The sword is the second "mention" of House's father (bio or otherwise) recently. Hope this is leading up to something. Has anyone heard rumors of Sean Connery doing a guest spot? :-}
Hee -- that would be awesome casting! Connery is 81 and Laurie is 52, so it would even be chronologically plausible. I know Connery can soften his Scottish burr into a British accent. Trying to remember if he can pull off a decent American accent . . .
I thought Chase's reaction to Park asking him out for drinks was spot-on in character. As sordidheart mentioned, Chase tends to not know how to deal with women with whom he does not want to have sex. But he is also not very good at saying no and sticking to it. When Park called him on his not-socializing-with-coworkers line by pointing out that he'd married someone he worked with, he could have easily replied that the marriage hadn't worked out so well. But he didn't. It's just easier for him to go along and get along. I personally don't care whether "Chark" becomes a romance or a friendship; the only thing I wouldn't like is if it is used as a speedbump on the road to the more conventional pairing of Chase and Adams.