McMillan & Wife: 'Till Death Do Us Part, An Elementary Case of Murder (1972)

Note from serial killer — at McMillan & Wife, 1972.

 looking suave.

 The Golden Gate bridge is always featured.

Another hideous (maternity?) dress on Sally.

 One of Mac's old girlfriends is in trouble.

This home has been on 2 episode so far that I've seen. — with sea shells and bear skin rug.

It also has an unsafe floating staircase 

TV dinners of the 1970s.