By registering, the following additional features will be available to you: -You can log in and retrieve you personal settings on any computer. You can identify your favorite shows and view them on a daily viewing calendar or highlight them in the grid. -You can choose to view six hours of listings on the grid instead of three hours. More features will be added in the future. If you are not sure whether you've already registered, please try registering again. If we already have your email address in our system, we will tell you and you can have a new password sent to you.