Need help redirecting all posts to home page

i have a video site with bhcb on it but when i put a new vid/post and google indexes it...a person can get in without hitting the lock...how do i get all links to redirect to the home page...or even better...get bhcb to work on all posts...i already tried to put it on every individual posts...i already tried to put it in header.php...and i already tried to hit brad...so a lil help would be appreciated...thanx in advance for ur time