Elisabeth Moss says this memorable 'Mad Man' scene was not fun to shoot

Peggy Olson was a fan favorite on "Mad Men" for many reasons, so it was no surprise when the internet went nuts over Peggy's strut into the offices of McCann Erickson at the end of the "Lost Horizon" episode. Walk up in the club like Peggy Olson. pic.twitter.com/dnxvWjdc4q -- Joe Berkowitz (@JoeBerkowitz) May 4, 2015 Career Goals #madmen pic.twitter.com/CBAjcCnNdY -- Siobhan Morris (@siomo) May 4, 2015 But at an appearance on "Late Night with Seth Meyers" on Thursday night, Elisabeth Moss, who p...