Dumb and Dumber To - Official Trailer Premiere,Comedy,,The Tonight Show Starring Jimmy Fallon premieres the exclusive trailer for "Dumb and Dumber To" starring Jim Carrey and Jeff Daniels. Get more Dumb: Dumb and Dumber Facebook Page - http://unvrs.al/DDTFB Dumblr.com - http://unvrs.al/Dumblr