One Day at a Time - Season 4 Episode 6 Yes, Sir, That's My Baby
Overview: Sally, an old school friend of Barbara's shows up for a visit with some news, she's now a mother. Originally, she agreed with the father to give the baby up for adoption but after one look at the baby, decided to keep it. However, the big bombshell is dropped when she mentions that the father is Cliff Randall, Barbara's boyfriend.