Jason Momoa & Jimmy Fallon Have 'Water War' on 'Tonight Show' - Watch Here!

Jimmy Fallon fills Jason Momoa‘s hat with water during an intense game of “Water War” in last night’s (January 22) episode of The Tonight Show Starring Jimmy Fallon!

The 38-year-old Justice League star went face to face with Jimmy as they played the classic card game “War” with a water fight twist.

PHOTOS: Check out the latest pics of Jason Momoa

Jason also sits down on the couch to discuss how his convincing turn as Khal Drogo in Game of Thrones made some people think he couldn’t speak English and discusses Season 2 of his Netflix series, Frontier.

Click inside to watch the rest of Jason Momoa’s appearance on The Tonight Show…