viral video

I was busy clicking on video after video hoping for something to catch my interest if not for a few moments when I saw the title of this video, 'Biggest Fox News Error In History.' I just had to click to see the video.

It was a big week for the history books, and that was reflected in the most-watched and talked about viral videos of the past seven days. We saw the return of Will Ferrell as George W. Bush, a few other Osama bin Laden-related videos, an emotional acceptance speech and an amazing ping pong shot. We even saw First Lady Michelle Obama do the Dougie. What were your favorite viral videos of the week?

It was yet another great week for viral Internet videos, and we've compiled the 10 best that had everyone talking. Among our favorites: Hilarious parodies ('When Harry Met Sally 2,' starring Billy Crystal and Helen Mirren), on-air news pranks and a New York-based hot dog that costs, yep, $69. Watch them all below.