When iOS 7 launched, Conan showed us all how to go about installing it. But as one eagle-eyed viewer has since pointed out, he screwed up big time — by trying to install the OS on an iPhone 3GS, which doesn't even support it.
In fact, it's the first time a viewer has successfully challenged Conan on the Fan Corrections segment of his show. But, as you might expect, Conan's reaction is preeeeeetty amusing. [Team Coco]