I'd love to see the deleted scene that's featured at. 2.20...
...as I'm sure it would explain the are-they-robots-or-what? question. I think that's Roger's robot arm that slaps a malfunctiing Bobbi.
http://www.youtube.com/watch?v=eFTO2T7qzGo
You can 'elp me gather some Hollyhocks!