One Day at a Time (1975)

S3E7 The Second Mrs. Cooper

Upon returning home from a weekend with their dad, Julie and Barbara express frustration about their father's new wife, feeling as though she's attempting to push them out of his life. In response, Ann decides to meet Mrs. Cooper in person for the first time. However, during their conversation, she discovers that the sisters haven't been entirely just or considerate towards their new stepmother.