Watch Will Arnett Start a Beef Between T.I. and Jimmy Fallon

Douglas Gorenstein/NBC
T.I. performs with Young Thug and The Roots on The Tonight Show with Jimmy Fallon, August 7, 2014.

To borrow the language of Will Arnett's most famous character, Jimmy Fallon made a huge mistake Thursday night on The Tonight Show.

Let's back up: Earlier in the evening, Arnett gave Fallon a bottle of wine to congratulate him on the new gig. But later in the hour, Fallon turned around and gave it to his next guest, T.I. And he would have gotten away with the gesture, too, if it weren't for that meddling Arnett, who then reappeared to call Fallon out...and maybe start a beef between T.I. and the late night host.

Was Arnett successful in stirring the pot? Check out the clip below: