If you have not done so already (and really why haven't you?) make sure you download the Netflix Channel from the Wii Shop Channel. According to an e-mail Netflix sent out to subscribers the discs will no longer work after February 16th. Your Wii's disc drive will surely thank you.
If you haven't experience the wonder that is Netflix, follow this link to start a one month free trial of the service.
If you haven't experience the wonder that is Netflix, follow this link to start a one month free trial of the service.