Watch on HDtoday. Double Decade marks Mack Dawg Productions’ 20th anniversary of filmaking. It is with great pride that we present this epic snowboarding film. Double Decade is a look into the past, and a look into the future of freestyle snowboarding. This movie is so ill it can only be rated S for Sick. Mack Dawg Productions, 20 years deep and still loving it. Damn, times flies when you’re having fun.