YouTube

Are You Smarter than a 4th Grader (VIDEO)
Keyes and Riley compete in part-two of "Are You Smarter than a 4th Grader?"
Play along with us! Watch the video and see how many you can answer correctly, and buzz in first.
This was a science edition of "Are You Smarter than a 4th Grader...
Best of YouTube 2015
YouTube, ITube, WeAllTube. That was never truer than it was in 2015 when the site continued to be a destination for people to see the best and hottest videos.

Load More Articles