Entertainment Dr. Who Delivers The Best Knock Knock Joke Ever Published on: December 19, 2012 at 3:12 AM ET Written By James Johnson News Writer David Tennant tells the best knock knock joke ever courtesy of his Dr. Who character. TAGGED:David Tennant Share This Article Facebook X Flipboard Whatsapp Whatsapp Telegram Copy Link Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form. Hidden Field Want the latest updates on news, celeb gossip & political chaos? From hard news and political drama to celeb stories and entertainment buzz, delivered straight to your inbox. You can unsubscribe anytime. For more details, review our Privacy Policy. Don’t get FOMO — Subscribe now
