I've watched this video probably a dozen times or more and still get a giggle out of comedian Judson Laipply's incredible montage of dance moves throughout history.
If you're feeling like you need a little boost, then you'll want to watch the Baby Laughing video. I dare you to be grumpy after listening to this sweet little guy giggle.
Internet singing star Tay Zonday wrote and performed his song "Chocolate Rain" about the dangers of racism in 2007...and the viral video scene has never been quite the same.
If you remember Michael Jackson's classic "Thriller", you'll love this version: 1,500-plus CPDRC inmates of the Cebu Provincial Detention and Rehabilitation Center, Cebu, Philippines got together and performed their (quite good) version of the spooky pop song.