The season finale of Haven is upon us! Take a look at this thrilling sneak peek clip of Eric Balfour as Duke Crocker. He’s still not intimidated as the season comes to a close, and is staring down a potential battle with an unwanted visitor on his boat. It may end in trouble for Duke, but you’ll have to watch to find out! Be sure to tune in this Friday at 10/9c only on Syfy.