WarnerMedia's truTV announced the ninth season for its flagship original series and cable's #1 original comedy "Impractical Jokers." It guarantees more hidden-camera hijinks from James "Murr" Murray, Brian "Q" Quinn, Joe Gatto, and Sal Vulcano on the network through 2020. The announcement was made by the four stars " who also happen to be lifelong friends " in front of thousands of their fans at the fourth annual "Im…