I didn't really like this episode or last episode.  In the previous episode, nothing happened at all.  In this one, too much happened - specifically, a ton of revelations that deflate Melissa's mysteriousness/creepiness.  I don't want to hear that she's been trying to save Spencer all along.  And none of these trips…

I think you're missing what's so fun about the show.  The whole point of the show is these comically low stakes over meaningless arcane A-related minutiae.  The show can never reveal who A is or even come close, not until the very end, so every episode is about some non-mystery that brings them no closer to finding…

"…hosting a sleepover in their family’s Cape Cod rental."