In the episode where Betty White Guest Stars as a Local T.V. Woman. Mona and the rest of the family are watching something scary on television. After it is over Mona is scared and asks if she can spend the night over at Angela's. Angela agrees, but she says "Mother, your apartment is right across the driveway." However Mona does live across from the driveway but not until early 1985 this episode is still in 1984.