First of all, loving the Muppet Show "At the Dance" reference by Stan.
Secondly, the pairing of this episode with the Family Guy episode was a pretty clever move. intentional or not. While we saw Stewie not really kill Lois, and it was all a dream, Hayley really shot Stan. And they tried to play it off as a dream. Brillaint. These episodes work well together.
Seeing Klaus as a character again was great. i felt they put him too far in the back lately. I love Roger, but sometimes Klaus can really make the episode memorable.
The subplot was another funny little Steve/Roger bit. Both fighting over who should be the odd partner out, and both being in wheel chairs. Then finding random people on the street and pretending they're their partners. That was great. And the flashback sequence Steve had of a whole minute ago was a nice little gag too.
But I just love these action packed fight sequences from FG and AD. They pull no punches, and actually open fire on each other. now this is what I like to see in animation. Cartoon blood. Because no one really gets hurt, so you can do whatever the heck you want to them.
Like how they got rid of Hayley's BF at the beginning of the episode. And the activation code phrase? Priceless.