I dunno, the one time I saw it I wasn't even at home (but at parents-in-law) and I won't watch it again, it just isn't funny.
(American comedy as a general rule does not understand the finer points of irony, sarcasm, or satire in general. That's why I suspect most British comedies are so popular over in the US, is because they *do* understand these things and it makes them 10x funnier than anything normally put out by the US.)