Left 4 ____. Maybe "Shade." Maybe something else.
It would be a DCA adaption of Left 4 Dead, or at least a few levels of it.
Have you ever played even the demo of L4D? You can get it on the PC. It's the newest wacky game by Valve, the creators of Half-Life and Portal.
Left 4 Dead would definitely be perfect for a DCA episode, though. If you want a VERY good example why, check out this video.
http://www.youtube.com/watch?v=NyF5fZHhriY Warning: It has swearing in it. But, it is the perfect example of Murphy's Law, "Anything that CAN go wrong, WILL go wrong."
If I find any other, funnier ones, I'll let you know. I've got some good ideas brewin' in my head.
And don't worry, Episode 52 is nearly complete.