Teaser: Stealing Joey's snack. Main Synopsis: It's the day before D.J.'s SAT, and she's so nervous about it that when she goes to sleep that night, she has a nightmare about it in which everything possible goes wrong: D.J. oversleeps on the day of the test and is late, and Ms. Twitchel, a neighbor D.J. yelled at, is the teacher, Danny and Becky come by to broadcast the test live,