I've seen a few videos of this in action. They've also applied the cloaking onto other things such as Balls and cubes. It seems to work pretty well, but there are few things that could still use work. As far as I know, special lighting is needed... anyhows, its a crazy concept, but I'm sure that our governments have developed something similar years before this.
Ah yes, no Kim until 52 minutes into the show...and when we do get her, a fine twist and an answer to a question I asked in one of the previous threads about this show, that of what did Psycho Pops do to his wife.