I Am Number Four: The IMAX Experience

‘I Am Number Four’’ is a well-made, reasonably diverting night at the multiplex that will seem overly familiar to everyone except teenage girls. It’ll be a retread to them, too, but that’s why they’ll like it — a sci-fi/fantasy drama that’s moody and broody to the point of occasional near-coma, “Number Four’’ represents an acceptable holding action until the next installment of “Twilight’’ rolls around. The twist: Instead of a misunderstood bloodsucker, the adolescent hero is an alienated alien. His skin doesn’t glitter, but at several points his palms do glow and shoot out laser beams. So maybe the priests were right about masturbation.