Whose Phone Is Ringing Mine Mine. Impractical Jokers is an American hidden camera-practical joke reality television series that premiered on TruTV on December 15, 2011. It follows the four members of the comedy troupe The Tenderloins as they coerce one another into doing public pranks while being filmed by hidden cameras. The pranks vary in different levels of uncomfortable situations with strangers. After the challenge, the Joker(s) will get punished.