McLean Stevenson

Mrs Madrigal throws a Christmas party for her "family", Mona finds out the truth about D'or; Mary Ann finds out the truth about Norman. Mona moves back into Barbary Lane.

Norman investigates Anna Madrigal's past. Edgar is blackmailed. Michael and Brian go off in the night searching for a good time. Anna tells Edgar her secret.

Michael's parents visit San Francisco. Anna Madrigal and Edgar's romance blossoms. Mary Ann and Norman go trick-or-treating. Mona moves out of 28 Barbary Lane to be with her old lover. DeDe is blackmailed by Carson Callas

Mary Ann Singleton makes her vacation in San Francisco permanent, and after a brief stay with her friend Connie, she is welcomed by her new "family" at 28 Barbary Lane. It's not long before Mary Ann finds herself seduced by her new boss's son, Beachamp.

Mary Ann joins Vincent on the crisis switchboard; is confronted by DeDe and encounters the strange Norman Neal Williams. Anna takes Mona to "Beach Blanket Babylon."

In this landmark episode, real-life broadcast journalist and war correspondent Clete Roberts interviews members of the 4077th.