'How I Met Your Mother': Stripper Lily and kittens

It appears CBS released the following photos for the Sept. 28 episode of "How I Met Your Mother" a couple of weeks ago, but somehow we missed them.

The description for the episode "Double Date" says, "While on a blind date, Ted realizes this is actually his second first date with the same girl, and seven years later they still have nothing in common. Meanwhile, Barney takes Marshall out on the town, much to the dismay of Robin."

That and the first photo caption -- "Barney takes Marshall to a strip club where they find a stripper who looks almost exactly like Lily" -- explains this:

But there's absolutely no explanation whatsoever for this:



Any guesses?