Or don’t have cable? Well NBC.com streams the episodes for about a week or so. However you need to be inside the U.S.
There are ways to work around this… such as Hotspot Shield. Which uses a ‘Virtual Private Network’ to make it look like you are inside the United States. It’s free and safe to use on any PC or Mac.
RoveFeed does not necessarily condone using such a service but merely lists it as a reference…
