Need to be quick on this as they only have 200 codes.
1. Sign in on your Twitter account or register if you haven't got an account.
2. Tweet the following message:
"@noobtoob I'm a proud member of the Noobtoob Army! Watch the latest episode! http://bit.ly/5doLJ2"
3. Wait for them to reply using a Direct Message. If they don't, then you're probably too late.