S20 · E75

Episode 2545 - I Only Did It The Once

Diane calls Marty home from school, and he discovers that Adele has locked herself in the bathroom and is threatening to take an overdose of pills, after Diane reacts to her news by slapping her. Marty wants to know who is the father of her unborn baby - but tells her that if she doesn't want to keep it she can have an abortion.