Jimmy Fallon June 20, 2017 1:55 am ‘Tonight': Will Ferrell Plays ‘Think Fast!' Will Ferrell and Jimmy Fallon take turns asking each other random questions and immediately answering with the first thing that comes to mind. US & World Videos 1:05 Marking construction safety week in Boston 20:19 Karen Read's attorney accuses witness of perjury at murder trial 5:31 Inside the takedown of Mass. catalytic converter theft ring 2:39 Bruins try not to ‘dwell on the past' ahead of Game 7 against Toronto Maple Leafs 20:50 Karen Read trial: How accounts of first responders have differed