03/26/2012 09:00 am ET | Updated Mar 26, 2012

'Mad Men': 'Zoo Be Zoo Be Zoo's' Musical History

On the "Mad Men" premiere, Megan (Jessica Pare) performed a surprise public serenade to her husband Don Draper that had Harry Crane and Stan Rizzo struggling to pick their jaws off of the plush carpet of Don's new pad.

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