Zero Bridge

In Theaters: 'I Am Number Four,' 'Unknown,' 'Big Mommas,' 'Putty Hill'

Another Friday brings us another blockbuster, this one aimed squarely at the fluttering innards of tweenish types everywhere. And for the dads that drop them off at the theater, Mr. Neeson kicking ass, and for the true masochists, a new entry in the Granny Drag cannon. Of course, if you so choose, there are some interesting offerings in the mix, if pretty aliens and badass Neeson and Martin Lawrence don't entice you. Opening in wide release, Alex Pettyfer hopes to earn his diva behavior with "I Am Number Four," Liam Neeson stars in the reverse-amnesia vehicle "Unknown," and there's an unasked for sequel in the "Big Momma's House" franchise. I...