Conversation so far:
when does peggy go back to sterling cooper
Following a merger between Sterling Cooper Draper Pryce and Cutler, Gleason, and Chaough, Peggy Olson finds herself working again with Don Draper at Sterling Cooper & Partners.
who is the actress that plays peggy olson on mad men
Peggy Olson is portrayed by Elisabeth Moss.

Question: how many seasons
Self-contained rewrite: how many seasons are there in mad men