Mad Men - Season 4, Episode 2: Soundtracks

Over closing scenes of Peggy with her boyfriend and Don leaving the office laden with gifts....closing credits

(28:05) At the SCDP Christmas party, Joan and Lee Garner Jr lead Trudy, Pete, Megan and others in a conga line dance.

(31:53) Sally enters her room after Glen and his cohorts trashed the rest of the Francis residence.

Sally goes into her bedroom and sees it hasn't been trashed.