Penny goes out for what she thinks is a Voice Acting job with The Muppet's. The Audition is at their Garden Party. Where she soon finds out it is not a voice Job but a replacement part. As Miss Piggy has left the show they are looking for a new one?
This looks like it must be some kind of mix-up. The kind that gets you a spot in this month's challenge. There is no confusion. Your image is definitely mixed up.