• Stage 2, CBS Studio Center - 4024 Radford Avenue, Studio City, Los Angeles, California, USA

  • Lake of the Isles, Minneapolis, Minnesota, USA

  • Cedar/Riverside Apartments, Minneapolis, Minnesota, USA (Mary's Apt in later episodes)

  • General Service Studios - 1040 N. Las Palmas, Hollywood, Los Angeles, California, USA (1970-1972)

  • Kenwood Parkway, Minneapolis, Minnesota, USA

  • Nicollet Mall - 555 Nicollet Avenue, Minneapolis, Minnesota, USA

  • Minneapolis, Minnesota, USA