Get a look at scenes from the Mad Men "Mystery Date" in this official trailer from AMC. Look for Joan to make a momentous decision on the episode.
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Mad Men Season 5 Episode 3 Quotes

I married you, and I'm gonna be with you until I die...which could be this afternoon.

Don

Greg: The army makes me feel like a good man.
Joan: You're not a good man. You never were.