I think I'm done reviewing Glee, and possibly done with the show entirely. Each episode is increasingly filled with random horseshit that the good moments are harder to find; in "Pot O' Gold," there are literally none to be found. Because of all the terribleness, I want to dissect the episode and point out each piece of crap. The problem is, I don't have the time. So I'm probably going to continue to watch the show, but not bother saying anything about it.
In general, a review of any random Glee episode will consist of the following: There are a bunch of stories and most don't work. The songs are generic pop songs and add nothing to the episode other than adding a song. A couple characters are batshit insane and inhuman, but the writers keep writing them like that. There are multiple lapses of continuity, leading to questions about character motivations.
"Pot O' Gold" somehow combines the very worst of everything Glee does, and rolls it up into one stinking episode. From what we've seen in the past, Glee could be a very good show, combining humor and drama effectively. The writers, however, are far too lazy to do that on a consistent basis.