Eight Is Enough - Season 4 - Eps 12: Arrivals
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.
About Eight Is Enough

Title: Eight Is Enough
First Air Date: 1977-03-15
Last Air Date: 1981-05-23
Status: Ended
Rating: 6/10 (from 31 votes)
Language: EN
Seasons: 6
Total Episodes: 112
Network: ABC
Genres: Drama, Comedy
Production Companies: Unknown
Synopsis
Eight Is Enough is an American television comedy-drama series that ran on ABC from March 15, 1977, until August 29, 1981. The show was modeled after syndicated newspaper columnist Thomas Braden, a real-life parent with eight children, who wrote a book with the same name.
Cast

Dick Van Patten
Tom Bradford

Betty Buckley
Abby Bradford

Grant Goodeve
David Bradford

Willie Aames
Tommy Bradford

Dianne Kay
Nancy Bradford

Connie Needham
Elizabeth Bradford

Lani O'Grady
Mary Bradford

Adam Rich
Nicholas Bradford

Susan Richardson
Susan Bradford

Laurie Walters
Joannie Bradford