Rachel must get a ""B"" on a test or she can't go to the Bayside Ball with Brian. Brian sees a copy of the test and tells Rachel what she should study. She makes the ""B,"" but now she thinks she doesn't have to work hard for good grades. Also, Mr. B is doing a performance evaluation of Screech. Screech enlists the kids to help him look good, but his plans keep backfiring. (thetvdb.com)