Plot: When Griffin accompanies Hilton to ""Grandparents Day"" at Jurnee's school and adds his two cents to the science lesson, it quickly becomes apparent that he is a natural at teaching and holding the kids' interest. Who would have thought?? Hilton is thrilled that Griffin has uncovered a talent for this most noble profession, while Erica is more than ticked off when she learns that Griffin achieved a higher GPA than she did in college