It's Parent's Night at Eastland and Blair's sophisticated mother arrives bringing with her, her flirtatious tendancies which prompt rumors when she becomes ""friendly"" with a married man.

Mrs. Garrett is surprised by a visit from her ex-husband, Roger, who wants the two of them to remarry. However, his gambling ways rub off on the girls who begin gambling on poker games and loosing what little money they have..

Tootie accidentally comes across a paper which lists the I.Q. scores of each one of the girls. Nancy received the highest score and Sue Ann scored the lowest, this puts extra pressure on each one of them just prior to midterm exams.