You missed quite a lot, actually (I don't get writing reviews of shows that weren't seen in full, but at least you were honest about it) as there was a whole sequence with Quagmire trying to help Peter. There's a bit with Quagmire and marionette strings which I thought was pretty funny. This was hit and miss mid-level …

I haven't really given it much thought, but there seems to have been so much discussion about what "high concept" means there have been tons of articles written about it: