Jimmy Fallon January 23, 2018 4:24 am ‘Tonight': Water War With Jason Momoa Jimmy Fallon and Jason Momoa face off in a twist on the card game War, where the loser of each hand faces wet consequences. US & World Videos 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 2:43 ‘On the Dot' to redevelop stretch of Dorchester Avenue 1:49 Finalists in math competition hope their model helps ease housing crisis