The year 1936 was a banner one for cautionary cinema about marijuana and the evils sure to visit you if you dare to take a puff. Two films, Marihuana and the future cult classic Reefer Madness, were released that year, and a third, Assassin of Youth, was in production. Like television, rock and roll and marriage equality in years following, marijuana’s presence in polite society was almost certainly expected to bring about its downfall. One need only pick through the ruins of modern-day Colorado and Washington, where cannabis was recently legalized, to see how prescient these alarm-pullers were. Here are three examples of how the movies sensationalized the weedy menace.