Jon Hamm stopped by Late Night With Jimmy Fallon to promote Mad Men, but the interview was definitely the least exciting part of the night. The real fun began when Jimmy challenged Jon to a game of war — but with a twist. At the end of each round, the winner got to douse the loser with a glass of water. The clip is very, very cute, thanks to Jimmy's incessant giggling and Jon's good sportsmanship.
See the clip when you
Photo courtesy of NBC