I missed "Paranormal Parentage" last week (and the stupid library computers can't handle more than 10 seconds without buffering when I go to nbc.com

).
However, I loved "Conventions of Space & Time." It felt just like old times. I'm suddenly a lot less worried about the show overall. Hopefully "History 101" was the sole misstep this season.
The only thing I'm really not liking this season is the Britta/Troy relationship. Their awkward, almost-flirting in "Competitive Wine Tasting" & "Origins of Vampire Mythology" was OK. But overall, I don't see the chemistry there. I just think she's too smart for him and he's too dumb for her. (Unfortunately, the writers seem to be making her progressively dumber ever since Season 3.) I love them separately but not together.
That said, one of my favorite bits from this week's episode was at the end when Troy asked if it was OK if he left her and went looking for Abed. I loved the look on Britta's face when she said, "I told you, I don't care about
Inspector Spacetime." (I see that sympathetically-interested-but-needs-to-gently-remind-that-she's-not-an-actual-fan look from my mother all the time. I know it well and Gillian Jacobs absolutely nailed that scene!

)
Also, loved the Tricia Helfer cameo. I loved the parts where I could recognize the almost-
Doctor Who references.
One thing I've been noticing about the show a lot ever since Season 3 was that Jeff has been a lot less prominent than he was in Seasons 1 & 2. I have mixed feelings about this. On the one hand, I love Joel McHale's performance. On the other hand, I love that the writers are less and less afraid to make him just as neurotic as the rest of the cast. His vanity is hilarious. ("Weight sensors?!?")