After watching this clip, you will never complain about going to the dentist again. New episodes premiere Thursday, July 16 at 10/9c on truTV They have to SAY it. They have to DO it. You have to SEE it. If laughter is contagious, these guys should be quarantined! Q, Sal, Joe and Murr have entertained each other for years with the most hilarious practical jokes they could imagine. Now these real-life best friends are challenging each other to the most outrageous dares and uproarious stunts ever to be caught by a hidden camera, all in the name of making you crack up and cringe. Subscribe to truTV on YouTube: http://full.sc/1s9KQGe Watch Full Episodes for Free: http://full.sc/1rghcLK truTV Official Site: http://www.trutv.com/ Like truTV on Facebook: https://www.facebook.com/truTV Follow truTV on Twitter: https://twitter.com/truTV Follow truTV on Tumblr: http://trutv.tumblr.com/ The New truTV Is Way More Fun! Watch clips, sneak peeks and exclusives from new shows like Impractical Jokers, The Carbonaro Effect, Hack My Life and more – plus fresh video from hit shows like Friends of the People and Fake Off. Impractical Jokers - Sneakpeek: Laughing Gas