy when the mysterious Cheese Sandwich comes to town and offers to plan an epic party for Rainbow Dash. Guest voiceover by Weird Al Yankovic."