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Grey's Anatomy DVD is nice show. The musical was really funny and I think we can establish who can sing and who can't by the way Callie basically sings nearly every song. An amazing season, which can only get better next year.
Desperate Housewives DVD Coming into this season after the way they ended season 6 was going to be a challenge, but I think it was handled beautifully. Spoilers ahead: I know many people criticized Christina's story line at the beginning of the season, but it was my favorite.
Curb Your Enthusiasm DVD I went through a tragedy once myself, and seeing her pull away, change who she was, and then finally come back with a vengeance was like watching what I went through. I loved that she really went through the grief rather than wrapping it up in two episodes, it was more realistic to me.
The L Word DVD I will say there is one episode I absolutely hated, the documentary one I definitely could have done without, but don't let that one episode be the reason you don't get this set (you may like it), because the rest of the season is in true Grey's form. I also loved the journey of Alex this season, he and Christina were both center stage and it was a nice change of pace.
The Big Bang Theory DVD Callie, Mark, and Arizona's journey as a "family" was also a good storyline. Adele's Alzheimer's was heartbreaking, and if I had been Meredith I would have done the same thing.