2x07 French Leave
1x16 The Wild Bunch [2nd watch]
4x12 Blowing Smoke
Mad Men just goes from strength to strength -- I don't think there's anything else quite so addictive on TV at the moment.
[Watch it (again) in HD on iPlayer.]
1x06 Scaredycat Part 3 [season finale]
I'd meant to watch this last Friday (having watched the first two parts on Wednesday and Thursday); can't remember why I didn't now. Anyway, I saw that twist coming! Go me!