You Have Been Warned Season 7 is a fast-paced countdown of the world's top 20 YouTube videos featuring homemade science stunts and experiments. Each episode focuses on a particular science theme and features the cleverest, funniest, most daring, or just downright bizarre clips, along with an explanation and breakdown from some of the world's best science experts. With the help of amazing storytelling graphics, the expert panel will explain the what, how and why of the science that made these clips possible.