*Salute* Major Spoilers...
I just want to say that I liked almost everything about this episode until the end. So, forgetting that for now:

-What I Liked-

>The format of the episode - a bit like Lucky Penny but it didn't feel, to me anyway, that they were just reusing old ideas.

>Marshall's charts, it just struck me as very Marshall-y. I also love that his go-to stalling move is the fish stand-up routine.

>Ted's reaction to Robin saying she was pregnant.

>Dan Castellaneta (voice of Homer) as 'Milt'! (I also loved "Alien Time Machine")

-Things I Didn't Like-

>Barney's 200 - I'm in total agreement with Ted, it's too many. And really quite icky.

>The lack of Lily - I think they got away with it for a couple of episodes but now I just want her back :(

-Things I HATED-

>... well you can probably already guess. My... how shall I describe it... "Stella Reaction" went something like "No. No. WHY? No. No..."

Seriously?! My main problem is that I thought that (aside from the lack of Lily) this would've been a great episode to introduce the mother, which is why Stella's appearance at the end almost ruined the entire thing for me. BUT I'm reasoning with myself - three episodes left of the series...? There's time to fix this [obvious] mistake...