Do you know your geek trivia? Let Doctor Who show you a thing or two. Find Your Channels during YouTube Geek Week, August 4-10: http://youtube.com/geekweek GOOGLE+: Follow +YouTube (http://plus.google.com/+YouTube) and use #GeekWeek (http://goo.gl/PrQ9CQ) TWITTER: Use #GeekWeek (http://goo.gl/dAfS4A) and tweet @YouTube (http://twitter.com/youtube) WATCH More of Doctor Who - http://www.youtube.com/doctorwho WATCH More Alex Day - http://www.youtube.com/alexday WATCH More Nerdist - http://www.youtube.com/nerdist YouTube Geek Week is August 4-10 on the YouTube Spotlight channel. The YouTube Spotlight channel selects the best trending videos from across YouTube and posts them to your feed daily.