Looking the user reviews vs the episodes: Whenever Castle literally cheats on Kate and walk with some bimbo in front of Kate, some viewers vote it up, but whenever Kate feels insecure by Castle taking her for granted, diminishing her appeal, making her close to someone universally desired by most women, they hate the episode and call the guy random. Tsc tsc tsc
The episode makes total sense. Do I like the heroes cheating? NO, no one likes this, because it decreases the charisma we feel for them, but it really makes sense for Kate to do what she does. And it would be good to not have double standards when judging who is cheating who. Castle deserved it and Castle is a charismatic geek comical guy and this didn't change in this episode, he is the same as always.
So the episode feels right, despite the cheating part.
So the episode feels right, despite the cheating part.