You could try pulling it through a U.S.-based proxy? proxy.org has a list of functioning anonymizers. I believe the filtering is based on the requesting IP address, so that might get you there. Honestly, I have no idea -- I'm just spitballing here.
On a different note: what the heck is it with media companies' web sites? Why do I have to start at page 45 and page back through 15 pages of episodes to get season 2 episodes? Why does clicking a link reset me to page 1 again? How about a scrolling div with all of the episodes listed, or a tree control, or at least a text box where I can jump to a specific page? And then, to top it all off, when I click on "The Alternative Factor", I get "Balance of Terror". You've been one of the dominant companies in mass media for going on 80 years...and yet you can't hire one decent ****ing web designer?