HOTTEST SISTER ACT
(NBC, Oct. 30, 8 p.m. ET) Christina Applegate does another guest-star turn as Rachel's sister Amy, who agrees to mind baby Emma for a while. Uh-oh. Wasn't Applegate in Don't Tell Mom the Babysitter's Dead
BEST REASON TO GO BACK TO SCHOOL
(FOX, Oct. 29, 9 p.m. ET) The summer hit has its first new episode in six weeks, with outsider Ryan trying to enroll in school so he can study (or not) with the rich kids. Meanwhile Marissa's recovering from an overdose, and her mother warns Ryan to stay away.
SUREST SIGN OF FALL
It's the Great Pumpkin, Charlie Brown
(ABC, Oct. 28, 8 p.m. ET) Who can even think about Halloween without a rerun of this 1966 classic?
(MTV, Oct. 26, 9 p.m. ET) Gotcha, Demi. Just kidding. Prankster Ashton Kutcher
returns for an eight-episode run of his reality series.