It's Parents Week at JFK Jr. High. Lisa is worried that her parents will find out she wears makeup at school. Miss Bliss assures her in a roundabout way that she won't tell. Nicki is worried that her parents will be disappointed in her and Lisa reassures her that they'll always be proud of her. Screech is worried that his parents will find out that he's not the coolest guy that he's told them he is. Miss Bliss reassures him also. He tells his parents the truth and they understand. That afternoon, Zack's father shows up to meet Miss Bliss and it turns out that they've met each other before on a special weekend trip on which they exchanged first names only. They are surprised and pleased to find each other again until Miss Bliss discovers that he's Zack's father. He tries to charm her and even kisses her--and just then Zack walks in. They try to explain and Zack's father invites her to go out to dinner with them. She is reluctant, but Zack says he doesn't mind. In the next s