Kevin Delaney Makes a Cloud

Jimmy and Lucy Liu perform science experiments with Kevin Delaney, including making a giant cloud in Studio 6B. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35, 10:35c Get more Jimmy Fallon: Follow Jimmy: Like Jimmy: Get more The Tonight Show Starring Jimmy Fallon: Follow The Tonight Show: Like The Tonight Show: htt