Eight Is Enough - Season 4 Episode 12 Arrivals
Overview: Tom and Abby believe that Susan is depressed because Merle is gone but learn that she is pregnant. The girls try to cheer her up. Joannie meets a psychic and holds a seance to help Susan. Merle arrives to win her back and finds out she is going to have their baby. Ernie and Tommy use Nicholas as bait to meet girls.