Yep, it appears to be down. Use this and manually connect to servers using /connect and then the IP in the console until we can restore it. Movie Battles II Server List
... and you'll get the same answer, the answer that is already posted in this very thread. Too bad you didn't even bother to read the thread you're replying to.
Master server is down. It isn't clear when it will be fixed, though MBII dev team is trying to get it back.
Modify your HOSTS file and your server list will be populated again right now, or use any other solution from here: When master server is down...