Hollywood planned a 2nd straight weekend friendly for family filmgoers who have pent-up demand. With 20% of K-through-12 out of school today, Pixar/Disney's 10th pic and first 3-D movie, Up, was able to get a jump on the domestic box office with busy matinees from 1,534 3-D theaters -- a record -- and a total of 3,766 theatres total.