I was thinking  
“this is their water tight identification process!?”

@Gizogin  
Didn’t she beat it up first though?

Ah, the memories… Thank you for bringing this back. :’)

This dance is never not cute. And that it’s been used as a secret password of sorts twice now makes me smile.

So, no foolproof way of uncovering changelings? Unless you’re Twilight, I guess, since she definitely stripped one of its disguise in the S2 finale.

instant 10/10 episode

They did it! They did it agai- * ahem * I mean, this lame dance again. (ding)