I really enjoyed this, but the ending was ridiculous. It's like they just threw in the ending for the sake of a suspenseful double-cross - having Castle so completely fooled made him look like a total moron. Also, I'm mad that they totally wasted the opportunity to bring back Jennifer Beals, although I would have…

Another excellent episode of AD, with strong A and B plots. 
Both plots get resolved in a similar way - they get thrown / fall off a cliff - nice symmetry!
Loved that Roger gets his comeuppance at the end, yet still gets in one last dig at Francine.

The cul-de-sac crew should adopt pet cougars which roam around and terrorize the other neighbors.

Isn't Dr. Blakely Ellis De Wald from Beverly Hills Cop 3?   ***checks IMDB*** Bingo.

Further to that point, what would be an example of something not sounding like unscripted banter?

I liked how the throwaway gag with scanning Roger's butt at the mailbox store is used to tie the A & B plots together.

Wheels and the Leg-man is one of my favorite American Dad bits. Really looked forward to this one - lots of excellent gags, like Teddy Bonkers always being setup based on what they're saying - overall, I was a little disappointed as I thought they could have gotten a lot more mileage out of Stan, and it's not as…