I apologize for the short diary. Tickets are available for Feb 5,6,11,12.(2008)
http://www.comedycentral.com/...
from website :
Welcome to The Colbert Report. Everyone attending must be at least 18 years old. Tickets are non-transferable. You may sign up for stand-by tickets in front of the studio at 4pm (we can't guarantee admission). We are at 513 W. 54th Street in NYC.