Gordon and Susan's apartment is upstairs in the brownstone at 123 Sesame Street. The apartment was used as a hangout spot in the early Sesame Street episodes, particularly the kitchen and dining room area. According to episode 3507, their apartment is number 1F. In the first episode, Susan invites Gordon and Sally upstairs for some milk and cookies. They're joined by Bob, who hangs a picture on the wall and Kermit the Frog, who watches Bob's magic trick. The Sesame cast visit the apartment often in the early episodes, including episode 0008 and episode 0043.