Impractical Jokers: Inside Jokes - Mariah Carey Fire Safety Training

When it comes to workplace safety protocol, Sal and Murr aren't sugar-coating anything.

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 on hidden camera.