And this is the entirety of what we get to know about Sam and Sarah's evening!
(Looks out upon a sea of pitchforks and torches)
I, uh... I'll just write a bit of FOLLOWUP information, shall I? Yes, very good.
Anyway, let the record show that, from this point on, if Grace's clothes become too loose or tear or something while transforming using her own abilities, it means she meant to do it. No more trying to look innocent and claiming "that's just how my transformations work!"